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Lennart Ljung: DIVA Publications

The following list of publications has been generated automatically from the DiVA database.


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Journal papers

2024
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2023
Yue Ju, Biqiang Mu, Lennart Ljung, Tianshi Chen, "Asymptotic Theory for Regularized System Identification Part I: Empirical Bayes Hyperparameter Estimator", IEEE Transactions on Automatic Control, 68(12): 7224-7239, 2023.
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G. Pillonetto, Lennart Ljung, "Full Bayesian identification of linear dynamic systems using stable kernels", Proceedings of the National Academy of Sciences of the United States of America, 120(18), 2023.
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Farnaz Adib Yaghmaie, Fredrik Gustafsson, Lennart Ljung, "Linear Quadratic Control Using Model-Free Reinforcement Learning", IEEE Transactions on Automatic Control, 68(2): 737-752, 2023.
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2021
Zuogong Yue, Johan Thunberg, Lennart Ljung, Ye Yuan, Jorge Goncalves, "System Aliasing in Dynamic Network Reconstruction:Issues on Low Sampling Frequencies", IEEE Transactions on Automatic Control, 66(12): 5788-5801, 2021.
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Lennart Ljung, "Revisiting Total Model Errors and Model Validation", Journal of Systems Science and Complexity, 34(5): 1598-1603, 2021.
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Zuogong Yue, Johan Thunberg, Wei Pan, Lennart Ljung, Jorge Goncalves, "Dynamic network reconstruction from heterogeneous datasets ?", Automatica, 123, 2021.
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2020
Chengpu Yu, Lennart Ljung, Adrian Wills, Michel Verhaegen, "Constrained Subspace Method for the Identification of Structured State-Space Models (COSMOS)", IEEE Transactions on Automatic Control, 65(10): 4201-4214, 2020.
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Qinghua Zhang, Lennart Ljung, Rik Pintelon, "On Local LTI Model Coherence for LPV Interpolation", IEEE Transactions on Automatic Control, 65(8): 3671-3676, 2020.
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Lennart Ljung, Tianshi Chen, Biqiang Mu, "A shift in paradigm for system identification", International Journal of Control, 93(2): 173-180, 2020.
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2019
Johan Schoukens, Lennart Ljung, "Nonlinear System Identification: A User-oriented road map", IEEE CONTROL SYSTEMS MAGAZINE, 39(6): 28-99, 2019.
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Johan Schoukens, Lennart Ljung, "Nonlinear System Identification A USER-ORIENTED ROAD MAP", IEEE CONTROL SYSTEMS MAGAZINE, 39(6): 28-99, 2019.
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Lennart Ljung, "On Convexification of System Identification Criteria", Automation and remote control, 80(9): 1591-1606, 2019.
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Valentin Pascu, Hugues Garnier, Lennart Ljung, Alexandre Janot, "Benchmark problems for continuous-time model identification: Design aspects, results and perspectives", Automatica, 107: 511-517, 2019.
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Emina Alickovic, Thomas Lunner, Fredrik Gustafsson, Lennart Ljung, "A Tutorial on Auditory Attention Identification Methods", Frontiers in Neuroscience, 13, 2019.
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2018
Wei Pan, Ye Yuan, Lennart Ljung, Jorge Goncalves, Guy-Bart Stan, "Identification of Nonlinear State-Space Systems from Heterogeneous Datasets", IEEE Transactions on Control of Network Systems, 5(2): 737-747, 2018.
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Biqiang Mu, Tianshi Chen, Lennart Ljung, "On asymptotic properties of hyperparameter estimators for kernel-based regularization methods", Automatica, 94: 381-395, 2018.
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Chengpu Yu, Lennart Ljung, Michel Verhaegen, "Identification of structured state-space models", Automatica, 90: 54-61, 2018.
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2017
Aleksandr Aravkin, James V. Burke, Lennart Ljung, Aurelie Lozano, Gianluigi Pillonetto, "Generalized Kalman smoothing: Modeling and algorithms", Automatica, 86: 63-86, 2017.
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Qinghua Zhang, Lennart Ljung, "From structurally independent local LTI models to LPV model*", Automatica, 84: 232-235, 2017.
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Francesca Paola Carli, Tianshi Chen, Lennart Ljung, "Maximum Entropy Kernels for System Identification", IEEE Transactions on Automatic Control, 62(3): 1471-1477, 2017.
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2016
Gianluigi Pillonetto, Tianshi Chen, Alessandro Chiuso, Giuseppe De Nicolao, Lennart Ljung, "Regularized linear system identification using atomic, nuclear and kernel-based norms: The role of the stability constraint", Automatica, 69: 137-149, 2016.
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Tianshi Chen, Tohid Ardeshiri, Francesca P. Carli, Alessandro Chiuso, Lennart Ljung, Gianluigi Pillonetto, "Maximum entropy properties of discrete-time first-order stable spline kernel", Automatica, 66: 34-38, 2016.
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2015
Alf Isaksson, Johan Sjöberg, David Tornqvist, Lennart Ljung, Manon Kok, "Using horizon estimation and nonlinear optimization for grey-box identification", Journal of Process Control, 30: 69-79, 2015.
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2014
Tianshi Chen, Martin S. Andersen, Lennart Ljung, Alessandro Chiuso, Gianluigi Pillonetto, "System Identification Via Sparse Multiple Kernel-Based Regularization Using Sequential Convex Optimization Techniques", IEEE Transactions on Automatic Control, 59(11): 2933-2945, 2014.
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Henrik Ohlsson, Tianshi Chen, Sina Khoshfetratpakazad, Lennart Ljung, S. Shankar Sastry, "Scalable anomaly detection in large homogeneous populations", Automatica, 50(5): 1459-1465, 2014.
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Gianluigi Pillonetto, Francesco Dinuzzo, Tianshi Chen, Giuseppe De Nicolao, Lennart Ljung, "Kernel methods in system identification, machine learning and function estimation: A survey", Automatica, 50(3): 657-682, 2014.
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2013
Lennart Ljung, "Some Classical and Some New Ideas for Identification of Linear Systems", Journal of Control, Automation and Electrical Systems, 24(1-2): 3-10, 2013.
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Henrik Ohlsson, Lennart Ljung, "Identification of Switched Linear Regression Models using Sum-of-Norms Regularization", Automatica, 49(4): 1045-1050, 2013.
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Adrian Wills, Thomas Schön, Lennart Ljung, Brett Ninness, "Identification of Hammerstein-Wiener Models", Automatica, 49(1): 70-81, 2013.
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2012
Tianshi Chen, Henrik Ohlsson, Lennart Ljung, "On the Estimation of Transfer Functions, Regularizations and Gaussian Processes - Revisited", Automatica, 48(8): 1525-1535, 2012.
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Henrik Ohlsson, Fredrik Gustafsson, Lennart Ljung, Stephen Boyd, "Smoothed State Estimates under Abrupt Changes using Sum-of-Norms Regularization", Automatica, 48(4): 595-605, 2012.
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2011
Lennart Ljung, Hakan Hjalmarsson, Henrik Ohlsson, "Four Encounters with System Identification", European Journal of Control, 17(5-6): 449-471, 2011.
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Christian Lyzell, Torkel Glad, Martin Enqvist, Lennart Ljung, "Difference Algebra and System Identification", Automatica, 47(9): 1896-1904, 2011.
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Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A General Convergence Result for Particle Filtering", IEEE Transactions on Signal Processing, 59(7): 3424-3429, 2011.
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Tianshi Chen, Thomas Schön, Henrik Ohlsson, Lennart Ljung, "Decentralized Particle Filter with Arbitrary State Decomposition", IEEE Transactions on Signal Processing, 59(2): 465-478, 2011.
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2010
Henrik Ohlsson, Lennart Ljung, Stephen Boyd, "Segmentation of ARX-Models using Sum-of-Norms Regularization", Automatica, 46(6): 1107-1111, 2010.
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Lennart Ljung, "Perspectives on System Identification", Annual Reviews in Control, 34(1): 1-12, 2010.
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Lennart Ljung, Adrian Wills, "Issues in Sampling and Estimating Continuous-Time Models with Stochastic Disturbances", Automatica, 46(5): 925-931, 2010.
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2009
Jiandong Wang, Qinghua Zhang, Lennart Ljung, "Revisiting Hammerstein System Identification through the Two-Stage Algorithm for Bilinear Parameter Estimation", Automatica, 45(11): 2627-2633, 2009.
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Svante Björklund, Lennart Ljung, "An Improved Phase Method for Time-Delay Estimation", Automatica, 45(10): 2467-2470, 2009.
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Jonas Gillberg, Lennart Ljung, "Frequency-Domain Identification of Continuous-Time ARMA Models from Sampled Data", Automatica, 45(6): 1371-1378, 2009.
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2008
Ingela Lind, Lennart Ljung, "Regressor and Structure Selection in NARX Models using a Structured ANOVA Approach", Automatica, 44(2): 383-395, 2008.
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Anna Hagenblad, Lennart Ljung, Adrian Wills, "Maximum Likelihood Identification of Wiener Models", Automatica, 44(11): 2697-2705, 2008.
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Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A Basic Convergence Result for Particle Filtering", IEEE Transactions on Signal Processing, 56(4): 1337-1348, 2008.
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2007
Markus Gerdin, Thomas Schön, Torkel Glad, Fredrik Gustafsson, Lennart Ljung, "On Parameter and State Estimation for Linear Differential-Algebraic Equations", Automatica, 43(3): 416-425, 2007.
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2006
Atsushi Fujimori, Lennart Ljung, "Parameter Estimation of Polytopic Models for a Linear Parameter Varying Aircraft System", Transactions of the Japan Society for Aeronautical and Space Sciences, 49(165): 129-136, 2006.
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Atsushi Fujimore, Lennart Ljung, "Model Identification of Linear Parameter Varying Aircraft Systems", Proceedings of the Institution of Mechanical Engineers. Part G, Journal of Aerospace Engineering, 220(4): 337-346, 2006.
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2005
Lennart Ljung, A. Vicino, "Guest editorial: Special issue on system identification", IEEE Transactions on Automatic Control, 50(10), 2005.
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S. Joe Qin, Weilu Lin, Lennart Ljung, "A Novel Subspace Identification Approach with Enforced Causal Models", Automatica, 41(12): 2043-2053, 2005.
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Martin Enqvist, Lennart Ljung, "Linear Approximations of Nonlinear FIR Systems for Separable Input Processes", Automatica, 41(3): 459-473, 2005.
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Ingela Lind, Lennart Ljung, "Regressor Selection with the Analysis of Variance Method", Automatica, 41(4): 693-700, 2005.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "Nonlinear System Identification Via Direct Weight Optimization", Automatica, 41(3): 475-490, 2005.
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2004
Torkel Glad, Anders Helmersson, Lennart Ljung, "Robustness Guarantees for Linear Control Designs with an Estimated Nonlinear Model Error Model", International Journal of Robust and Nonlinear Control, 14(11): 959-970, 2004.
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Jacob Roll, Alberto Bemporad, Lennart Ljung, "Identification of Piecewise Affine Systems via Mixed-Integer Programming", Automatica, 40(1): 37-50, 2004.
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Liang-Liang Xie, Lennart Ljung, "Variance Expressions for Spectra Estimated Using Auto-Regressions", Journal of Econometrics, 118(1-2): 247-256, 2004.
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2003
Fredrik Tjernström, Lennart Ljung, "Variance Properties of a Two-Step ARX Estimation Procedure", European Journal of Control, 9(4): 422-430, 2003.
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Lennart Ljung, Wolfgang Reinelt, "Robust Control of Identified Models with Mixed Parametric and Non-Parametric Uncertainties", European Journal of Control, 9(4): 373-380, 2003.
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2002
Lennart Ljung, "Prediction Error Estimation Methods", Circuits, systems, and signal processing, 21(1): 11-21, 2002.
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Lennart Ljung, "Recursive Identification Algorithms", Circuits, systems, and signal processing, 21(1): 57-68, 2002.
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Fredrik Tjernström, Lennart Ljung, "Using the Bootstrap to Estimate the Variance in the Case of Undermodeling", IEEE Transactions on Automatic Control, 47(2): 395-398, 2002.
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Wolfgang Reinelt, Andrea Garulli, Lennart Ljung, "Comparing Different Approaches to Model Error Modeling in Robust Identification", Automatica, 38(5): 787-803, 2002.
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Dietmar Bauer, Lennart Ljung, "Some Facts about the Choice of the Weighting Matrices in Larimore Type of Subspace Algorithms", Automatica, 38(5): 763-773, 2002.
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Alexander V. Nazin, Lennart Ljung, "Asymptotically Optimal Smoothing of Averaged LMS Estimates for Regression Parameter Tracking", Automatica, 38(8): 1287-1293, 2002.
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Fredrik Tjernström, Lennart Ljung, "L2 Model Reduction and Variance Reduction", Automatica, 38(9): 1517-1530, 2002.
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Vincent Verdult, Lennart Ljung, Michel Verhaegen, "Identification of Composite Local Linear State-Space Models using a Projected Gradient Search", International Journal of Control, 75(16): 1385-1398, 2002.
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2001
Lennart Ljung, "Recursive Least Squares and Accelerated Convergence in Stochastic Approximation Schemes", International journal of adaptive control and signal processing (Print), 15(2): 169-178, 2001.
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Lennart Ljung, "Estimating Linear Time-Invariant Models of Nonlinear Time-Varying Systems", European Journal of Control, 7(2-3): 203-219, 2001.
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Michel Gevers, Lennart Ljung, Paul Van den Hof, "Asymptotic Variance Expressions for Closed-Loop Identification", Automatica, 37(5): 781-786, 2001.
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Liang-Liang Xie, Lennart Ljung, "Asymptotic Variance Expressions for Estimated Frequency Functions", IEEE Transactions on Automatic Control, 46(12): 1887-1899, 2001.
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2000
Lennart Ljung, Urban Forssell, "Identification of Unstable Systems using Output Error and Box-Jenkins Model Structures", IEEE Transactions on Automatic Control, 45(1): 131-147, 2000.
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Lennart Ljung, Urban Forssell, "A Projection Method for Closed-Loop Identification", IEEE Transactions on Automatic Control, 45(11): 2101-2106, 2000.
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Lennart Ljung, O.M. Boaghe, S.A. Billings, "Letters to the editor on the paper 'dynamic wavelet and equivalent models' by O.M. Boaghe and S.A. Billings", European Journal of Control, 6(3): 295-296, 2000.
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Peter Lindskog, Lennart Ljung, "Ensuring Monotonic Gain Characteristics in Estimated Models by Fuzzy Model Structures", Automatica, 36(2): 311-317, 2000.
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Urban Forssell, Lennart Ljung, "Some Results on Optimal Experiment Design", Automatica, 36(5): 749-756, 2000.
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Tomas McKelvey, Anders Stenman, Fredrik Gustafsson, Daniel E. Rivera, Lennart Ljung, "On Adaptive Smoothing of Empirical Transfer Function Estimates", Control Engineering Practice, 8(11): 1309-1315, 2000.
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1999
Niclas Bergman, Lennart Ljung, Fredrik Gustafsson, "Terrain Navigation using Bayesian Statistics", IEEE Control Systems, 19(3): 33-40, 1999.
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Lennart Ljung, Urban Forssell, "Closed-Loop Identification Revisited", Automatica, 35(7): 1215-1241, 1999.
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Urban Forssell, Lennart Ljung, "An Alternative Motivation for the Indirect Approach to Closed-Loop Identification", IEEE Transactions on Automatic Control, 44(11): 2206-2209, 1999.
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1998
Martin Holmberg, Fredrik Gustafsson, Gunnar Hörnsten, Fredrik Winquist, Lennart E. Nilsson, Lennart Ljung, Ingemar Lundström, "Bacteria classification based on feature extraction from sensor data", Biotechnology Techniques, 12(4): 319-324, 1998.
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1997
Lennart Ljung, Lei Guo, "Classical Model Validation for Control Design Purposes", Mathematical and Computer Modelling of Dynamical Systems, 3(1): 27-42, 1997.
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Fredrik Gustafsson, Svante Gunnarsson, Lennart Ljung, "Shaping Frequency-Dependent Time Resolution when Estimating Spectral Properties with Parametric Methods", IEEE Transactions on Signal Processing, 45(4): 1025-1035, 1997.
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Lei Guo, Lennart Ljung, Guan-Jun Wang, "Necessary and Sufficient Conditions for Stability of LMS", IEEE Transactions on Automatic Control, 42(6): 761-770, 1997.
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Lennart Ljung, Lei Guo, "The Role of Model Validation for Assessing the Size of the Unmodeled Dynamics", IEEE Transactions on Automatic Control, 42(9): 1230-1239, 1997.
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1996
Lennart Ljung, Tomas McKelvey, "Subspace Identification from Closed Loop Data", Signal Processing, 52(2): 209-215, 1996.
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Lennart Ljung, Hüseyin Akçay, Tomas McKelvey, "Subspace-based Identification of Infinite-dimensional Multivariable Systems from Frequency-response Data", Automatica, 32(6): 885-902, 1996.
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Tomas McKelvey, Hüseyin Akçay, Lennart Ljung, "Subspace-Based Multivariable System Identification from Frequency Response Data", IEEE Transactions on Automatic Control, 41(7): 960-979, 1996.
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Lennart Ljung, Thomas Abrahamsson, Tomas McKelvey, "Vibration Data Analysis for a Commercial Aircraft", Automatica, 32(12): 1689-1700, 1996.
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Steve S. Niu, Lennart Ljung, Åke Björk, "Decomposition Methods for Solving Least-Squares Parameter Estimation", IEEE Transactions on Signal Processing, 44(11): 2847-2852, 1996.
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1995
Lei Guo, Lennart Ljung, "Performance Analysis of General Tracking Algorithms", IEEE Transactions on Automatic Control, 40(8): 1388-1402, 1995.
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Lei Guo, Lennart Ljung, "Exponential Stability of General Tracking Algorithms", IEEE Transactions on Automatic Control, 40(8): 1376-1387, 1995.
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Jonas Sjöberg, Qinghua Zhang, Lennart Ljung, Albert Benveniste, Bernard Deylon, Pierre-Yves Glorennec, Håkan Hjalmarsson, Anatoli Juditsky, "Nonlinear Black-box Modeling in System Identification: a Unified Overview", Automatica, 31(12): 1691-1724, 1995.
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Jonas Sjöberg, Lennart Ljung, "Overtraining, Regularization and Searching for Minimum with Application to Neural Nets", International Journal of Control, 62(6): 1391-1407, 1995.
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Peter Lindskog, Lennart Ljung, "Tools for Semiphysical Modelling", International journal of adaptive control and signal processing (Print), 9(6): 509-523, 1995.
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Anatoli Juditsky, Håkan Hjalmarsson, Albert Benveniste, Bernard Deylon, Lennart Ljung, Jonas Sjöberg, Qinghua Zhang, "Nonlinear Black-Box Models in System Identification: Mathematical Foundations", Automatica, 31(12): 1725--1750, 1995.
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1994
Lennart Ljung, Torkel Glad, "On Global Identifiability for Arbitrary Model Parametrizations", Automatica, 30(2): 265-276, 1994.
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Lennart Ljung, "System Identification in a MIC Perspective", Modeling, Identification and Control, 15(3): 153-159, 1994.
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1993
Bo Wahlberg, Lennart Ljung, Torsten Söderström, "On Sampling of Continuous Time Stochastic Processes", Control, Theory and Advanced Technology, 9(1): 99-112, 1993.
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Lei Guo, Lennart Ljung, Pierre Priouret, "Performance Analysis of the Forgetting Factor RLS Algorithms", International journal of adaptive control and signal processing (Print), 7(6): 525-237, 1993.
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1992
Lennart Ljung, "O Tochnosti Modeli V Identifikatsi Sistem", Tekhicheskaya Kibernetika, 6: 55-64, 1992.
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Lennart Ljung, "A Discussion of Model Accuracy in System Identification", International journal of adaptive control and signal processing (Print), 6(3): 161-171, 1992.
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Lennart Ljung, Bo Wahlberg, "Asymptotic Properties of the Least-Squares Method for Estimating Transfer Functions and Disturbance Spectra", Advances in Applied Probability, 24(2): 412-440, 1992.
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Lennart Ljung, Bo Wahlberg, "Hard Frequency-Domain Model Error Bounds from Least-Squares like Identification Techniques", IEEE Transactions on Automatic Control, 37(7): 900-912, 1992.
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Anders Skeppstedt, Lennart Ljung, Mille Millnert, "Construction of Composite Models from Observed Data", International Journal of Control, 55(1): 141-152, 1992.
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Håkan Hjalmarsson, Lennart Ljung, "Estimating Model Variance in the Case of Undermodeling", IEEE Transactions on Automatic Control, 37(7): 1004-1008, 1992.
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1991
Lennart Ljung, Pierre Priouret, "A Result of the Mean Square Error Obtained using General Tracking Algorithms", International journal of adaptive control and signal processing (Print), 5(4): 231-348, 1991.
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Lennart Ljung, Pierre Priouret, "Remarks on the Mean Square Tracking Error", International journal of adaptive control and signal processing (Print), 5(6): 395-403, 1991.
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Lennart Ljung, "Issues in System Identification", IEEE Control Systems, 11(1): 25-29, 1991.
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Krister Forsman, Lennart Ljung, Mille Millnert, Anders Skeppstedt, "Merging 'Reasoning' and Filtering in a Bayesian Framework - Some Sensitivity and Optimality Aspects", International journal of adaptive control and signal processing (Print), 5(2): 93-106, 1991.
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1990
Lennart Ljung, Svante Gunnarsson, "Adaptation and Tracking in System Identification: A Survey", Automatica, 26(1): 7-21, 1990.
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1989
Ke Wang, Lennart Ljung, "A Discussion of Adaptive Stabilization and Robust Adaptive Control", Systems & control letters (Print), 12(1): 53-56, 1989.
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Svante Gunnarsson, Lennart Ljung, "Frequency Domain Tracking Characteristics of Adaptive Algorithms", IEEE Transactions on Acoustics, Speech and Signal Processing, 37(7): 1072-1089, 1989.
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1988
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1987
Farhat Fnaiech, Lennart Ljung, "Recursive Identification of Bilinear Systems", International Journal of Control, 45(2): 453-470, 1987.
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1986
Lennart Ljung, "Error Propagation in Adaptation Algorithms with Poorly Exciting Signals", Annales des télécommunications, 41(5-6): 322-327, 1986.
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Bo Wahlberg, Lennart Ljung, "Design Variables for Bias Distribution in Transfer Function Estimation", IEEE Transactions on Automatic Control, 31(2): 134-144, 1986.
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Michel Gevers, Lennart Ljung, "Optimal Experimental Designs with Respect to the Intended Model Application", Automatica, 22(5): 543-554, 1986.
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1985
Lennart Ljung, Zhen-Dong Yuan, "Asymptotic Properties of Black-Box Identification of Transfer Functions", IEEE Transactions on Automatic Control, 30(6): 514-530, 1985.
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Stefan Ljung, Lennart Ljung, "Error Propagation Properties of Recursive Least Squares Adaptation Algorithms", Automatica, 21(2): 157-167, 1985.
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Göte Solbrand, Anders Ahlén, Lennart Ljung, "Recursive Methods for Off-Line Identification", International Journal of Control, 41(1): 177-191, 1985.
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Zhen-Dong Yuan, Lennart Ljung, "Uprejudiced Optimal Open Loop Input Design for Identification of Transfer Functions", Automatica, 21(6): 697-708, 1985.
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Lennart Ljung, "On the Estimation of Transfer Functions", Automatica, 21(6): 677-696, 1985.
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Thomas Kailath, Lennart Ljung, "Explicit Strict Sense State-Space Realizations of Nonstationary Processes", International Journal of Control, 42(5): 971-988, 1985.
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Lennart Ljung, "Asymptotic Variance Expressions for Identified Black-Box Transfer Function Models", IEEE Transactions on Automatic Control, 30(9): 834-844, 1985.
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Eva Trulsson, Lennart Ljung, "Adaptive Control based on Explicit Criterion Minimization", Automatica, 21(4): 385-399, 1985.
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1984
Lennart Ljung, "Advanced Process Control (in Swedish)", Svensk Papperstidning, 27(12): 14-17, 1984.
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Lennart Ljung, "Analysis of Stochastic Gradient Algorithms for Linear Regression Problems", IEEE Transactions on Information Theory, 30(2): 151-160, 1984.
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1983
Thomas Kailath, Lennart Ljung, Martin Morf, "Recursive Input-Output and State Space Solutions for Continuous-Time Linear Estimation Problems", IEEE Transactions on Automatic Control, 28(9): 897-906, 1983.
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1982
Thomas Kailath, Lennart Ljung, "Two Filter Smooting Formulae by Diagonalization of the Hamiltonian Equations", International Journal of Control, 36(4): 663-673, 1982.
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A J M van Overbeek, Lennart Ljung, "On-Line Structure Selection for Multivariable State-Space Models", Automatica, 18(5): 529-543, 1982.
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Lennart Ljung, "Aspects on the System Identification Problem", Signal Processing, 4(5-6): 445-456, 1982.
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Stefan Ljung, Lennart Ljung, "Fast Numerical Solution of Fredholm Integral Equations with Stationary Kernels", BIT Numerical Mathematics, 22(1): 54-72, 1982.
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1981
Lennart Ljung, "Analysis of a general Recursive Prediction Error Identification Algorithm", Automatica, 17(1): 89-99, 1981.
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Lennart Ljung, Keith Glover, "Frequency Domain versus Time Domain Methods in System Identification", Automatica, 17(1): 71-86, 1981.
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1980
Lennart Ljung, Peter E. Caines, "Asymptotic Normality of Prediction Error Estimators for Approximate System Models", Stochastics, 3(1-4): 29-46, 1980.
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1979
Thomas Kailath, Bernard Levy, Lennart Ljung, Martin Morf, "The Factorization and Representation of Operators in the Algebra Generated by Toeplitz Operators", SIAM Journal on Applied Mathematics, 37(3): 467-484, 1979.
AbstractKeywordsBiBTeXDOI
Benjaming Friedlander, Martin Morf, Thomas Kailath, Lennart Ljung, "New Inversion Formulas for Matrices Classified in Terms of their Distance from Toeplitz Matrices", Linear Algebra and its Applications, 27: 31-60, 1979.
AbstractKeywordsBiBTeXDOI
Bernard Levy, Thomas Kailath, Lennart Ljung, Martin Morf, "Fast Time-Invariant Implementations for Linear Least Squares Smoothing Filters", IEEE Transactions on Automatic Control, 24(5): 770-775, 1979.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Asymptotic Behaviour of the Extended Kalaman Filter as a Parameter Estimator for Linear Systems", IEEE Transactions on Automatic Control, 24(1): 36-50, 1979.
AbstractKeywordsBiBTeXDOI
1978
Lennart Ljung, "Convergence Analysis of Parametric Identification Methods", IEEE Transactions on Automatic Control, 23(5): 770-783, 1978.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, David Falconer, "Application of Fast Kalman Estimation to Adaptive Equalization", IEEE Transactions on Communications, 26(10): 1439-1446, 1978.
AbstractKeywordsBiBTeXDOI
B Friedlander, Thomas Kailath, Martin Morf, Lennart Ljung, "Extended Levinson and Chandrasekhar Equations for General Discrete-Time Linear Estimation Problems", IEEE Transactions on Automatic Control, 23(4): 653-659, 1978.
AbstractKeywordsBiBTeXDOI
Thomas Kailath, Bernard C. Levy, Lennart Ljung, Martin Morf, "Fast Time-Invariant Implementations of Gaussian Signal Detectors", IEEE Transactions on Information Theory, 24(4): 469-477, 1978.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Strong Convergence of a Stochastic Approximation Algorithm", Annals of Statistics, 6(3): 680-696, 1978.
AbstractKeywordsBiBTeXDOI
Torsten Söderström, Lennart Ljung, Ivar Gustavsson, "A Theoretical Analysis of Recursive Identification", Automatica, 14(3): 231-244, 1978.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Convergence of an Adaptive Filter Algorithm", International Journal of Control, 27(5): 673-693, 1978.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Martin Morf, David Falconer, "Fast Calculation of Gain Matrices for Recursive Estimation Schemes", International Journal of Control, 27(1): 1-19, 1978.
AbstractKeywordsBiBTeXDOI
1977
Karl Johan Åström, U Borisson, Lennart Ljung, Björn Wittenmark, "Theory and Applications of Self Tuning Regulators", Automatica, 13(5): 457-476, 1977.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "On Positive Real Transfer Functions and the Convergence of some Recursive Schemes", IEEE Transactions on Automatic Control, 22(4): 539-551, 1977.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Analysis of Recursive Stochastic Algorithms", IEEE Transactions on Automatic Control, 22(4): 551-575, 1977.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Thomas Kailath, "Efficient Change of Initial Conditions , Dual Chandrasekhar Equations, and some Applications", IEEE Transactions on Automatic Control, 22(3): 443-447, 1977.
AbstractKeywordsBiBTeXDOI
Ivar Gustavsson, Lennart Ljung, Torsten Söderström, "Identification of Processes in Closed Loop-Identifiability and Accuracy Aspects", Automatica, 13(1): 59-75, 1977.
AbstractKeywordsBiBTeXDOI
1976
Torsten Söderström, Lennart Ljung, Ivar Gustavsson, "Identifiability Conditions for Linear Multivariable Systems Operating under Feedback", IEEE Transactions on Automatic Control, 21(6): 837-840, 1976.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Consistency of the Least Squares Identification Method", IEEE Transactions on Automatic Control, 21(5): 779-781, 1976.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Thomas Kailath, "Backwards Markovian Models for Second Order Stochastic Processes", IEEE Transactions on Information Theory, 22(4): 488-491, 1976.
AbstractKeywordsBiBTeXDOI

Books

2024
Torkel Glad, Lennart Ljung, Martin Enqvist, "Reglerteknik: grundläggande teori", Studentlitteratur AB, Lund, 2024.
AbstractKeywordsBiBTeX
2021
Lennart Ljung, Torkel Glad, Anders Hansson, "Modeling and identification of dynamic systems", Studentlitteratur, Lund, 2021.
AbstractKeywordsBiBTeX
2010
Fredrik Gustafsson, Lennart Ljung, Mille Millnert, "Signal processing", Studentlitteratur, Lund, 2010.
AbstractKeywordsBiBTeX
1999
Lennart Ljung, "System identification: theory for the user", Prentice-Hall, Upper Saddle River, NJ, USA, 1999.
KeywordsBiBTeX
1994
Lennart Ljung, Torkel Glad, "Modeling of Dynamic Systems", PTR Prentice Hall, Englewood Cliffs, 1994.
AbstractKeywordsBiBTeX
1992
Lennart Ljung, Georg Pflug, Harro Walk, "Stochastic Approximation and Optimization of Random Systems", Birkhäuser Verlag, Basel ; Boston, No. 17, 1992.
AbstractKeywordsBiBTeX
1987
Lennart Ljung, "System identification: theory for the user", Prentice-Hall, Englewood Cliffs, NJ, USA, 1987.
AbstractKeywordsBiBTeX
1983
Lennart Ljung, Torsten Söderström, "Theory and Practice of Recursive Identification", MIT Press, Cambridge, No. 4, 1983.
AbstractKeywordsBiBTeX
1981
Lennart Ljung, "Reglerteori: moderna analys- och syntesmetoder", Studentlitteratur, Lund, 1981.
KeywordsBiBTeX
Torkel Glad, Lennart Ljung, "Reglerteknik: grundläggande teori", Studentlitteratur, Lund, 1981.
AbstractKeywordsBiBTeX

Book chapters

2010
Adrian Wills, Lennart Ljung, "Wiener System Identification Using the Maximum Likelihood Method", Block-Oriented Nonlinear System Identification, Lecture Notes In Control and Information Sciences, No. 404, 89-110, 2010.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Lennart Ljung, "Weight Determination by Manifold Regularization", Distributed Decision-Making and Control, Lecture Notes in Control and Information Sciences, No. 417, 195-214, 2010.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Lennart Ljung, "Semi-Supervised Regression and System Identification", Three Decades of Progress in Systems and Control, 343-360, 2010.
AbstractKeywordsBiBTeXDOI
2007
Markus Gerdin, Torkel Glad, Lennart Ljung, "Global Identifiability of Complex Models, Constructed from Simple Submodels", Modeling, Estimation and Control, Lecture Notes in Control and Information Sciences, No. 364, 123-133, 2007.
AbstractKeywordsBiBTeXDOI
2006
Lennart Ljung, "Frequency Domain versus Time Domain Methods in System Identification - Revisited", Control of Uncertain Systems, Lecture Notes in Control and Information Science, No. 329, 277-291, 2006.
AbstractKeywordsBiBTeXDOI
2004
Lennart Ljung, "Practical Issues of System Identification", Control Systems, Robotics and Automation, 345-368, 2004.
AbstractKeywordsBiBTeX
2003
Lennart Ljung, "Linear System Identification as Curve Fitting", Directions in Mathematical Systems Theory and Optimization, Lecture Notes in Control and Information Sciences, No. 286, 203-215, 2003.
AbstractKeywordsBiBTeXDOI
1999
Lennart Ljung, "System identification", Wiley encyclopedia of electrical and electronics engineering. Vol. 21, Su-Th, 263-282, 1999.
KeywordsBiBTeXDOI
1998
Lennart Ljung, "System Identification", Signal Analysis and Prediction, 163-174, 1998.
AbstractKeywordsBiBTeX
1995
Lennart Ljung, "Building Models from Frequency Domain Data", Adaptive Control, Filtering and Signal Processing, The IMA Volumes in Mathematics and its Applications, No. 74, 229-240, 1995.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Jonas Sjöberg, Håkan Hjalmarsson, "On Neural Network Model Structures in System Identification", Proceedings from the NATO Advanced Summer Institute "From Identification to Learning", 162-195, 1995.
KeywordsBiBTeX
1993
Lennart Ljung, "General Structure of Adaptive Algorithms: Adaptation and Tracking", Adaptive System Identification and Signal Processing Algorithms, 58-83, 1993.
AbstractKeywordsBiBTeX
Lennart Ljung, "Identification of Linear Systems", CAD for Control Systems, 147-165, 1993.
KeywordsBiBTeX
1987
Lennart Ljung, "Stochastic Adaptive Control Algorithms Convergence Analysis: Ordinary Differential Equation Approach", Systems and Control Encyclopedia, 4602-4603, 1987.
KeywordsBiBTeX
Lennart Ljung, "Recursive Stochastic Algorithms: Ordinary Differential Equation Method", Systems and Control Encyclopedia, 3991-3994, 1987.
KeywordsBiBTeX
Lennart Ljung, "Identification: Time-Domain Methods", Systems and Control Encyclopedia, 2314-2320, 1987.
KeywordsBiBTeX
Lennart Ljung, "Identification: Recursive Methods", Systems and Control Encyclopedia, 2310-2314, 1987.
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Lennart Ljung, "Identification: Maximum Likelihood Method", Systems and Control Encyclopedia, 2284-2287, 1987.
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Lennart Ljung, "Identification: Least Squares Method", Systems and Control Encyclopedia, 2278-2284, 1987.
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Lennart Ljung, "Identification: Basic Problem", Systems and Control Encyclopedia, 2239-2245, 1987.
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Lennart Ljung, "Identification: Asymptotic Theory", Systems and Control Encyclopedia, 2235-2239, 1987.
KeywordsBiBTeX
Lennart Ljung, "Generalized Least Squares Method", Systems and Control Encyclopedia, 2005-, 1987.
KeywordsBiBTeX
Lennart Ljung, "Extended Least Squares Method", Systems and Control Encyclopedia, 1581-, 1987.
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Lennart Ljung, "Extended Kalman Filter", Systems and Control Encyclopedia, 1581-, 1987.
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Lennart Ljung, "Adaptive Controllers: Convergence Analysis", Systems and Control Encyclopedia, 55-60, 1987.
KeywordsBiBTeX
Lennart Ljung, "Adaptive Control: Positive-Real Condition", Systems and Control Encyclopedia, 51-54, 1987.
KeywordsBiBTeX
Lennart Ljung, "Adaptation using Recursive Parameter Estimation", Advances in Statistical Signal Processing, Vol. 1, 287-327, 1987.
KeywordsBiBTeX
Lennart Ljung, "Parametric Methods for Identification of Transfer Functions of Linear Systems", System identification and adaptive control. Part 2 of 3, Control and dynamic systems, No. 26, 87-118, 1987.
KeywordsBiBTeXDOI
1985
Lennart Ljung, "Estimation of Parameters in Dynamical Systems", Handbook of Statistics, Time Series in the Time Domain, 189-211, 1985.
KeywordsBiBTeX
Lennart Ljung, "System Identification", Uncertainty and Control, Lecture Notes in Control and Information Sciences, No. 70, 48-83, 1985.
KeywordsBiBTeXDOI
Lennart Ljung, "Recursive Techniques for Identifying Dynamic Systems", On-line process simulation techniques in industrial control, 1-10, 1985.
KeywordsBiBTeX
1981
Ivar Gustavsson, Lennart Ljung, Torsten Söderström, "Choice and Effect of Different Feedback Configurations", Trends and Progress in System Identification, IFAC Series for Graduates, Research Workers & Practising Engineers, No. 1, 367-388, 1981.
KeywordsBiBTeX
1978
Thomas Kailath, Lennart Ljung, Martin Morf, "Generalized Krein-Levinson Equations for Efficient Calculation of Fredholm Resolvents of Non-Displacement Kernels", Topics in Functional Analysis, Advances in mathematics. Supplementary studies, No. 3, 169-184, 1978.
KeywordsBiBTeX
1977
Lennart Ljung, "Convergence Analysis of Recursive, Stochastic Algorithms", Analyse et contrôle de systèmes, Séminaires IRIA, 127-133, 1977.
KeywordsBiBTeX
1976
Lennart Ljung, "On the Consistency of Prediction Error Identification Methods", System identification, Mathematics in Science and Engineering, No. 126, 121-164, 1976.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "On Consistency and Identifiability", Stochastic Systems, Mathematical Programming Studies, No. 5, 169-190, 1976.
AbstractKeywordsBiBTeXDOI

Conference papers

2022
Yue Ju, Tianshi Chen, Biqiang Mu, Lennart Ljung, "On Convergence in Distribution of Steins Unbiased Risk Hyper-parameter Estimator for Regularized System Identification", 2022 41ST CHINESE CONTROL CONFERENCE (CCC), Chinese Control Conference, 1491-1496, 2022.
AbstractKeywordsBiBTeXDOI
2021
Yue Ju, Tianshi Chen, Biqiang Mu, Lennart Ljung, "On Asymptotic Distribution of Generalized Cross Validation Hyper-parameter Estimator for Regularized System Identification", 2021 60TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 1598-1602, 2021.
AbstractKeywordsBiBTeXDOI
Daniel Gedon, Niklas Wahlstrom, Thomas B. Schon, Lennart Ljung, "Deep State Space Models for Nonlinear System Identification", IFAC PAPERSONLINE, 481-486, 2021.
AbstractKeywordsBiBTeXDOI
Khaled F. Aljanaideh, Debraj Bhattacharjee, Rajiv Singh, Lennart Ljung, "New Features in the System Identification Toolbox - Rapprochements with Machine Learning", IFAC PAPERSONLINE, 369-373, 2021.
AbstractKeywordsBiBTeXDOI
Xian Yu, Tianshi Chen, Biqiang Mu, Lennart Ljung, "Kernel-based Regularized Iterative Learning Control of Repetitive Linear Time-varying Systems", IFAC PAPERSONLINE, 738-743, 2021.
AbstractKeywordsBiBTeXDOI
J. Schoukens, D. Westwick, Lennart Ljung, T. Dobrowiecki, "Nonlinear System Identification with Dominating Output Noise - A Case Study on the Silverbox", IFAC PAPERSONLINE, 679-684, 2021.
AbstractKeywordsBiBTeXDOI
2020
Yue Ju, Tianshi Chen, Biqiang Mu, Lennart Ljung, "On the Influence of Ill-conditioned Regression Matrix on Hyper-parameter Estimators for Kernel-based Regularization Methods", 2020 59TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 300-305, 2020.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Carl Andersson, Koen Tiels, Thomas B. Schon, "Deep Learning and System Identification", IFAC PAPERSONLINE, 1175-1181, 2020.
AbstractKeywordsBiBTeXDOI
2019
Rajiv Singh, Mario Sznaier, Lennart Ljung, "An Atomic Norm Minimization Framework for Identification of Parameter Varying Nonlinear ARX Models", IFAC PAPERSONLINE, IFAC papers online, 2019.
AbstractKeywordsBiBTeXDOI
2018
Biqiang Mu, Tianshi Chen, Lennart Ljung, "Asymptotic Properties of Hyperparameter Estimators by Using Cross-Validations for Regularized System Identification", 2018 IEEE CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 644-649, 2018.
AbstractKeywordsBiBTeXDOI
Rajiv Singh, Mario Sznaier, Lennart Ljung, "A Rank Minimization Formulation for Identification of Linear Parameter Varying Models", IFAC PAPERSONLINE, IFAC papers online, 74-80, 2018.
AbstractKeywordsBiBTeXDOI
Tianshi Chen, Martin S. Andersen, Biqiang Mu, Feng Yin, Lennart Ljung, S. Joe Qin, "Regularized LTI System Identification with Multiple Regularization Matrix", 18th IFAC Symposium on System Identification (SYSID), Proceedings, IFAC papers online, 180-185, 2018.
AbstractKeywordsBiBTeXDOI
Biqiang Mu, Tianshi Chen, Lennart Ljung, "Asymptotic Properties of Generalized Cross Validation Estimators for Regularized System Identification", 18th IFAC Symposium on System Identification (SYSID), Proceedings, IFAC papers online, 203-208, 2018.
AbstractKeywordsBiBTeXDOI
Suat Gumussoy, Ahmet Arda Ozdemir, Tomas McKelvey, Lennart Ljung, Mladen Gibanica, Rajiv Singh, "Improving Linear State-Space Models with Additional NIterations", 18th IFAC Symposium on System Identification (SYSID), Proceedings, IFAC papers online, 341-346, 2018.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Ahmet Arda Ozdemir, Rajiv Singh, "Online Features in the MATLAB (R) System Identification Toolbox (TM)", 18th IFAC Symposium on System Identification (SYSID), Proceedings, IFAC papers online, 700-705, 2018.
AbstractKeywordsBiBTeXDOI
Adrian Wills, Chengpu Yu, Lennart Ljung, Michel Verhaegen, "Affinely Parametrized State-space Models: Ways to Maximize the Likelihood Function", 18th IFAC Symposium on System Identification (SYSID), Proceedings, IFAC papers online, 718-723, 2018.
AbstractKeywordsBiBTeXDOI
2017
Biqiang Mu, Tianshi Chen, Lennart Ljung, "Tuning of Hyperparameters for FIR models - an Asymptotic Theory", IFAC PAPERSONLINE, IFAC Papersonline, 2818-2823, 2017.
AbstractKeywordsBiBTeXDOI
Chengpu Yu, Lennart Ljung, Michel Verhaegen, "Gray Box Identification Using Difference of Convex Programming", IFAC PAPERSONLINE, IFAC PAPERSONLINE, 9462-9467, 2017.
AbstractKeywordsBiBTeXDOI
Zuogong Yue, Johan Thunberg, Wei Pan, Lennart Ljung, Jorge Goncalves, "Linear Dynamic Network Reconstruction from Heterogeneous Datasets", IFAC PAPERSONLINE, IFAC Papers online, 10586-10591, 2017.
AbstractKeywordsBiBTeXDOI
Biqiang Mu, Tianshi Chen, Lennart Ljung, "On the Input Design for Kernel-based Regularized LTI System Identification: Power-constrained Inputs", 2017 IEEE 56TH ANNUAL CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 2017.
AbstractKeywordsBiBTeXDOI
Chengpu Yu, Jie Chen, Lennart Ljung, Michel Verhaegen, "Subspace Identification of Continuous-Time Models Using Generalized Orthonormal Bases", 2017 IEEE 56TH ANNUAL CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 2017.
AbstractKeywordsBiBTeXDOI
Zuogong Yue, Johan Thunberg, Lennart Ljung, Jorge Goncalves, "On Definition and Inference of Nonlinear Boolean Dynamic Networks", 2017 IEEE 56TH ANNUAL CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 2017.
AbstractKeywordsBiBTeXDOI
2016
Tianshi Chen, Gianluigi Pillonetto, Alessandro Chiuso, Lennart Ljung, "Continuous-time DC kernel - a stable generalized first order spline kernel", 2016 IEEE 55TH CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 4647-4652, 2016.
AbstractKeywordsBiBTeXDOI
Valentin Pascu, Hugues Garnier, Lennart Ljung, Alexandre Janot, "Developments towards Formalizing a Benchmark for Continuous-time Model Identification", 2016 IEEE 55TH CONFERENCE ON DECISION AND CONTROL (CDC), IEEE Conference on Decision and Control, 7171-7176, 2016.
AbstractKeywordsBiBTeXDOI
2015
Wei Pan, Ye Yuan, Lennart Ljung, Jorge Goncalves, Guy-Bart Stan, "Identifying Biochemical Reaction Networks From Heterogeneous Datasets", 2015 54TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC), 2525-2530, 2015.
AbstractKeywordsBiBTeXDOI
Tianshi Chen, Gianluigi Pillonetto, Alessandro Chiuso, Lennart Ljung, "Spectral analysis of the DC kernel for regularized system identification", 2015 54TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC), 4017-4022, 2015.
AbstractKeywordsBiBTeXDOI
2013
Sina Khoshfetrat Pakazad, Henrik Ohlsson, Lennart Ljung, "Sparse Control Using Sum-of-norms Regularized Model Predictive Control", 52nd IEEE Conference on Decision and Control (CDC 2013), 10-13 December 2013, Firenze, Italy, 2013.
KeywordsBiBTeXFulltext
Gianluigi Pillonetto, Tianshi Chen, Lennart Ljung, "Kernel-based model order selection for linear system identification", Proc.  11th IFAC International Workshop on Adaptation and Learning in Control and Signal Processing, ALCOSP13, IFAC Proceedings Volumes, 257-262, 2013.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Tianshi Chen, "What can regularization offer for estimation of dynamical systems?", 11th  IFAC International Workshop on Adaptation and Learning in Control and Signal Processing, ALCOSP13, 1-8, 2013.
AbstractKeywordsBiBTeXDOIFulltext
Lennart Ljung, Tianshi Chen, "Convexity Issues in System Identification", 10th IEEE International Conference on Control & Automation, 1-9, 2013.
AbstractKeywordsBiBTeXDOI
2012
Tianshi Chen, Lennart Ljung, Martin Andersen, Alessandro Chiuso, Francesca Carli, Gianluigi Pillonetto, "Sparse multiple kernels for impulse response estimation with majorization minimization algorithms", Decision and Control (CDC), 2012, 1500-1505, 2012.
AbstractKeywordsBiBTeXDOI
Tianshi Chen, Lennart Ljung, Yanlong Zhao, "Impulse Response Estimation with Binary Measurements: A Regularized FIR Model", Proceedings of the 16th IFAC Symposium on System Identification, 113-118, 2012.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Rajiv Singh, "Version 8 of the MatLab System Identification Toolbox", Proceedings of the 16th IFAC Symposium on Sytem Identification, 1826-1831, 2012.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Tianshi Chen, Sina Khoshfetrat Pakazad, Lennart Ljung, Shankar Sastry, "Distributed Change Detection", Proceedings of the 16th IFAC Symposium on System Identification, 77-82, 2012.
AbstractKeywordsBiBTeXDOI
2011
Diego S. Cassasco, Lennart Ljung, Graham C. Goodwin, Juan C. Agüero, "On the Accuracy of Parameter Estimation for Continuous Time Nonlinear Systems from Sampled Data", Proceedings of the 50th IEEE Conference on Decision and Control, 4308-4311, 2011.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Lennart Ljung, "A Convex Approach to Subspace Clustering", Proceedings of the 50th IEEE Conference on Decision and Control, 1467-1472, 2011.
AbstractKeywordsBiBTeXDOI
Tianshi Chen, Henrik Ohlsson, Graham C. Goodwin, Lennart Ljung, "Kernel Selection in Linear System Identification: Part II: A Classical Perspective", Proceedings of the 50th IEEE Conference on Decision and Control, 4326-4331, 2011.
AbstractKeywordsBiBTeXDOI
Tillmann Falck, Henrik Ohlsson, Lennart Ljung, Johan A.K. Suykens, Bart De Moor, "Segmentation of Time Series from Nonlinear Dynamical Systems", Proceedings of the 18th IFAC World Congress, 13209-13214, 2011.
AbstractKeywordsBiBTeXDOI
Adrian Wills, Thomas Schön, Lennart Ljung, Brett Ninness, "Blind Identification of Wiener Models", Proceedings of the 18th IFAC World Congress, 5597-5602, 2011.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Lennart Ljung, "Identification of Piecewise Affine Systems Using Sum-of-Norms Regularization", Proceedings of the 18th IFAC World Congress, 6640-6645, 2011.
AbstractKeywordsBiBTeXDOIFulltext
Fredrik Lindsten, Henrik Ohlsson, Lennart Ljung, "Clustering using Sum-of-Norms Regularization: With Application to Particle Filter Output Computation", Proceedings of the 2011 IEEE Statistical Signal Processing Workshop, 201-204, 2011.
AbstractKeywordsBiBTeXDOI
2010
Lennart Ljung, "Approaches to Identification of Nonlinear Systems", Proceedings of the 29th Chinese Control Conference, 2010.
AbstractKeywordsBiBTeX
Tianshi Chen, Thomas Schön, Henrik Ohlsson, Lennart Ljung, "Decentralization of Particle Filters Using Arbitrary State Decomposition", Proceedings of the 49th IEEE Conference on Decision and Control, 7383-7388, 2010.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Fredrik Gustafsson, Lennart Ljung, Stephen Boyd, "State Smoothing by Sum-of-Norms Regularization", Proceedings of the 49th Conference on Decision and Control, 2880-2885, 2010.
AbstractKeywordsBiBTeXDOI
Tianshi Chen, Henrik Ohlsson, Lennart Ljung, "On the Estimation of Transfer Functions, Regularizations and Gaussian Processes – Revisited", Proceedings of the 18th IFAC World Congress, 2303-2308, 2010.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Fredrik Gustafsson, Lennart Ljung, Stephen Boyd, "Trajectory Generation Using Sum-of-Norms Regularization", Proceedings of the 49th IEEE Conference on Decision and Control, 540-545, 2010.
AbstractKeywordsBiBTeXDOI
2009
Alf Isaksson, David Törnqvist, Johan Sjöberg, Lennart Ljung, "Grey-Box Identification Based on Horizon Estimation and Nonlinear Optimization", Proceedings of the 41st ISCIE International Symposium on Stochastic Systems, 1-6, 2009.
AbstractKeywordsBiBTeX
Lennart Ljung, Henrik Ohlsson, Maite Bauwens, "On Manifolds, Climate Reconstruction and Bivalve Shells", Proceedings of the 48th IEEE Conference on Decision and Control, 5738-5743, 2009.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Lennart Ljung, "Gray-Box Identification for High-Dimensional Manifold Constrained Regression", Proceedings of the 15th IFAC Symposium on System Identification, 1292-1297, 2009.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Qinghua Zhang, Jiandong Wang, "Optimality Analysis of the Two-Stage Algorithm Hammerstein System Identification", Proceedings of the 15th IFAC Symposium on System Identification, 320-325, 2009.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Johan Schoukens, Johan Suykens, "Wiener-Hammerstein Benchmark", Proceedings of the 15th IFAC Symposium on System Identification, 2009.
AbstractKeywordsBiBTeX
Lennart Ljung, Qinghua Zhang, Rajiv Singh, Peter Lindskog, Anatoli Iouditski, "Developments in the Mathworks System Identification Toolbox", Proceedings of the 15th IFAC Symposium on System Identification, 522-527, 2009.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Experiments with Identification of Continuous Time Models", Proceedings of the 15th IFAC Symposium on System Identification, 1175-1180, 2009.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Minimax Confidence Intervals for Pointwise Nonparametric Regression Estimation", Proceedings of the 15th IFAC Symposium on System Identification, 2009.
AbstractKeywordsBiBTeX
Roger Larsson, Zoran Sjanic, Martin Enqvist, Lennart Ljung, "Direct Prediction-Error Identification of Unstable Nonlinear Systems Applied to Flight Test Data", Proceedings of the 15th IFAC Symposium on System Identification, IFAC-PapersOnLine, Vol. 42(10), 144-149, 2009.
AbstractKeywordsBiBTeXDOI
Christian Lyzell, Martin Enqvist, Lennart Ljung, "Handling Certain Structure Information in Subspace Identification", Proceedings of the 15th IFAC Symposium on System Identification, IFAC-PapersOnLine, Vol. 42(10), 90-95, 2009.
AbstractKeywordsBiBTeXDOI
Christian Lyzell, Torkel Glad, Martin Enqvist, Lennart Ljung, "Identification Aspects of Ritt's Algorithm for Discrete-Time Systems", Proceedings of the 15th IFAC Symposium on System Identification, IFAC-PapersOnLine, Vol. 42(10), 681-686, 2009.
AbstractKeywordsBiBTeXDOI
2008
Christian Lyzell, Jacob Roll, Lennart Ljung, "The Use of Nonnegative Garrote for Order Selection of ARX Models", Proceedings of the 47th IEEE Conferance on Decision and Control, 1974-1979, 2008.
AbstractKeywordsBiBTeXDOIFulltext
Inger Klein, Lennart Ljung, Svante Gunnarsson, Lars Nielsen, "Framstående utbildningsmiljö - Hur blir man det?", Nätverket Ingenjörsutbildningarnas Utvecklingskonferens 2008, 2008.
AbstractKeywordsBiBTeX
Lennart Ljung, Anna Hagenblad, Adrian Wills, "Maximum Likelihood Identification of Wiener Models", Proceedings of the 17th IFAC World Congress, 2714-2719, 2008.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, "Perspectives on System Identification", Proceedings of the 17th IFAC World Congress, 7172-7184, 2008.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Jacob Roll, Anders Brun, Hans Knutsson, Mats Andersson, Lennart Ljung, "Direct Weight Optimization Applied to Discontinuous Functions", 47th IEEE Conference on Decision and Control, 2008. CDC 2008, IEEE Conference on Decision and Control. Proceedings, 117-122, 2008.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Adrian Wills, "Issues in Sampling and Estimating Continuous-Time Models with Stochastic Disturbances", Proceedings of the 17th IFAC World Congress, 14360-14365, 2008.
AbstractKeywordsBiBTeXDOI
Xiao-Li Hu, Lennart Ljung, "New Convergence Results for Least Squares Identification Algorithm", Proceedings of the 17th IFAC World Congress, 5030-5035, 2008.
AbstractKeywordsBiBTeXDOI
Henrik Ohlsson, Jacob Roll, Lennart Ljung, "Manifold-Constrained Regressors in System Identification", Proceedings of the 47th IEEE Conference on Decision and Control, 1364-1369, 2008.
AbstractKeywordsBiBTeXDOI
Alexander Nazin, Jacob Roll, Lennart Ljung, Ion Grama, "Direct Weight Optimization in Statistical Estimation and System Identification", Proceedings of the 7th International Conference on System Identification and Control Problems, 2008.
AbstractKeywordsBiBTeX
2007
Henrik Ohlsson, Jacob Roll, Torkel Glad, Lennart Ljung, "Using Manifold Learning for Nonlinear System Identification", Proceedings of the 7th IFAC Symposium on Nonlinear Control Systems, 170-175, 2007.
AbstractKeywordsBiBTeXDOI
Alexander Nazin, Jacob Roll, Lennart Ljung, "Direct Weight Optimization in Nonlinear Function Estimation and System Identification", Proceedings of the 6th International Conference on System Identification and Control Problems (SICPRO '07), 2007.
AbstractKeywordsBiBTeX
Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A Robust Particle Filter for State Estimation - with Convergence Results", Proceedings of the 46th IEEE Conference on Decision and Control, 312-317, 2007.
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Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A Basic Convergence Result for Particle Filtering", Proceedings of the 7th IFAC Symposium on Nonlinear Control Systems, 288-293, 2007.
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2006
Lennart Ljung, Jonas Gillberg, "Frequency-Domain Identification of Continuous-Time Output Error Models from Non-Uniformly Sampled Data", Proceedings of the 14th IFAC Symposium on System Identification, 214-218, 2006.
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Lennart Ljung, Qinghua Zhang, Anatoli Iouditski, "Identification of Wiener System with Monotonous Nonlinearity", Proceedings of the 14th IFAC Symposium on System Identification, 166-171, 2006.
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Alexander Nazin, Jacob Roll, Lennart Ljung, "Direct Weight Optimization for Approximately Linear Functions: Optimality and Design", Proceedings of the 14th IFAC Symposium on System Identification, 796-801, 2006.
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Jacob Roll, Ingela Lind, Lennart Ljung, "Connections Between Optimisation-Based Regressor Selection and Analysis of Variance", Proceedings of the 45th IEEE Conference on Decision and Control, 4907-4914, 2006.
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Jacob Roll, Ingela Lind, Lennart Ljung, "Connections Between Optimisation-Based Regressor Selection and Analysis of Variance", Proceedings of Reglermöte 2006, 2006.
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Lennart Ljung, Qinghua Zhang, Peter Lindskog, Anatoli Iouditski, Rajiv Singh, "An Integrated System Identification Toolbox for Linear and Nonlinear Models", Proceedings of the 14th IFAC Symposium on System Identification, 931-936, 2006.
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Lennart Ljung, "Some Aspects on Nonlinear System Identification", Proceedings of the 14th IFAC Symposium on System Identification, 553-564, 2006.
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Lennart Ljung, "Identification of Nonlinear Systems. Plenary Paper", Proceedings of the 9th International Conference on Control, Automation, Robotics and Vision, 2006.
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2005
Lennart Ljung, Weilu Lin, S. Joe Qin, "Comparison of Subspace Identification Methods for Systems Operating in Closed Loop", Proceedings of the 16th IFAC World Congress, 82-82, 2005.
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Lennart Ljung, Jonas Gillberg, "Frequency-Domain Identification of Continuous-Time Output Error Models from Sampled Data", Proceedings of 16th IFAC World Congress, 15-15, 2005.
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Jonas Gillberg, Lennart Ljung, "Frequency-Domain Identification of Continuous-Time ARMA Models from Sampled Data", Proceedings of 16th IFAC World Congress, 37-37, 2005.
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Lennart Ljung, David Lindgren, "Nonlinear Dynamics Identified by Multi-Index Models", Proceedings of the 16th IFAC World Congress, 32-32, 2005.
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Jimmy Johansson, David Lindgren, Matthew Cooper, Lennart Ljung, "Interactive Visualization as a Tool for Analysing Time-Varying and Non-Linear Systems", Proceedings of the 16th IFAC World Congress, 95-95, 2005.
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Torkel Glad, Anders Helmersson, Martin Enqvist, Lennart Ljung, "Controllers for Amplitude Limited Model Error Models", Proceedings of the 16th IFAC World Congress, IFAC-PapersOnLine, Vol. 38(1), 662-662, 2005.
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Jacob Roll, Martin Enqvist, Lennart Ljung, "Consistent Nonparametric Estimation of NARX Systems Using Convex Optimization", Proceedings of the 44th IEEE Conference on Decision and Control and European Control Conference, 3129-3134, 2005.
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Markus Gerdin, Torkel Glad, Lennart Ljung, "Well-Posedness of Filtering Problems for Stochastic Linear DAE Models", Proceedings of the 44th IEEE Conference on Decision and Control and European Control Conference, 350-355, 2005.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "A General Direct Weight Optimization Framework for Nonlinear System Identification", Proceedings of the 16th IFAC World Congress, 29-29, 2005.
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2004
Lennart Ljung, Jacob Roll, Anatoli Iouditski, Nazin Alexander, "Adaptive DWO Estimator of a Regression Function", Proceedings of the 2004 IFAC Symposium on Nonlinear Control Systems, 2004.
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Lennart Ljung, Weilu Lin, S. Joe Qin, "On Consistency of Closed-Loop Subspace Identification with Innovation Estimation", Proceedings of the 43rd IEEE Conference on Decision and Control, 2195-2200, 2004.
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David Lindgren, Lennart Ljung, "Nonlinear Dynamics Isolated by Delaunay Triangulation Criteria", Proceedings of the 43rd IEEE Conference on Decision and Control, 3862-3867 Vol.4, 2004.
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Lennart Ljung, "Challenges of non-linear identification", FIRST INTERNATIONAL SYMPOSIUM ON CONTROL, COMMUNICATIONS AND SIGNAL PROCESSING, 539-539, 2004.
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Martin Enqvist, Lennart Ljung, "LTI Approximations of Slightly Nonlinear Systems: Some Intriguing Examples", Proceedings of the 6th IFAC Symposium on Nonlinear Control Systems, 639-, 2004.
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Martin Enqvist, Lennart Ljung, "LTI Approximations of Slightly Nonlinear Systems: Some Intriguing Examples", Proceedings of Reglermöte 2004, 2004.
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Lennart Ljung, Qinghua Zhang, Peter Lindskog, Alexander Juditsky, "Modeling a Non-Linear Electric Circuit with Black Box and Grey Box Models", Proceedings of the 2004 IFAC Symposium on Nonlinear Control Systems, 2004.
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Qinghua Zhang, Lennart Ljung, "Multiple Steps Prediction with Nonlinear ARX Models", Proceedings of the 2004 IFAC Symposium on Nonlinear Control Systems, 2004.
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Lennart Ljung, "Integrated Frequency-Time Domain Tools for System Identification", Proceedings of the 2004 American Control Conference, 5594-5599, 2004.
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Lennart Ljung, "State of the Art in Linear System Identification: Time and Frequency Domain Methods", Proceedings of the 2004 American Control Conference, 650-660 vol.1, 2004.
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Jimmy Johansson, David Lindgren, Matthew Cooper, Lennart Ljung, "Interactive Analysis of Time-Varying Systems Using Volume Graphics", Proceedings of the 43rd IEEE Conference on Decision and Control, 5083-5087, 2004.
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2003
Lennart Ljung, Ingela Lind, "Structure Selection with ANOVA: Local Linear Models", Proceedings of the 13th IFAC Symposium on System Identification, 51-56, 2003.
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Lennart Ljung, "Version 6 of the System Identification Toolbox", Proceedings of the 13th IFAC Symposium on System Identification, 989-994, 2003.
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Lennart Ljung, S. Joe Qin, "Closed-Loop Subspace Identification with Innovation Estimation", Proceedings of the 13th IFAC Symposium on System Identification, 887-892, 2003.
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Lennart Ljung, "Educational Aspects of Identification Software User Interfaces", Proceedings of the 13th IFAC Symposium on System Identification, 1590-1594, 2003.
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Lennart Ljung, Pablo Parrilo, "Initialization of Physical Parameter Estimates", Proceedings of the 13th IFAC Symposium on System Identification, 1524-1529, 2003.
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Lennart Ljung, "Aspects and Experiences of User Choices in Subspace Identification Methods", Proceedings of the 13th IFAC Symposium on System Identification, 1802-1807, 2003.
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Lennart Ljung, S. Joe Qin, "Parallel QR Implementation of Subspace Identification with Parsimonious Models", Proceedings of the 13th IFAC Symposium on System Identification, 1631-1636, 2003.
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Lennart Ljung, "Initialisation Aspects for Subspace and Output-Error Identification Methods", Proceedings of the 2003 European Control Conference, 2003.
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Jacob Roll, Lennart Ljung, Alexander Nazin, "Local Modelling of Nonlinear Dynamic Systems Using Direct Weight Optimization", Proceedings of the 13th IFAC Symposium on System Identification, 1554-1559, 2003.
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Jacob Roll, Lennart Ljung, Alexander Nazin, "Local Modelling with A Priori Known Bounds Using Direct Weight Optimization", Proceedings of the 2003 European Control Conference, 2003.
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Svante Björklund, Lennart Ljung, "A Review of Time-Delay Estimation Techniques", Proceedings of the 42nd IEEE Conference on Decision and Control, 2502-2507 vol.3, 2003.
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Markus Gerdin, Torkel Glad, Lennart Ljung, "Parameter Estimation in Linear Differential-Algebraic Equations", Proceedings of the 13th IFAC Symposium on System Identification, 1530-, 2003.
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2002
Lennart Ljung, Liang-Liang Xie, "Estimate Physical Parameters by Black-Box Modeling", Proceedings of the 21st Chinese Control Conference, 673-677, 2002.
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Lennart Ljung, "System Identification and Simple Process Models", Proceedings of the 2002 International Symposium on Advanced Control of Industrial Processes, 13-24, 2002.
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Lennart Ljung, Alexander Nazin, "Asymptotically Optimal Smoothing of Averaged LMS for Regression Parameter Tracking", Proceedings of the 15th IFAC Congress, 436-436, 2002.
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Lennart Ljung, "Subspace Identification Methods Using Parsimonious Model Formulation", Proceedings of the 2002 AIChE Annual Meeting, 2002.
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Jacob Roll, Lennart Ljung, Alexander Nazin, "A Non-Asymptotic Approach to Local Modelling", Proceedings of the 4th Conference on Computer Science and Systems Engineering, 75-80, 2002.
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Lennart Ljung, Jacob Roll, Alexander Nazin, "A Non-Asymptotic Approach to Local Modelling", Proceedings of the 41st IEEE Conference on Decision and Control, 638-643 vol.1, 2002.
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Lennart Ljung, "Identification for Control: Simple Process Models", Proceedings of the 41st IEEE Conference on Decision and Control, 4652-4657 vol.4, 2002.
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David Lindgren, Lennart Ljung, "Clustered Regression Analysis", Proceedings of the 41st IEEE Conference on Decision and Control, 1838-1844 vol.2, 2002.
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Martin Enqvist, Lennart Ljung, "Approximation of Non-Linear Systems in a Neighborhood of LTI Systems", Proceedings of Reglermöte 2002, 289-291, 2002.
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Martin Enqvist, Lennart Ljung, "Estimating Nonlinear Systems in a Neighborhood of LTI-approximants", Proceedings of the 41st IEEE Conference on Decision and Control, 1005-1010 vol.1, 2002.
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2001
Lennart Ljung, Jacob Roll, Alberto Bemporad, "Identification of Hybrid Systems via Mixed-Integer Programming", Proceedings of the 40th IEEE Conference on Decision and Control, 786-792 vol.1, 2001.
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Lennart Ljung, Wolfgang Reinelt, "Robust Control of Identified Models with Mixed Parametric and Non-Parametric Uncertainties", Proceedings of the 2001 European Control Conference, 3564--3569, 2001.
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Lennart Ljung, Fredrik Tjärnström, "Variance Properties of a Two-Step ARX Estimation Procedure", Proceedings of the 2001 European Control Conference, 1840-1845, 2001.
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Lennart Ljung, Anders Helmersson, Torkel Glad, "Uncertain LTI-Models for Linear Control Design of Nonlinear Systems", Proceedings of the 40th IEEE Conference on Decision and Control, 2692-2694 vol.3, 2001.
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Lennart Ljung, Daishi A. Murano, Alex S. Poznyak, "Robust High-Gain DNN Observer for Nonlinear Stochastic Continuous Time Systems", Proceedings of the 40th IEEE Conference on Decision and Control, 3546-3551 vol.4, 2001.
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Lennart Ljung, "Black-Box Models from Input-Output Measurements", Proceedings of the 18th IEEE Instrumentation and Measurement Technology Conference, 138-146, 2001.
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2000
Lennart Ljung, "Model Error Modeling and Control Design", Proceedings of the 12th IFAC Symposium on System Identification, 2000.
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Lennart Ljung, "Version 5 of the System Identification Toolbox for Use with MATLAB - WIth Object Orientation", Proceedings of the 12th IFAC Symposium on System Identification, LiTH-ISY-R, Vol. 2221, 703-708, 2000.
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Fredrik Tjärnström, Lennart Ljung, "L2 Model Reduction and Variance Reduction", Proceedings of the 12th IFAC Symposium on System Identification, Automatica (Journal of IFAC), Vol. Volume 38, Issue 9, 1517-1530, 2000.
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Lennart Ljung, "Teaching System Identification: Goals and Formats of Different Courses", Proceedings of the 12th IFAC Symposium on System Identification, LiTH-ISY-R, Vol. 2222, 2000.
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Lennart Ljung, Anna Hagenblad, "Maximum Likelihood Estimation of Wiener Models", Proceedings of the 39th IEEE Conference on Decision and Control, 2417-2418 vol.3, 2000.
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Lennart Ljung, Liang-Liang Xie, "Aspects on the Interpretation of Disturbances in System Identification", Proceedings of the 39th IEEE Conference on Decision and Control, 668-673 vol.1, 2000.
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Lennart Ljung, Alf Isaksson, Ragnar Wallin, "An Iterative Method for Identification of ARX Models from Incomplete Data", Proceedings of the 39th IEEE Conference on Decision and Control, 203-208 vol.1, 2000.
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1999
Tomas McKelvey, Lennart Ljung, Fredrik Gustafsson, Anders Stenman, Daniel Rivera, "On Adaptive Smoothing of Empirical Transfer Function Estimates", Proceedings of the 14th IFAC World Congress, 415-420, 1999.
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Lennart Ljung, Pierre Carrette, "Efficient Computation of Cramer-Rao Bounds for the Transfer Functions of MIMO State-Space Systems", Proceedings of the 14th IFAC World Congress, 247-252, 1999.
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Lennart Ljung, Fredrik Tjärnström, "Minimizing the Variance of Transfer Function Estimates", Proceedings of the 6th St. Petersburg Symposium on Adaptive Systems Theory, 194-200, 1999.
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Lennart Ljung, "Estimation Focus in System Identification: Prefiltering, Noise Models, and Prediction", Proceedings of the 38th IEEE Conference on Decision and Control, 2810-2815 vol.3, 1999.
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Lennart Ljung, Fredrik Tjärnström, "Estimating the Variance in Case of Undermodeling Using Bootstrap", Proceedings of the 38th IEEE Conference on Decision and Control, 2394-2399 vol.3, 1999.
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Lennart Ljung, "Comments on Model Validation as Set Membership Identification", Proceedings of the 1998 Robustness in Identification and Control Workshop, Lecture Notes in Control and Information Sciences, 7-17, 1999.
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Lennart Ljung, "Model Validation and Model Error Modeling", Prcoeedings of the 1999 Åström Symposiium on Control, 15-42, 1999.
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Wolfgang Reinelt, Andrea Garulli, Lennart Ljung, Julio H. Braslavsky, Antonio Vicino, "Model Error Concepts in Identification for Control", Proceedings of the 38th IEEE Conference on Decision and Control, 1488-1493, 1999.
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1998
Lennart Ljung, Urban Forssell, "Identification for Control: Some Results on Optimal Experiment Design", Proceedings of the 37th IEEE Conference on Decision and Control, 3384-3389 vol.3, 1998.
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Lennart Ljung, Urban Forssell, "Bias, Variance and Optimal Experiment Design: Some Comments on Closed Loop Identification", Proceedings of the 1998 Conference on Perspectives in Control - A tribute to Ioan Dore Landau, 205-216, 1998.
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Lennart Ljung, Anna Hagenblad, "Maximum Likelihood Identification of Wiener Models with a Linear Regression Initialization", Proceedings of the 37th IEEE Conference on Decision and Control, 712-713 vol.1, 1998.
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Lennart Ljung, Torkel Glad, "Identifiability with Constraints", Proceedings of the 4th IFAC Symposium on Nonlinear Control Systems Design, 455-458, 1998.
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Lennart Ljung, Urban Forssell, "Identification of Unstable Systems using Output Error and Box-Jenkins Model Structures", Proceedings of the 37th IEEE Conference on Decision and Control, 3932-3927 vol.4, 1998.
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Lennart Ljung, "Identification for Control - What is there to learn?", Proceedings of the 1998 Learning, Control and Hybrid Systems Workshop, Lecture Notes in Control and Information Sciences, 207-225, 1998.
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1997
Lennart Ljung, "Identification, Model Validation and Control", Plenary Presentation at the the 36th IEEE Conference on Decision and Control, 1997.
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Lennart Ljung, Urban Forssell, "Tracking Time-Varying Systems: Revisiting Some Basic Trade-offs", Proceedings of the 11th IFAC Symposium on System Identification, 1759-1764, 1997.
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Tomas McKelvey, Lennart Ljung, "Interpretation of Subspace Methods: Consistency Analysis", Proceedings of the 11th IFAC Symposium on System Identification, 1125-1130, 1997.
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Lennart Ljung, Tomas McKelvey, "Frequency Domain Maximum Likelihood Identification", Proceedings of the 11th IFAC Symposium on System Identification, 1741-1746, 1997.
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Lennart Ljung, "Identification in Closed Loop: Some Aspects on Direct and Indirect Approaches", Proceedings of the 11th IFAC Symposium on System Identification, 141-146, 1997.
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Lennart Ljung, "System Identification", Proceedings of the First European Conference on Signal Analysis and Prediction, 41-47, 1997.
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Lennart Ljung, Peter Lindskog, "Ensuring Certain Physical Properties in Black Box Models by Applying Fuzzy Techniques", Proceedings of the 11th IFAC Symposium on System Identification, 721-727, 1997.
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Lennart Ljung, "Developments for the System Identification Toolbox for MATLAB", Proceedings of the 11th IFAC Symposium on System Identification, 969-975, 1997.
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Lennart Ljung, Tomas McKelvey, Fredrik Gustafsson, Anders Stenman, Sarojini Adusumilli, Daniel Rivera, "Just-in-Time Models for Improved Identification and Control", Proceedings of the 1997 American Institute of Chemical Engineers Annual Meeting, 1997.
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Lennart Ljung, "Nonlinear Black Box Models in System Identification", Proceedings of the 1997 IFAC International Symposum on Advanced Control of Chemical Processes, 1-13, 1997.
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Fredrik Gustafsson, Lennart Ljung, Niclas Bergman, "Point-Mass Filter and Cramer-Rao Bound for Terrain-Aided Navigation", Proceedings of the 36th IEEE Conference on Decision and Control, 565-570 vol.1, 1997.
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Urban Forssell, Lennart Ljung, "Variance Results for Closed-Loop Identification Methods", Proceedings of the 36th IEEE Conference on Decision and Control, 2435-2440, 1997.
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Lennart Ljung, Paul. M. J. Van den Hof, Michel Gevers, "Asymptotic Variance Expressions for Closed-Loop Identification and their Relevance in Identification for Control", Proceedings of the 11th IFAC Symposium on Identification and System Parameter Estimation, 1449-1455, 1997.
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1996
Lennart Ljung, "Some Aspects of Nonlinear Black-Box Modeling in System Identification", Proceedings of the 1996 Conference on Communications, Computing, Control and Signal Processing, 431-440, 1996.
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Anders Stenman, Fredrik Gustafsson, Lennart Ljung, "Just-in-Time Models for Dynamical Systems", Proceedings of Reglermöte 1996, 285--289, 1996.
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Lennart Ljung, "Models in Signal Processing", Proceedings of Radiovetenskaplig Konferens 1996, 1996.
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Lennart Ljung, Roger Germundsson, Johan Gunnarsson, Inger Klein, Jonas Plantin, "Hybrid and Discrete Systems in Automatic Control - Some New (Linköping) Approaches", Proceedings of Reglermöte 1996, 1996.
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Lennart Ljung, "Development of System Identification", Proceedings of the 13th IFAC World Congress, 141-146, 1996.
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Lennart Ljung, Lei Guo, "Estimating the Total Model Error from Standard Model Validation Tests", Proceedings of the 13th IFAC World Congress, 133-138, 1996.
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Tomas McKelvey, Lennart Ljung, "A Least Squares Interpretation of Sub-Space Methods for System Identification", Proceedings of the 35th IEEE Conference on Decision and Control, 335-342 vol.1, 1996.
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Lennart Ljung, "PAC-Learning and Asymptotic System Identification Theory", Proceedings of the 35th IEEE Conference on Decision and Control, 2303-2307 vol.2, 1996.
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Lennart Ljung, Fredrik Gustafsson, Anders Stenman, "Just-in-Time Models for Dynamical Systems", Proceedings of the 35th IEEE Conference on Decision and Control, 1115-1120 vol.1, 1996.
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1995
Lennart Ljung, "Nonlinear Black Box Modeling in System Identification", Proceedings of the Fourth International Conference on Artificial Neural Networks, 1995.
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Lennart Ljung, "Nonlinear Black Box Models in Systems Identification", Proceedings of the 2nd Russian Swedish Control Conference, 23-27, 1995.
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Tomas McKelvey, Lennart Ljung, Hüseyin Akçay, "Identification of Infinite Dimensional Systems from Frequency Response Data", Proceedings of the 3rd European Control Conference, 2106-2111, 1995.
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Håkan Hjalmarsson, Lennart Ljung, "System Identification through the Eyes of Model Validation", Proceedings of the 3rd European Control Conference, 1995.
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Asha Tikku, Lennart Ljung, "Worst-Case Identification in L1 for F.I.R. Linear Systems", Proceedings of the 34th IEEE Conference on Decision and Control, 2998-3003 vol.3, 1995.
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Lennart Ljung, Lei Guo, "Estimating the Total Model Error from Standard Model Validation Tests", Proceedings of the 34th IEEE Conference on Decision and Control, 1651-1656 vol.2, 1995.
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1994
Lennart Ljung, "From Data to Model: A Guided Tour of System Identification", Proceedings of the 1994 IEEE International Conference on Control, 422-430 vol.1, 1994.
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Lennart Ljung, "A Graphical User Interface (GUI) to the System Identification Toolbox", Proceedings of the 10th IFAC Symposium on System Identification, 29-33, 1994.
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Lennart Ljung, "The EKF, RPEM and Recursive Maximum Likelihood Method in a Simple Application to Image Restoration", Proceedings of the 10th IFAC Symposium on System Identification, 441-446, 1994.
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Lennart Ljung, Peter Lindskog, "Tools for Semi-Physical Modeling", Proceedings of the 10th IFAC Symposium on System Identification, 237-242, 1994.
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Jonas Sjöberg, Håkan Hjalmarsson, Lennart Ljung, "Neural Networks in System Identification", Proceedings of the 10th IFAC Symposium on System Identification, 49-72, 1994.
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Hüseyin Akçay, Håkan Hjalmarsson, Lennart Ljung, "On the Choice of Norms in System Identification", Proceedings of the 10th IFAC Symposium on System Identification, 103-108, 1994.
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Lennart Ljung, Lei Guo, "The Role of Model Validation for Assessing the Size of the Unmodeled Dynamics", Proceedings of the 33rd IEEE Conference on Decision and Control, 3894-3899 vol.4, 1994.
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Lennart Ljung, Lei Guo, "Performance Analysis of General Tracking Algorithms", Proceedings of the 33rd IEEE Conference on Decision and Control, 2851-2855 vol.3, 1994.
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Lennart Ljung, Svante Gunnarsson, Fredrik Gustafsson, "On Time-Frequency Resolution of Signal Properties using Parametric Techniques", Proceedings of the 33rd IEEE Conference on Decision and Control, 2259-2264 vol.3, 1994.
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Torbjörn Andersson, Predrag Pucar, Lennart Ljung, "Identification Aspects of Inter-Sample Input Behavior", Proceedings of the 10th IFAC Symposium on System Identification, 137-142, 1994.
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Lennart Ljung, Tomas McKelvey, T Abrahamsson, "A Study of some Approaches to Vibration Data Analysis", Proceedings of the 10th IFAC Symposium on System Identification, 289-294, 1994.
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Jonas Sjöberg, Lennart Ljung, "Criterion Minimization Using Estimation Data and Validation Data", Proceedings of the 10th IFAC Symposium on System Identification, 187-190, 1994.
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Lennart Ljung, Yucai Zhu, Peter van Overschee, Bart de Moor, "Comparison of Three Classes of Identification Methods", Proceedings of the 10th IFAC Symposium on System Identification, 175-180, 1994.
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Håkan Hjalmarsson, Lennart Ljung, "A Unifying View of Disturbances in Identification", Proceedings of the 10th IFAC Symposium on System Identification, 73-78, 1994.
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Lennart Ljung, "Aspects on Accelerated Convergence in Stochastic Approximation Schemes", Proceedings of the 33rd IEEE Conference on Decision and Control, 1649-1652 vol.2, 1994.
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1993
Lennart Ljung, Jonas Sjöberg, Tomas McKelvey, "On the Use of Regularization in System Identification", Proceedings of the 12th IFAC World Congress, 381-386, 1993.
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Mats Viberg, Björn Ottersten, Bo Wahlberg, Lennart Ljung, "Performance of Subspace based State-Space System Identification Methods", Proceedings of the 12th IFAC World Congress, 369-, 1993.
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Lennart Ljung, "The Process of Identification", Proceedings of the 12th IFAC World Congress, 197-, 1993.
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Lennart Ljung, Torbjörn Andersson, Torkel Glad, "Identifiability Implies Robust Identifiability", Proceedings of the Second European Control Conference, 2144-2148, 1993.
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Lennart Ljung, Torbjörn Andersson, Torkel Glad, "Identifiability Implies Robust Identifiability", Proceedings of the 32nd IEEE Conference on Decision and Control, 567-569 vol.1, 1993.
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Lennart Ljung, "Some Results on Identifying Linear Systems Using Frequency Domain Data", Proceedings of the 32nd IEEE Conference on Decision and Control, 3534-3538 vol.4, 1993.
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Lennart Ljung, "Information Contents in Identification Data from Closed-Loop Operation", Proceedings of the 32th IEEE Conference on Decision and Control, 2248-2252 vol.3, 1993.
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Håkan Hjalmarsson, Lennart Ljung, "A Discussion of Unknown-but-Bounded Disturbances in System Identification", Proceedings of the 32nd IEEE Conference on Decision and Control, 535-536 vol.1, 1993.
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Lennart Ljung, "Modelling of Industrial Systems", Proceedings of the 7th International Symposium, Methodologies for Intelligent Systems, Lecture Notes in Computer Science, 338-350, 1993.
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1992
Lennart Ljung, Bo Egardt, C. R. Johnson, Jr, G. A. Williamson, "Adaptive System Performance in the Frequency Domain", Adaptive systems in control and signal processing 1992, 33-40, 1992.
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Lennart Ljung, Jonas Sjöberg, "Overtraining, Regularization and Searching for Minimum in Neural Networks", 4th IFAC Symposium on Adaptive Systems in Control and Signal Processing, 669-674, 1992.
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Peter Nagy, Lennart Ljung, "System Identification using Bond Graphs", Proceedings of the 4th IFAC Symposium on Adaptive Systems in Control and Signal Processing, 415-420, 1992.
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Lennart Ljung, Jonas Sjöberg, "A Comment on Leakage in Adaptive Algorithms", Proceedings of the 4th IFAC International Symposium on Adaptive Systems in Control and Signal Processing, 377-382, 1992.
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Lennart Ljung, "Optimal and Ad Hoc Adaptation Mechanisms", Proceedings of the 2nd International Symposium on Signals Systems and Electronics, 1992.
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Lei Guo, Lennart Ljung, Pierre Priouret, "Tracking Performance Analysis of the Forgetting Factor RLS Algorithm", Proceedings of the 31st IEEE Conference on Decision and Control, 688-693 vol.1, 1992.
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Lennart Ljung, Jonas Sjöberg, "A System Identification Perspective on Neural Nets", Proceedings of the 1992 IEEE Workshop on Neural Networks for Signal Processing, 423-435, 1992.
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1991
Lennart Ljung, Bo Wahlberg, Håkan Hjalmarsson, "Model Quality: The Role of Prior Knowledge and Data Information", Proceedings of the 30th IEEE Conference on Decision and Control, 273-278, 1991.
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Lennart Ljung, "A (simple) Perspective on Adaptation Algorithms", Proceedings of the 1991 Workshop on Stochastic Theory - Adaptive Control, Lecture Notes in Control and Information Sciences, Vol. 184, 306-320, 1991.
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R. B. Freund, Geoffrey A. Williamson, C. Richard Johnson, Jr, Lennart Ljung, "Cascade Realization of an Adaptive FIR Filter: Global Properties of the Average Squared Prediction Error Surface", Proceedings of the 25th Conference on Information Sciences and Systems, 1991.
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Håkan Hjalmarsson, Bo Wahlberg, Lennart Ljung, "Assessing Model Quality from Data", Proceedings of the 1990 IIASA Symposium on Modeling and Control of Systems with Uncertainty, 167-187, 1991.
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Lennart Ljung, "An Exact Formula for the Tracking Ability of Adaptive Algorithms: Implications for the General Case", Proceedings of the 9th IFAC Symposium on System Identification and System Parameter Estimation, 208-212, 1991.
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Peter Nagy, Lennart Ljung, "Estimating Time-Delays via State-Space Identification Methods", Prcoeedings of the 9th IFAC Symposium on System Identification and System Parameter Estimation, 1141-1144, 1991.
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Peter Nagy, Lennart Ljung, "Computer-Aided Model Structure Selection", Proceedings of the 9th IFAC Symposium on System Identification and System Parameter Estimation, 918-923, 1991.
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Lennart Ljung, "Identifying State-Space Models with Mathwork's System Identification Toolbox", Proceedings of the 9th IFAC Symposium on System Identification and System Parameter Estimation, 1582-1584, 1991.
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Krister Forsman, Lennart Ljung, "On the Dead-Zone in System Identification", Proceedings of the 9th IFAC Symposium on System Identification and System Parameter Estimation, 1410-1414, 1991.
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Bo Wahlberg, Lennart Ljung, "On Estimation of Transfer Function Error Bounds", Proceedings of the 1st European Control Conference, 1378-1180, 1991.
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Mats Viberg, Björn Ottersten, Bo Wahlberg, Lennart Ljung, "A Statistical Perspective on State-Space Modelling using Subspace Methods", Proceedings of the 30th IEEE Conference on Decision and Control, 1337-1342 vol.2, 1991.
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Torkel Glad, Lennart Ljung, "Testing Global Identifiability for Arbitrary Model Parametrizations", Proceedings of the 9th IFAC Symposium on System Identification and System Parameter Estimation, 1077-1082, 1991.
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Lennart Ljung, Bo Wahlberg, Torsten Söderström, "On Sampling and Reconstruction of Continuous Time Stochastic Systems", Proceedings of the 9th IFAC Symposium on System Identification and System Parameter Estimation, 1174-1178, 1991.
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Peter Nagy, Lennart Ljung, "System Identification using Bond Graphs", Proceedings of the First European Control Conference, 2564-2569, 1991.
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Jan-Erik Strömberg, Fredrik Gustafsson, Lennart Ljung, "Trees as Black-Box Model Structures for Dynamical Systems", Proceedings of the First European Control Conference, 1175-1180, 1991.
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Lennart Ljung, "Optimal and Ad Hoc Adaptation Mechanisms", Proceedings of the First European Control Conference, 2013-2020, 1991.
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Alf Isaksson, Lennart Ljung, Jan-Erik Strömberg, "On Recursive Construction of Trees as Models of Dynamical Systems", Proceedings of the 30th IEEE Conference on Decision and Control, 1686-1687 vol.2, 1991.
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Lennart Ljung, "A Simple Start-Up Procedure for Canonical form State Space Identification, based on Subspace Approximation", Proceedings of the 30th IEEE Conference on Decision and Control, 1333-1336 vol.2, 1991.
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1990
Håkan Hjalmarsson, Lennart Ljung, "How to Estimate Model Uncertainty in the Case of Under-Modelling", Proceedings of the 1990 American Control Conference, 323-324, 1990.
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Lennart Ljung, Bo Wahlberg, "Influence of Model Order on Change Detection in Noise-Free Complex System", Proceedings of the 1990 American Control Conference, 2388-2393, 1990.
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Lennart Ljung, Torkel Glad, "Parametrization of Nonlinear Model Structures as Linear Regressions", Proceedings of the 11th IFAC World Congress, 67-71, 1990.
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Lennart Ljung, Torkel Glad, "Model Structure Identifiability and Persistence of Excitation", Proceedings of the 29th IEEE Conference on Decision and Control, 3236-3240 vol.6, 1990.
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1989
Svante Gunnarsson, Lennart Ljung, "Frequency Domain Description of the Tracking Capability and Disturbance Rejection Trade-Off in Recursive Identification", Proceedings of the 1989 International Conference on Acoustics, Speech and Signal Processing, 2077-2080, 1989.
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Björn Ottersten, Lennart Ljung, "Asymptotic Results for Sensor Array Processing", Proceedings of the 1989 International Conference on Acoustics, Speech and Signal Processing, 2266-2269, 1989.
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Lennart Ljung, "Choices of Prefilters and Forgetting Factors in Noise-Free Identification", Proceedings of the 1989 American Control Conference, 1409-1415, 1989.
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Lennart Ljung, "System Identification in a Noise Free Environment", Proceedings of the 1989 IFAC Symposium on Adaptive Control and Adaptive Signal Processing, 29-38, 1989.
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Lennart Ljung, "An Estimate of the Tracking Ability of Adaptive Algorithms", Proceedings of the 28th IEEE Conference on Decision and Control, 1392-1394, 1989.
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Peter Nagy, Lennart Ljung, "An Intelligent Tool for System Identification", Proceedings of the 1989 IEEE Control Systems Society Workshop on Computer-Aided Control System Design, 58-63, 1989.
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Krister Forsman, Lennart Ljung, Mille Millnert, Anders Skeppstedt, "Merging 'Reasoning' and Filtering in a Bayesian Framework: Some Sensitivity and Optimality Aspects", Proceedings of the 28th Conference on Decision and Control, 1427-1429, 1989.
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1988
Lennart Ljung, "Adaptation and Tracking in Dynamical Systems", Proceedings of the 1988 Benelux Meeting on Systems and Control, 1988.
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Lennart Ljung, "System Identification: A Status Report", Proceedings of the 1988 Benelux Meeting on Systems and Control, 1988.
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Lennart Ljung, "Adaptation and Tracking in System Identification", Proceedings of the 8th IFAC Symposium on Identification and System Parameter Estimation, 1-10, 1988.
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Lennart Ljung, "Modelling and Identification for Simulation", Proceedings of the 12th IMACS World Congress, 1988.
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1987
Lennart Ljung, "Identification: An Expository Survey", Proceedings of the 1987 Workshop on Automatic Control and Signal Processing, 1987.
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Lennart Ljung, "Recursive Techniques for Identifying Dynamic Systems", Proceedings of the 1987 Workshop on Automatic Control and Signal Processing, 1987.
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Lennart Ljung, "Design Issues in System Identification", Proceedings of the 1987 NATO Advanced Research Workshop on Modelling, Robustness and Sensitivity Reduction in Control Systems, 1987.
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Lennart Ljung, "Signals, Noises and Model Errors", Proceedings of the 1987 Conference on Mathematical Theory of Networks and Systems, 1987.
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Lennart Ljung, "Adaptation and Tracking in Identification", Proceedings of the 1987 AFSR Meeting on Signal Processing, 1987.
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Lennart Ljung, "On the Estimation of Transfer Functions", Proceedings of the 10th IFAC World Congress on Automatic Control, 271-281, 1987.
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Lennart Ljung, Sanjoy K. Mitter, Jose M.F. Moura, "Optimal Recursive Maximum Likelihood Estimation", Proceedings of the 10th IFAC World Congress on Automatic Control, 247-281, 1987.
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1986
Lennart Ljung, "Building Models for a Specified Purpose using System Identification", Proceedings of the 1986 IFAC/IFORS Symposium on Simulation of Control Systems, 3-9, 1986.
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Lennart Ljung, "Identification Theory and Single Realization Behaviour", Proceedings of the 25th IEEE Conference on Decision and Control, 1478-1480, 1986.
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Lennart Ljung, "System Identification, Model Simplification and the Design Objective", Proceedings of the 25th IEEE Conference on Decision and Control, 783-788, 1986.
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1985
Lennart Ljung, "Frequency Domain and Time-Domain Methods in System Identification", Proceedings of the 1985 Conference on Mathematical Theory of Networks and Systems, 1985.
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Farhat Fnaiech, Lennart Ljung, "On the Identification and Adaptive Control of Bilinear Systems", Proceedings of the JTEA'85, 6eme Journées Tunisiennes d ' Electrotechnique et d'Automatique, Paper 19-, 1985.
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Lennart Ljung, "A Non-Probabilistic Framework for Signal Spectra", Proceedings of the 24th IEEE Conference on Decision and Control, 1056-1060, 1985.
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Eva Trulsson, Lennart Ljung, "Stability in Adaptive Control by Persistently Exciting Regulators", Proceedings of the 24th IEEE Conference on Decision and Control, 484-491, 1985.
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Lennart Ljung, "System Identification: An Expository Survey", Proceedings of the 23rd Annual Allerton Conference on Communications, Control and Computing, 204-216, 1985.
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Eva Trulsson, Lennart Ljung, "On Self-Robustification of Adaptive Control Performance Criteria", Proceedings of the 7th IFAC Symposium on Identification and System Parameter Estimation, 1021-1024, 1985.
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Michel Gevers, Lennart Ljung, "Benefits of Feedback in Experiment Design", Proceedings of the 7th IFAC Symposium on Identification and System Parameter Estimation, 909-914, 1985.
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Lennart Ljung, "On the Estimation of Transfer Functions", Proceedings of the 7th IFAC Symposium on Identification and System Parameter Estimation, 1341-1344, 1985.
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1984
Lennart Ljung, "Asymptotic Variance Expressions for Identified Black-Box Transfer Function Models", Proceedings of the 23rd IEEE Conference on Decision and Control, 951-958, 1984.
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Bo Wahlberg, Lennart Ljung, "Design Variables for Bias Distribution in Transfer Function Estimation", Proceedings of the 23rd IEEE Conference on Decision and Control, 335-341, 1984.
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Lennart Ljung, "Frequency Domain Properties of Identified Transfer Functions", Proceedings of the 4th IMA International Conference on Control Theory, 1984.
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Lennart Ljung, "Modern System Identification", Proceedings of the URSI XX1st General Assembly, paper B4-2-, 1984.
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Torkel Glad, Lennart Ljung, "Velocity Estimation from Irregular, Noisy Position Measurements", Proceedings of the 9th IFAC World Congress, 275-279, 1984.
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Stefan Ljung, Lennart Ljung, "Error Propagation Properties of Recursive Least-Squares Adaptation Algorithms", Proceedings of the 9th IFAC World Congress, 70-74, 1984.
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1983
Lennart Ljung, Zhen-Dong Yuan, "Properties of Non-Parametric Time-Domain Methods for Estimating Transfer Functions", Proceedings of the 22nd IEEE Conference on Decision and Control, 323-324, 1983.
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Lennart Ljung, "Adaptive Parameter Estimation", Proceedings of the 22nd IEEE Conference on Decision and Control, 1983.
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Lennart Ljung, "Advanced Process Control", Proceedings of the 1983 International Symposium on Pulp and Paper Mill-Wide Control, 1983.
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Lennart Ljung, "Recursive Identification of Stochastic, Dynamical Systems", Proceedings of the 44th Session of the International Statistical Institute, 1983.
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Torsten Söderström, Lennart Ljung, "User Choices for Recursive Identification Methods", Proceedings of the 1st IASTED Conference on Applied Control and Identification, 14-24, 1983.
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C. Richard Johnson, Jr, Lennart Ljung, "On Possible Convergence Points for Reduced Order Indirect Adaptive Pole Placement", Proceedings of the 17th Conference on Information Sciences and Systems, 108-113, 1983.
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1982
Zhen-Dong Yuan, Lennart Ljung, "Optimal Input Design by Frequency Domain Criteria", Proceedings of the 21st IEEE Conference on Decision and Control, 1005-1006, 1982.
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Lennart Ljung, "An Overview of the System Identification Problem: Introduction", Proceedings of the 6th IFAC Symposium on Identification and System Parameter Estimation, 1982.
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Lennart Ljung, "Systems, Models and System Identification", Proceedings of the 1982 International Symposium on Circuits and Systems, 907-910, 1982.
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Lennart Ljung, "Recursive Identification Techniques", Proceedings of the 1982 IEEE International Conference on Acoustics, Speech and Signal Processing, 627-630, 1982.
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1981
Peter Andersson, Lennart Ljung, "A Test Case for Adaptive Control: Car Steering", Proceedings of the 1981 IFAC Symposium on Theory and Applications of Digital Control, 1981.
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Benjamin Friedlander, Lennart Ljung, Martin Morf, "Lattice Implementation of the Recursive Maximum Likelihood Algorithm", Proceedings of the 20th IEEE Conference on Decision and Control including the Symposium on Adaptive Processes, 1083-1084, 1981.
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Lennart Ljung, Eva Trulsson, "Adaptive Control based on Explicit Criterion Minimization", Proceedings of the 8th IFAC World Congress, 1981.
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Lennart Ljung, "On the Positive-Real Condition in Adaptive Control", Proceedings of the 1981 Workshop on Applications of Adaptive Systems Theory, 1981.
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1980
D. M. Wiberg, Lennart Ljung, "Gaussian-Optimal On-Line Parameter Estimation", Proceedings of the 19th IEEE Conference on Decision and Control including the Symposium on Adaptive Processes, 681-683, 1980.
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Lennart Ljung, "Asymptotic Gain and Search Direction for Recursive Identification Algorithms", Proceedings of the 19th IEEE Conference on Decision and Control including the Symposium on Adaptive Processes, 981-985, 1980.
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Lennart Ljung, "The ODE Approach to the Analysis of Adaptive Control Systems: Possibilities and Limitations", Proceedings of the 1980 Joint Automatic Control Conference, 1980.
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1979
Lennart Ljung, Keith Glover, "Frequency Domain versus Time Domain Methods in System Identification: A Brief Discussion", Proceedings of the 5th IFAC Symposium on Identification and System Parameter Estimation, 1309-1322, 1979.
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Lennart Ljung, "Convergence of Recursive Estimators", Proceedings of the 5th IFAC Symposium on Identification and System Parameter Estimation, 131-144, 1979.
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A J M van Overbeek, Lennart Ljung, "On-Line Structure Selection for Multivariable State Space Models", Proceedings of the 5th IFAC Symposium on Identification and System Parameter Estimation, 387-396, 1979.
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Lennart Ljung, "Fast Algorithms for Recursive Estimation and Identification", Proceedings of the 1979 International Conference on Numerical Techniques for Stochastic Systems, 43-48, 1979.
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Lennart Ljung, "Asymptotic Theory of Prediction Error Estimation Methods", Proceedings of the 1979 International Time Series Meeting, 157-166, 1979.
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1978
Bernard C. Levy, Thomas Kailath, Martin Morf, Lennart Ljung, "Fast Time-Invariant Implementations for Linear Least-Squares Smoothing Filters", Proceedings of the 1978 IEEE Conference on Decision and Control including the 17th Symposium on Adaptive Processes, 1156-1159, 1978.
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Lennart Ljung, Peter E. Caines, "Asymptotic Normality of Prediction Error Estimators for Approximate System Models", Proceedings of the 1978 IEEE Conference on Decision and Control including the 17th Symposium on Adaptive Processes, 927-932, 1978.
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Lennart Ljung, "Prediction Error Identification Methods", Proceedings of the 1978 French-Swedish Colloquium on Applied Mathematics, 1978.
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Lennart Ljung, "Some Basic Ideas in Recursive Identification", Proceedings of the 1978 Conference on the Analysis and Optimization of Stochastic Systems, 1978.
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Lennart Ljung, "Asymptotic Theory of Prediction Error Estimators for Dynamical Systems", Proceedings of the 1st AFCET/SMF Meeting, 155-156, 1978.
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Lennart Ljung, Ioan-Doré Landau, "Model Reference Adaptive Systems and Self Tuning Regulators: Some Connections", Proceedings of the 7th IFAC World Congress, 1973-1980, 1978.
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Lennart Ljung, A J M van Overbeek, "Validation of Approximate Models Obtained from Prediction Error Identification", Proceedings of the 7th IFAC World Congress, 1899-1906, 1978.
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1977
Lennart Ljung, David Falconer, "Application of Fast Kalman Estimation to Adaptive Equalization", Proceedings of the 1977 IEEE Symposium on Information Theory, 38-39, 1977.
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1976
Martin Morf, Lennart Ljung, Thomas Kailath, "Fast Algorithms for Recursive Identification", Proceedings of the 1976 IEEE Conference on Decision and Control including the 15th Symposium on Adaptive Processes, 916-921, 1976.
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B Friedlander, Martin Morf, Thomas Kailath, Lennart Ljung, "Levinson and Chandrasekhar-Type Equations for a General Discrete-Time Linear Estimation Problem", Proceedings of the 1976 IEEE Conference on Decision and Control including the 15th Symposium on Adaptive Processes, 910-915, 1976.
AbstractKeywordsBiBTeXDOI
Peter E. Caines, Lennart Ljung, "Prediction Error Estimators: Asymptotic Normality and Accuracy", Proceedings of the 1976 IEEE Conference on Decision and Control including the 15th Symposium on Adaptive Processes, 652-658, 1976.
AbstractKeywordsBiBTeXDOI
Lennart Ljung, Thomas Kailath, "Formulas for Efficient Change of Initial Conditions in Linear Least Squares Estimation", Proceedings of the 1976 IEEE Conference onDecision and Control including the 15th Symposium on Adaptive Processes, 640-644, 1976.
AbstractKeywordsBiBTeXDOI
Thomas Kailath, Lennart Ljung, Martin Morf, "Recursive Input-Output and State Space Solutions for Continuous Time Linear Estimation Problems", Proceedings of the 1976 IEEE Conference on Decision and Control including the 15th Symposium on Adaptive Processes, 182-, 1976.
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Thomas Kailath, Lennart Ljung, "A Scattering Theory Framework for Fast Least-Squares Algorithms", Proceedings of the 4th International Symposium on Mulitvariate Analysis, 1976.
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Torsten Söderström, Lennart Ljung, Ivar Gustavsson, "Analysis of some On-Line Identification Methods", Proceedings of the 4th IFAC Symposium on Identification and System Parameter Estimation, 1976.
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Lennart Ljung, Björn Wittenmark, "On a Stabilizing Property of Adaptive Regulators", Proceedings of the 4th IFAC Symposium on Identification and System Parameter Estimation, 380-388, 1976.
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Lennart Ljung, Jorma Rissanen, "On Canonical Forms, Parameter Identifiability and the Concept of Complexity", Proceedings of the 4th IFAC Symposium on Identification and System Parameter Estimation, 58-69, 1976.
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Ivar Gustavsson, Lennart Ljung, Torsten Söderström, "Identification of Processes in Closed Loop-Identifiability and Accuracy Aspects", Proceedings of the 4th IFAC Symposium on Identification and System Parameter Estimation, 23-61, 1976.
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Peter Caines, Lennart Ljung, "Asymptotic Normality and Accuracy of Prediction Error Estimation", Proceedings of JACC 1976, 1976.
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Theses

2003
Lennart Ljung, "Utveckling av en projektivitetsmodell: om organisationers förmåga att tillämpa projektarbetsformen", FiF-avhandling - Filosofiska fakulteten – Linköpings universitet, No. 62, 2003.
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Other

2001
Lennart Ljung, "A personal recollection of Tsypkin", -, 2001.
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1988
Lennart Ljung, "System Identification Toolbox", For use with MATLAB, 1988.
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Reports

2011
Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A General Convergence Result for Particle Filtering", LiTH-ISY-R, No. 3000, 2011.
AbstractKeywordsBiBTeX
Fredrik Lindsten, Henrik Ohlsson, Lennart Ljung, "Clustering using Sum-of-Norms Regularization: With Application to Particle Filter Output Computation", LiTH-ISY-R, No. 2993, 2011.
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Fredrik Lindsten, Henrik Ohlsson, Lennart Ljung, "Just Relax and Come Clustering! A Convexification of k-Means Clustering", LiTH-ISY-R, No. 2992, 2011.
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2010
Lennart Ljung, "Approaches to Identification of Nonlinear Systems", LiTH-ISY-R, No. 2991, 2010.
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Adrian Wills, Lennart Ljung, "Wiener System Identification Using the Maximum Likelihood Method", LiTH-ISY-R, No. 2990, 2010.
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Lennart Ljung, "Perspectives on System Identification", LiTH-ISY-R, No. 2989, 2010.
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Lennart Ljung, Adrian Wills, "Issues in Sampling and Estimating Continuous-Time Models with Stochastic Disturbances", LiTH-ISY-R, No. 2988, 2010.
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Svante Björklund, Lennart Ljung, "An Improved Phase Method for Time-Delay Estimation", LiTH-ISY-R, No. 2985, 2010.
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Jiandong Wang, Qinghua Zhang, Lennart Ljung, "Revisiting Hammerstein System Identification through the Two-Stage Algorithm for Bilinear Parameter Estimation", LiTH-ISY-R, No. 2984, 2010.
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Jonas Gillberg, Lennart Ljung, "Frequency-Domain Identification of Continuous-Time ARMA Models from Sampled Data", LiTH-ISY-R, No. 2983, 2010.
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Alf Isaksson, David Törnqvist, Johan Sjöberg, Lennart Ljung, "Grey-Box Identification Based on Horizon Estimation and Nonlinear Optimization", LiTH-ISY-R, No. 2963, 2010.
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Henrik Ohlsson, Lennart Ljung, "Semi-Supervised Regression and System Identification", LiTH-ISY-R, No. 2940, 2010.
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Henrik Ohlsson, Lennart Ljung, Stephen Boyd, "Segmentation of ARX-Models using Sum-of-Norms Regularization", LiTH-ISY-R, No. 2941, 2010.
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Lennart Ljung, Henrik Ohlsson, Maite Bauwens, "On Manifolds, Climate Reconstruction and Bivalve Shells", LiTH-ISY-R, No. 2945, 2010.
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2009
Christian Lyzell, Martin Enqvist, Lennart Ljung, "Handling Certain Structure Information in Subspace Identification", LiTH-ISY-R, No. 2890, 2009.
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Christian Lyzell, Torkel Glad, Martin Enqvist, Lennart Ljung, "Identification Aspects of Ritt's Algorithm for Discrete-Time Systems", LiTH-ISY-R, No. 2891, 2009.
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Henrik Ohlsson, Lennart Ljung, "Gray-Box Identification for High-Dimensional Manifold Constrained Regression", LiTH-ISY-R, No. 2896, 2009.
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Johan Schoukens, Johan Schoukens, Lennart Ljung, "Wiener-Hammerstein Benchmark", LiTH-ISY-R, No. 2910, 2009.
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Xiao-Li Hu, Thomas Schön, Lennart Ljung, "Basic Convergence Results for Particle Filtering Methods: Theory for the Users", LiTH-ISY-R, No. 2914, 2009.
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Lennart Ljung, "Perspectives on System Identification", LiTH-ISY-R, No. 2900, 2009.
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Lennart Ljung, Adrian Wills, "Issues in Sampling and Estimating Continuous-Time Models with Stochastic Disturbances", LiTH-ISY-R, No. 2901, 2009.
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Lennart Ljung, Rajiv Singh, Qinghua Zhang, Peter Lindskog, Anatoli Iouditski, "Developments in the MathWorks System Identification Toolbox", LiTH-ISY-R, No. 2906, 2009.
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Xiao-Li Hu, Lennart Ljung, "New Convergence Results for Least Squares Identification Algorithm", LiTH-ISY-R, No. 2904, 2009.
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Jonas Gillberg, Lennart Ljung, "Frequency-Domain Identification of Continuous-Time ARMA Models from Sampled Data", LiTH-ISY-R, No. 2905, 2009.
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Anna Hagenblad, Lennart Ljung, Adrian Wills, "Maximum Likelihood Identification of Wiener models: Journal Version", LiTH-ISY-R, No. 2903, 2009.
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Anna Hagenblad, Lennart Ljung, Adrian Wills, "Maximum Likelihood Identification of Wiener Models", LiTH-ISY-R, No. 2902, 2009.
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Anatoli Judisky, Alexander Nazin, Lennart Ljung, Arkadi Nemirovski, "Minimax Confidence Intervals for Pointwise Nonparametric Regression Estimation", LiTH-ISY-R, No. 2908, 2009.
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Qinghua Zhang, Jiandong Wang, Lennart Ljung, "Optimality Analysis of the Two-Stage Algorithm for Hammerstein System Identification", LiTH-ISY-R, No. 2909, 2009.
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Lennart Ljung, "Experiments with Identification of Continuous Time Models", LiTH-ISY-R, No. 2907, 2009.
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2008
Henrik Ohlsson, Jacob Roll, Anders Brun, Hans Knutsson, Mats Andersson, Lennart Ljung, "Direct Weight Optimization Applied to Discontinuous Functions", LiTH-ISY-R, No. 2861, 2008.
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Henrik Ohlsson, Jacob Roll, Lennart Ljung, "Manifold-Constrained Regressors in System Identification", LiTH-ISY-R, No. 2859, 2008.
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Christian Lyzell, Jacob Roll, Lennart Ljung, "The Use of Nonnegative Garrote for Order Selection of ARX Models", LiTH-ISY-R, No. 2876, 2008.
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2007
Lennart Ljung, "Practical Issues of System Identification", LiTH-ISY-R, No. 2810, 2007.
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Daishi A. Murano, Lennart Ljung, Alex S. Poznyak, "Robust High-Gain DNN Observer for Nonlinear Stochastic Continuous Time Systems", LiTH-ISY-R, No. 2803, 2007.
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Torkel Glad, Anders Helmersson, Lennart Ljung, "Uncertain LTI-Models for Linear Control Design of Nonlinear Systems", LiTH-ISY-R, No. 2808, 2007.
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Weilu Lin, S. Joe Qin, Lennart Ljung, "On Consistency of Closed-Loop Subspace Identification with Innovation Estimation", LiTH-ISY-R, No. 2807, 2007.
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Lennart Ljung, "System Identification", LiTH-ISY-R, No. 2809, 2007.
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Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A Robust Particle Filter for State Estimation - with Convergence Results", LiTH-ISY-R, No. 2822, 2007.
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Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A Basic Convergence Result for Particle Filtering", LiTH-ISY-R, No. 2824, 2007.
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Alexander Nazin, Jacob Roll, Lennart Ljung, Ion Grama, "Direct Weight Optimization in Statistical Estimation and System Identification", LiTH-ISY-R, No. 2831, 2007.
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Xiao-Li Hu, Thomas Schön, Lennart Ljung, "A Basic Convergence Result for Particle Filtering", LiTH-ISY-R, No. 2781, 2007.
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Markus Gerdin, Torkel Glad, Lennart Ljung, "Global Identifiability of Complex Models, Constructed from Simple Submodels", LiTH-ISY-R, No. 2783, 2007.
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Henrik Ohlsson, Jacob Roll, Torkel Glad, Lennart Ljung, "Using Manifold Learning for Nonlinear System Identification", LiTH-ISY-R, No. 2795, 2007.
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Lennart Ljung, "Identification of Nonlinear Systems", LiTH-ISY-R, No. 2784, 2007.
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Lennart Ljung, Qinghua Zhang, Peter Lindskog, Anatoli Iouditski, Rajiv Singh, "An Integrated System Identification Toolbox for Linear and Nonlinear Models", LiTH-ISY-R, No. 2786, 2007.
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Qinghua Zhang, Anatoli Iouditski, Lennart Ljung, "Identification of Wiener Systems with Monotonous Nonlinearity", LiTH-ISY-R, No. 2787, 2007.
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Lennart Ljung, "Some Aspects on Nonlinear System Identification", LiTH-ISY-R, No. 2785, 2007.
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Lennart Ljung, Qinghua Zhang, Peter Lindskog, Anatoli Iouditski, "Estimation of Grey Box and Black Box Models for Non-Linear Circuit Data", LiTH-ISY-R, No. 2792, 2007.
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Atsushi Fujimore, Lennart Ljung, "Model Identification of Linear Parameter Varying Aircraft Systems", LiTH-ISY-R, No. 2789, 2007.
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Jimmy Johansson, David Lindgren, Matthew Cooper, Lennart Ljung, "Interactive Visualization as a Tool for Analysing Time-Varying and Non-Linear Systems", LiTH-ISY-R, No. 2790, 2007.
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Qinghua Zhang, Lennart Ljung, "Multiple Steps Prediction with Nonlinear ARX Models", LiTH-ISY-R, No. 2793, 2007.
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Anatoli Iouditski, Alexander Nazin, Jacob Roll, Lennart Ljung, "Adaptive DWO Estimator of a Regression Function", LiTH-ISY-R, No. 2794, 2007.
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David Lindgren, Lennart Ljung, "Nonlinear Dynamics Identified by Multi-Index Models", LiTH-ISY-R, No. 2791, 2007.
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S. Joe Qin, Weilu Lin, Lennart Ljung, "A Novel Subspace Identification Approach with Enforced Causal Models", LiTH-ISY-R, No. 2800, 2007.
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Fredrik Tjärnström, Lennart Ljung, "L2 Model Reduction and Variance Reduction", LiTH-ISY-R, No. 2801, 2007.
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Alexander Nazin, Jacob Roll, Lennart Ljung, "Direct Weight Optimization for Approximately Linear Functions: Optimality and Design", LiTH-ISY-R, No. 2804, 2007.
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Alexander Nazin, Jacob Roll, Lennart Ljung, "Direct Weight Optimization in Nonlinear Function Estimation and System Identification", LiTH-ISY-R, No. 2805, 2007.
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Ingela Lind, Lennart Ljung, "Regressor and Structure Selection in NARX Models Using a Structured ANOVA Approach", LiTH-ISY-R, No. 2799, 2007.
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Peter Lindskog, Lennart Ljung, "Ensuring Monotonic Gain Characteristics in Estimated Models by Fuzzy Model Structures", LiTH-ISY-R, No. 2802, 2007.
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Markus Gerdin, Thomas Schön, Torkel Glad, Fredrik Gustafsson, Lennart Ljung, "On Parameter and State Estimation for Linear Differential-Algebraic Equations", LiTH-ISY-R, No. 2779, 2007.
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Lennart Ljung, "Integrated Frequency-Time Domain Tools for System Identification", LiTH-ISY-R, No. 2796, 2007.
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Jimmy Johansson, David Lindgren, Matthew Cooper, Lennart Ljung, "Interactive Analysis of Time-Varying Systems Using Volume Graphics", LiTH-ISY-R, No. 2798, 2007.
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2005
Jonas Gillberg, Lennart Ljung, "Frequency-Domain Identification of Continuous-Time ARMA Models from Non-Uniformly Sampled Data", LiTH-ISY-R, No. 2693, 2005.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "Nonlinear System Identification Via Direct Weight Optimization", LiTH-ISY-R, No. 2696, 2005.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "A General Direct Weight Optimization Framework for Nonlinear System Identification", LiTH-ISY-R, No. 2697, 2005.
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Markus Gerdin, Torkel Glad, Lennart Ljung, "Well-Posedness of Filtering Problems for Stochastic Linear DAE Models", LiTH-ISY-R, No. 2698, 2005.
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Jacob Roll, Martin Enqvist, Lennart Ljung, "Consistent Nonparametric Estimation of NARX Systems Using Convex Optimization", LiTH-ISY-R, No. 2721, 2005.
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Martin Enqvist, Lennart Ljung, "Linear Approximations of Nonlinear FIR Systems for Separable Input Processes", LiTH-ISY-R, No. 2718, 2005.
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Torkel Glad, Anders Helmersson, Martin Enqvist, Lennart Ljung, "Controllers for Amplitude Limited Model Error Models", LiTH-ISY-R, No. 2719, 2005.
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Martin Enqvist, Lennart Ljung, "LTI Approximations of Slightly Nonlinear Systems: Some Intriguing Examples", LiTH-ISY-R, No. 2655, 2005.
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Atsushi Fujimori, lennart Ljung, "Parameter Estimation of Polytopic Models for a Linear Parameter Varying Aircraft System", LiTH-ISY-R, No. 2676, 2005.
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2004
Jonas Gillberg, Lennart Ljung, "Frequency-Domain Identification of Continuous-Time ARMA Models from Sampled Data", LiTH-ISY-R, No. 2642, 2004.
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Jonas Gillberg, Lennart Ljung, "Frequency-Domain Identification of Continuous-Time Output Error Models from Sampled Data", LiTH-ISY-R, No. 2643, 2004.
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Torkel Glad, Anders Helmersson, Lennart Ljung, "Robustness Guarantees for Linear Control Designs with an Estimated Nonlinear Model Error Model", LiTH-ISY-R, No. 2592, 2004.
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David Lindgren, Lennart Ljung, "Nonlinear Dynamics Isolated by Delaunay Triangulation Criteria", LiTH-ISY-R, No. 2598, 2004.
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Jacob Roll, Lennart Ljung, "Extending the Direct Weight Optimization Approach", LiTH-ISY-R, No. 2601, 2004.
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Ingela Lind, Lennart Ljung, "Regressor Selection with the Analysis of Variance Method", LiTH-ISY-R, No. 2626, 2004.
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2003
Rimantas Pupeikis, Dalius Navakauskas, Lennart Ljung, "Identification of Wiener Systems with Hard and Discontinuous Nonlinearities", LiTH-ISY-R, No. 2501, 2003.
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Markus Gerdin, Torkel Glad, Lennart Ljung, "Parameter Estimation in Linear Differential-Algebraic Equations", LiTH-ISY-R, No. 2515, 2003.
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Liang-Liang Xie, Lennart Ljung, "Estimate Physical Parameters by Black Box Modeling", LiTH-ISY-R, No. 2463, 2003.
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Lennart Ljung, "System Identification and Simple Process Models", LiTH-ISY-R, No. 2464, 2003.
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Pablo Parrilo, Lennart Ljung, "Initialization of Physical Parameter Estimates", LiTH-ISY-R, No. 2561, 2003.
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Lennart Ljung, "Linear System Identification as Curve Fitting", LiTH-ISY-R, No. 2466, 2003.
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Lennart Ljung, "Identification for Control: Simple Process Models", LiTH-ISY-R, No. 2465, 2003.
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Lennart Ljung, "Educational Aspects of Identification Software User Interfaces", LiTH-ISY-R, No. 2562, 2003.
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S. Joe Qin, Lennart Ljung, "Parallel QR Implementation of Subspace Identification with Parsimonious Models", LiTH-ISY-R, No. 2563, 2003.
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Lennart Ljung, "Version 6 of the System Identification Toolbox", LiTH-ISY-R, No. 2560, 2003.
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S. Joe Qin, Lennart Ljung, "Closed-loop Subspace Identification with Innovation Estimation", LiTH-ISY-R, No. 2559, 2003.
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Lennart Ljung, "Aspects and Experiences of User Choices in Subspace Identification", LiTH-ISY-R, No. 2564, 2003.
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Svante Björklund, Lennart Ljung, "A Review of Time-Delay Estimation Techniques", LiTH-ISY-R, No. 2554, 2003.
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Jacob Roll, Alberto Bemporad, Lennart Ljung, "Identification of Piecewise Affine Systems via Mixed-Integer Programming", LiTH-ISY-R, No. 2480, 2003.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "Local Modelling with A Priori Known Bounds Using Direct Weight Optimization", LiTH-ISY-R, No. 2484, 2003.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "Local Modelling of Nonlinear Dynamic Systems Using Direct Weight Optimization", LiTH-ISY-R, No. 2483, 2003.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "A Non-Asymptotic Approach to Local Modelling", LiTH-ISY-R, No. 2482, 2003.
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2002
David Lindgren, Lennart Ljung, "Clustered Regression Analysis", LiTH-ISY-R, No. 2456, 2002.
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Martin Enqvist, Lennart Ljung, "Estimating Nonlinear Systems in a Neighborhood of LTI-approximants", LiTH-ISY-R, No. 2459, 2002.
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Ingela Lind, Lennart Ljung, "Structure Selection with ANOVA: Local Linear Models", LiTH-ISY-R, No. 2478, 2002.
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Fredrik Tjärnström, Lennart Ljung, "Minimizing the Variance of Transfer Function Estimates", LiTH-ISY-R, No. 2304, 2002.
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Jacob Roll, Alexander Nazin, Lennart Ljung, "Non-Asymptotic Optimal Guaranteed MSE Function Estimation", LiTH-ISY-R, No. 2415, 2002.
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2001
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Lennart Ljung, "Black-box Models from Input-output Measurements", LiTH-ISY-R, No. 2362, 2001.
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Lennart Ljung, "Prediction Error Estimation Methods", LiTH-ISY-R, No. 2365, 2001.
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Lennart Ljung, "Linear Time-Invariant Models of Non-Linear Time-Varying Systems", LiTH-ISY-R, No. 2363, 2001.
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Liang-Liang Xie, Lennart Ljung, "Variance Expressions for Spectra Estimated Using Auto-Regressions", LiTH-ISY-R, No. 2361, 2001.
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Lennart Ljung, "Recursive Identification Algorithms", LiTH-ISY-R, No. 2366, 2001.
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Alberto Bemporad, Jacob Roll, Lennart Ljung, "Identification of Hybrid Systems via Mixed-Integer Programming", LiTH-ISY-R, No. 2397, 2001.
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Wolfgang Reinelt, Lennart Ljung, Andrea Garulli, "Comparing Different Approaches to Model Error Modeling in Robust Identification (Revised version)", LiTH-ISY-R, No. 2353, 2001.
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Fredrik Tjärnström, lennart Ljung, "Variance Properties of a Two-Step ARX Estimation Procedure", LiTH-ISY-R, No. 2393, 2001.
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Vincent Verdult, Lennart Ljung, Michael Verhaegen, "Identification of Composite Local Linear State-Space Models using a Projected Gradient Search", LiTH-ISY-R, No. 2359, 2001.
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2000
Wolfgang Reinelt, Lennart Ljung, Andrea Garulli, "Comparing Different Approaches to Model Error Modeling in Robust Identification", LiTH-ISY-R, No. 2293, 2000.
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Anna Hagenblad, Lennart Ljung, "Maximum Likelihood Estimation of Wiener Models", LiTH-ISY-R, No. 2308, 2000.
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Lennart Ljung, "Model Error Modeling and Control Design", LiTH-ISY-R, No. 2220, 2000.
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Dietmar Bauer, Lennart Ljung, "Some facts about the Choice of the Weighting Matrices in Larimore Type of Subspace Algorithms", LiTH-ISY-R, No. 2305, 2000.
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Liang-Liang Xie, Lennart Ljung, "Aspects of the Interpretation of Disturbances in System Identification", LiTH-ISY-R, No. 2290, 2000.
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Ragnar Wallin, Alf Isaksson, Lennart Ljung, "An Iterative Method for Identification of ARX Models from Incomplete Data", LiTH-ISY-R, No. 2306, 2000.
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Fredrik Tjärnström, Lennart Ljung, "L2 Model reduction and Variance Reduction - Extended Version", LiTH-ISY-R, No. 2310, 2000.
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Liang-Liang Xie, Lennart Ljung, "Asymptotic Variance Expressions for Estimated Frequency Functions", LiTH-ISY-R, No. 2277, 2000.
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Wolfgang Reinelt, Lennart Ljung, "Robust Control of Identified Models with Mixed Parametric and Non-Parametric Uncertainties", LiTH-ISY-R, No. 2319, 2000.
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1999
Wolfgang Reinelt, Andrea Garulli, Lennart Ljung, Julio H. Braslavsky, Antonio Vicino, "Model Error Concepts in Identification for Control", LiTH-ISY-R, No. 2188, 1999.
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Tomas McKelvey, lennart Ljung, "Frequency Domain Maximum Likelihood Identification", LiTH-ISY-R, No. 2131, 1999.
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Fredrik Tjärnström, Lennart Ljung, "L2 Model Reduction and Variance Reduction", LiTH-ISY-R, No. 2158, 1999.
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Lennart Ljung, "ENSYM-Project Oriented Study 1998 Team 2, Final report", LiTH-ISY-R, No. 2114, 1999.
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Anders Stenman, Fredrik Gustafsson, Daniel E. Rivera, Lennart Ljung, Tomas McKelvey, "On Adaptive Smoothing of Empirical Transfer Function Estimates", LiTH-ISY-R, No. 2118, 1999.
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Lennart Ljung, Urban Forssell, "Bias, Variance and Optimal Experiment Design: Some Comments on Closed Loop Identification", LiTH-ISY-R, No. 2100, 1999.
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Lennart Ljung, Tomas McKelvey, "Interpretation of Subspace Methods: Consistency Analysis", LiTH-ISY-R, No. 2103, 1999.
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Lennart Ljung, "Model Validation and Model Error Modeling", LiTH-ISY-R, No. 2125, 1999.
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Lennart Ljung, "Comments on Model Validation as Set Membership Identification", LiTH-ISY-R, No. 2122, 1999.
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Lennart Ljung, "Developments for the System Identification Toolbox for MATLAB", LiTH-ISY-R, No. 2102, 1999.
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Michel Gevers, Lennart Ljung, Paul M. J. Van den Hof, "Asymptotic Variance Expressions for Closed-Loop Identification and their Relevance in Identification for Control", LiTH-ISY-R, No. 2128, 1999.
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Niclas Bergman, Lennart Ljung, Fredrik Gustafsson, "Terrain Navigation using Bayesian Statistics", LiTH-ISY-R, No. 2139, 1999.
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Torkel Glad, Lennart Ljung, "Identifiability with Constraints", LiTH-ISY-R, No. 2129, 1999.
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1998
Lennart Ljung, Urban Forssell, "Closed-Loop Identification Revisited - Updated Version", LiTH-ISY-R, No. 2021, 1998.
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Anders Stenman, Fredrik Gustafsson, Daniel Rivera, Lennart Ljung, Tomas McKelvey, "On Adaptive Smoothing of Empirical Transfer Function Estimates", LiTH-ISY-R, No. 2036, 1998.
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Urban Forssell, lennart Ljung, "A Projection Method for Closed-Loop Identification", LiTH-ISY-R, No. 2080, 1998.
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Anna Hagenblad, Lennart Ljung, "Maximum Likelihood Identification of Wiener Models with a Linear Regression Initialization", LiTH-ISY-R, No. 2051, 1998.
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Lennart Ljung, "Identification for Control - What is there to learn?", LiTH-ISY-R, No. 1996, 1998.
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Urban Forssell, Lennart Ljung, "Identification for Control: Some Results on Optimal Experiment Design", LiTH-ISY-R, No. 2014, 1998.
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1997
Lennart Ljung, Urban Forssell, "An Alternative Motivation for the Indirect Approach to Closed-Loop Identification", LiTH-ISY-R, No. 1989, 1997.
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Urban Forssell, Lennart Ljung, "Issues in Closed-Loop Identification", LiTH-ISY-R, No. 1940, 1997.
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Peter Lindskog, Lennart Ljung, "Ensuring Certain Physical Properties in Black Box Models by Applying Fuzzy Techniques", LiTH-ISY-R, No. 1942, 1997.
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Urban Forssell, Lennart Ljung, "Tracking Time-Varying Systems: Revisiting Some Basic Trade-offs", LiTH-ISY-R, No. 1944, 1997.
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Urban Forssell, Lennart Ljung, "Closed-Loop Identification Revisited", LiTH-ISY-R, No. 1959, 1997.
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Lennart Ljung, Urban Forssell, "Variance Results for Closed-Loop Identification Methods", LiTH-ISY-R, No. 1976, 1997.
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Urban Forssell, Lennart Ljung, "A Projection Method for Closed-Loop Identification", LiTH-ISY-R, No. 1984, 1997.
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Urban Forssell, Lennart Ljung, "Identification of Unstable Systems using Output Error and Box-Jenkins Model Structures", LiTH-ISY-R, No. 1988, 1997.
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Niclas Bergman, Lennart Ljung, Fredrik Gustafsson, "Point-Mass Filter and Cramer-Rao Bound for Terrain-Aided Navigation", LiTH-ISY-R, No. 1987, 1997.
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1996
Lennart Ljung, Roger Germundsson, Johan Gunnarsson, Inger Klein, Jonas Plantin, Jan-Erik Strömberg, "Hybrid and Discrete Systems in Automatic Control - Some New (Linköping) Approaches", LiTH-ISY-R, No. 1843, 1996.
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Anders Stenman, Fredrik Gustafsson, Lennart Ljung, "Just-in-Time Models for Dynamical Systems", LiTH-ISY-R, No. 1882, 1996.
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Lennart Ljung, "PAC-Learning and Asymptotic System Identification Theory", LiTH-ISY-R, No. 1884, 1996.
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Håkan Hjalmarsson, Jonas Sjöberg, Lennart Ljung, "On Neural Network Model Structure in System Identification", LiTH-ISY-R, No. 1895, 1996.
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Lei Guo, Lennart Ljung, Guan-Jun Wang, "Necessary and Sufficient Conditions for Stability of LMS", LiTH-ISY-R, No. 1893, 1996.
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Lennart Ljung, Tomas McKelvey, "A Least Squares Interpretation of Sub-Space Methods for System Identification", LiTH-ISY-R, No. 1900, 1996.
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Lennart Ljung, "Development of System Identification", LiTH-ISY-R, No. 1910, 1996.
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Lennart Ljung, Lei Guo, "Classical Model Validation for Control Design Purposes", LiTH-ISY-R, No. 1816, 1996.
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Peter Lindskog, Lennart Ljung, "Tools for semi-physical modelling", LiTH-ISY-R, No. 1820, 1996.
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Hüseyin Akçay, Håkan Hjalmarsson, Lennart Ljung, "On the Choice of Norms in System Identification", LiTH-ISY-R, No. 1832, 1996.
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1995
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Anatoli Juditsky, Håkan Hjalmarsson, Albert Benveniste, Bernard Deylon, Lennart Ljung, Jonas Sjöberg, Qinghua Zhang, "Nonlinear Black-Box Modeling in System Identification: Mathematical Foundations", LiTH-ISY-R, No. 1743, 1995.
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Jonas Sjöberg, Qinghua Zhang, Lennart Ljung, Albert Benveniste, Bernard Deylon, Pierre-Yves Glorennec, Håkan Hjalmarsson, Anatoli Juditsky, "Nonlinear Black-Box Modeling in System Identification: a Unified Overview", LiTH-ISY-R, No. 1742, 1995.
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Lennart Ljung, Tomas McKelvey, "Subspace Identification Methods for Closed Loop Input-Output Data", LiTH-ISY-R, No. 1752, 1995.
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Lennart Ljung, "Nonlinear Black-Box Modeling in System Identification", LiTH-ISY-R, No. 1770, 1995.
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Tomas McKelvey, Thomas Abrahamsson, Lennart Ljung, "Vibration Data Analysis for a Commercial Aircraft", LiTH-ISY-R, No. 1773, 1995.
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Lennart Ljung, Håkan Hjalmarsson, "System Identification through the Eyes of Model Validation", LiTH-ISY-R, No. 1794, 1995.
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Lei Guo, Lennart Ljung, Guan-Jun Wang, "Necessary and Sufficient Conditions for Stability of LMS", LiTH-ISY-R, No. 1805, 1995.
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Lennart Ljung, "Some Aspects of Nonlinear Black-Box Modeling in System Identification", LiTH-ISY-R, No. 1795, 1995.
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Lennart Ljung, Lei Guo, "The Role of Model Validation for Assessing the Size of the Unmodeled Dynamics", LiTH-ISY-R, No. 1803, 1995.
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Steve Niu, Lennart Ljung, "Multiple Model Parameter Estimation", LiTH-ISY-R, No. 1711, 1995.
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Fredrik Gustafsson, Svante Gunnarsson, Lennart Ljung, "On Time-Frequency Resolution of Signal Properties using Parametric Techniques", LiTH-ISY-R, No. 1709, 1995.
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Steve S. Niu, D. Grant Fisher, Lennart Ljung, Sirish L. Shah, "A Tutorial On Multiple Model Least-Squares and Augmented UD Identification", LiTH-ISY-R, No. 1710, 1995.
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Steve S. Niu, Lennart Ljung, Åke Björk, "Decomposition Methods for Solving Least-Squares Parameter Estimation", LiTH-ISY-R, No. 1712, 1995.
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1994
Jonas Sjöberg, Lennart Ljung, "Overtraining, Regularization, And Searching For Minimum With Application To Neural Networks", LiTH-ISY-R, No. 1567, 1994.
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Lei Guo, Lennart Ljung, "Exponential Stability of General Tracking Algorithms", LiTH-ISY-R, No. 1568, 1994.
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Lennart Ljung, "System Identification in a MIC Perspective", LiTH-ISY-R, No. 1569, 1994.
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Tomas McKelvey, Hüseyin Akçay, Lennart Ljung, "Efficient Construction of Transfer Functions from Frequency Response Data", LiTH-ISY-R, No. 1609, 1994.
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Torbjörn Andersson, Predrag Pucar, Lennart Ljung, "Identification Aspects of Inter-Sampling Behavior", LiTH-ISY-R, No. 1606, 1994.
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Håkan Hjalmarsson, Lennart Ljung, "A Unifying View of Disturbances in Identification", LiTH-ISY-R, No. 1616, 1994.
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Jonas Sjöberg, Håkan Hjalmarsson, Lennart Ljung, "Neural Networks in System Identification", LiTH-ISY-R, No. 1622, 1994.
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Lennart Ljung, Yucai Zhu, Peter van Overschee, Bart de Moor, "Comparison of Three Classes of Identification Methods", LiTH-ISY-R, No. 1621, 1994.
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Hüseyin Akçay, Lennart Ljung, Håkan Hjalmarsson, "On the Choice of Norms in System Identification", LiTH-ISY-R, No. 1560, 1994.
AbstractKeywordsBiBTeX
Lennart Ljung, "Building Models from Frequency Domain Data", LiTH-ISY-R, No. 1566, 1994.
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Tomas McKelvey, Hüseyin Akçay, Lennart Ljung, "Identification of Infinite Dimensional Systems from Frequency Response Data", LiTH-ISY-R, No. 1681, 1994.
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Hüseyin Akçay, Håkan Hjalmarsson, Lennart Ljung, "On the Choice of Norms in System Identification", LiTH-ISY-R, No. 1560, 1994.
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Lennart Ljung, "O tochnosti modeli v identifikatsh sistem", LiTH-ISY-R, No. 1633, 1994.
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Lennart Ljung, "From Data to Model: A Guided Tour of System Identification", LiTH-ISY-R, No. 1652, 1994.
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Lennart Ljung, "Aspects on Accelerated Convergence in Stochastic Approximation Schemes", LiTH-ISY-R, No. 1663, 1994.
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Lei Guo, Lennart Ljung, "Performance Analysis of General Tracking Algorithms", LiTH-ISY-R, No. 1664, 1994.
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lei Guo, Lennart Ljung, "The Role of Model Validation for Assessing the Size of the Unmodelled Dynamics", LiTH-ISY-R, No. 1665, 1994.
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Lennart Ljung, "O tochnosti modeli v identifikatsh sistem", LiTH-ISY-R, No. 1633, 1994.
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1993
Mats Viberg, Björn Ottersten, Bo Wahlberg, Lennart Ljung, "Performance of Subspace based State-Space System Identification Methods", LiTH-ISY-R, No. 1459, 1993.
AbstractKeywordsBiBTeX
Lennart Ljung, "Modelling of Industrial Systems", LiTH-ISY-R, No. 1457, 1993.
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Lennart Ljung, Torkel Glad, Torbjörn Andersson, "Identifiability Implies Robust Identifiability", LiTH-ISY-R, No. 1466, 1993.
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Lennart Ljung, "Projects in System Identification", LiTH-ISY-R, No. 1481, 1993.
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Fredrik Gustafsson, Svante Gunnarsson, Lennart Ljung, "On Time-Frequency Resolution of Signal Properties using Parametric Techniques", LiTH-ISY-R, No. 1511, 1993.
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Håkan Hjalmarsson, Lennart Ljung, "A Discussion of Unknown-but-Bounded Disturbances in System Identification", LiTH-ISY-R, No. 1537, 1993.
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Lennart Ljung, "Some Results on Identifying Linear Systems Using Frequency Domain Data", LiTH-ISY-R, No. 1538, 1993.
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Lennart Ljung, "Perspectives on the Process of Identification", LiTH-ISY-R, No. 1531, 1993.
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Lennart Ljung, "Information Contents in Identification Data from Closed-Loop Operation", LiTH-ISY-R, No. 1551, 1993.
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Tomas Abrahamsson, Tomas McKelvey, Lennart Ljung, "A Study of some Approaches to Vibration Data Analysis", LiTH-ISY-R, No. 1600, 1993.
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1992
Lennart Ljung, Jonas Sjöberg, "A Comment on Leakage in Adaptive Algorithms", LiTH-ISY-I, No. 1344, 1992.
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Peter Nagy, Lennart Ljung, "Third Generation Software for System Identification: Motivations, Tools and Experiments", LiTH-ISY-I, No. 1346, 1992.
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Bo Egardt, C. Richard Johnson, Jr, Lennart Ljung, Geoffrey A. Williamson, "Adaptive Systems Performance in the Frequency Domain", LiTH-ISY-I, No. 1356, 1992.
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Lennart Ljung, "Identification of Linear Systems", LiTH-ISY-I, No. 1360, 1992.
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Lennart Ljung, "Optimal and Ad Hoc Adaptation Mechanisms", LiTH-ISY-I, No. 1366, 1992.
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Lennart Ljung, Jonas Sjöberg, "A System Identification Perspective on Neural Nets", LiTH-ISY-I, No. 1373, 1992.
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Bo Egardt, C. Richard Johnson, Jr, Lennart Ljung, Geoffrey A. Williamson, "Adaptive Systems Performance in the Frequency Domain", LiTH-ISY-I, No. 1374, 1992.
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Håkan Hjalmarsson, Lennart Ljung, "Estimating Model Variance in the Case of Undermodeling", LiTH-ISY-I, No. 1418, 1992.
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Karl J. Åström, Albert Benveniste, Peter E. Caines, Guy Cohen, Lennart Ljung, "Facing the Challenge of Computer Science in the Industrial Applications of Control", LiTH-ISY-I, No. 1432, 1992.
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Lei Guo, Lennart Ljung, Pierre Priouret, "Performance Analysis of the Forgetting Factor RLS Algorithms", LiTH-ISY-I, No. 1433, 1992.
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Jan-Erik Strömberg, Alf Isaksson, Lennart Ljung, "Towards Online Tree Construction", LiTH-ISY-I, No. 1377, 1992.
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Lennart Ljung, Jonas Sjöberg, Tomas McKelvey, "On the Use of Regularization in System Identification", LiTH-ISY-I, No. 1379, 1992.
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Lei Guo, Lennart Ljung, Pierre Priouret, "Tracking Performance Analysis of the Forgetting Factor RLS Algorithm", LiTH-ISY-I, No. 1393, 1992.
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Fredrik Gustafsson, Lennart Ljung, "On the Estimation of Tire-Road Friction", LiTH-ISY-I, No. 1405, 1992.
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1991
Peter Nagy, Lennart Ljung, "System Identification using Bond Graphs", LiTH-ISY-I, No. 1337, 1991.
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Peter Nagy, Lennart Ljung, "Computer-Aided Model Structure Selection", LiTH-ISY-I, No. 1190, 1991.
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Peter Nagy, Lennart Ljung, "Estimating Time-Delays via State-Space Identification Methods", LiTH-ISY-I, No. 1193, 1991.
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Anders Skeppstedt, Lennart Ljung, Mille Millnert, "Construction of Composite Models from Observed Data", LiTH-ISY-I, No. 1198, 1991.
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Peter Nagy, Lennart Ljung, "System Identification using Bond Graphs", LiTH-ISY-I, No. 1204, 1991.
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R. B. Freund, Geoffrey. A. Williamson, C. Richard Johnson, Jr, Lennart Ljung, "Cascade Realization of an Adaptive FIR Filter: Global Properties of the Average Squared Prediction Error Surface", LiTH-ISY-I, No. 1233, 1991.
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R. B. Freund, Geoffrey. A. Williamson, C. Richard Johnson, Jr, Lennart Ljung, "Alternate Realizations of an Adaptive FIR Filter: Properties of the Average Squared Prediction Error Surface", LiTH-ISY-I, No. 1239, 1991.
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Alf Isaksson, Lennart Ljung, Jan-Erik Strömberg, "On Recursive Construction of Trees as Models of Dynamical Systems", LiTH-ISY-I, No. 1246, 1991.
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Lennart Ljung, Bo Wahlberg, Håkan Hjalmarsson, "Model Quality: The Role of Prior Knowledge and Data Information", LiTH-ISY-I, No. 1254, 1991.
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Mats Viberg, Björn Ottersten, Bo Wahlberg, Lennart Ljung, "A Statistical Perspective on State-Space Modelling using Subspace Methods", LiTH-ISY-I, No. 1269, 1991.
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Bo Egardt, C. Richard Johnson, Jr, Lennart Ljung, Geoffrey A. Williamson, "Adaptive Systems Performance in the Frequency Domain", LiTH-ISY-I, No. 1285, 1991.
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Lennart Ljung, "General Structure of Adaptive Algorithms: Adaptation and Tracking", LiTH-ISY-I, No. 1294, 1991.
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Lennart Ljung, Jonas Sjöberg, "Overtraining, Regularization and Searching for Minimum in Neural Networks", LiTH-ISY-I, No. 1297, 1991.
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Lennart Ljung, "Applications to Adaptation Algorithms", LiTH-ISY-I, No. 1298, 1991.
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Lennart Ljung, Jonas Sjöberg, "A Comment on Leakage in Adaptive Algorithms", LiTH-ISY-I, No. 1304, 1991.
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Lennart Ljung, Pierre Priouret, "Remarks on the Mean Square Tracking Error", LiTH-ISY-I, No. 1305, 1991.
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Lennart Ljung, "A Discussion of Model Accuracy in System Identification", LiTH-ISY-I, No. 1307, 1991.
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Torkel Glad, Lennart Ljung, "On Global Identifiability for Arbitrary Model Parametrization", LiTH-ISY-I, No. 1308, 1991.
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Lennart Ljung, "Issues in system identification", LiTH-ISY-I, No. 1125, 1991.
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Lennart Ljung, "Automatic Control and Artificial Intelligence: An Integrated Approach", LiTH-ISY-I, No. 1179, 1991.
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Bo Wahlberg, Lennart Ljung, Torsten Söderström, "On Sampling and Reconstruction of Continuous Time Stochastic Systems", LiTH-ISY-I, No. 1182, 1991.
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Torkel Glad, Lennart Ljung, "Testing Global Identifiability for Arbitrary Model Parametrizations", LiTH-ISY-I, No. 1183, 1991.
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Lennart Ljung, Pierre Priouret, "A Result of the Mean Square Error Obtained using General Tracking Algorithms", LiTH-ISY-I, No. 1185, 1991.
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Krister Forsman, Lennart Ljung, "On the Dead-Zone in System Identification", LiTH-ISY-I, No. 1184, 1991.
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Bo Wahlberg, Lennart Ljung, "On Estimation of Transfer Function Error Bounds", LiTH-ISY-I, No. 1186, 1991.
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Håkan Hjalmarsson, Lennart Ljung, Bo Wahlberg, "Assessing Model Quality from Data", LiTH-ISY-I, No. 1187, 1991.
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1990
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Anders Skeppstedt, Lennart Ljung, Mille Millnert, "Construction of Composite Models from Observed Data", LiTH-ISY-I, No. 1071, 1990.
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Torkel Glad, Lennart Ljung, "Model Structure Identifiability and Persistence of Excitation", LiTH-ISY-I, No. 1070, 1990.
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Håkan Hjalmarsson, Lennart Ljung, "How to Estimate Model Uncertainty in the Case of Under-Modelling", LiTH-ISY-I, No. 1067, 1990.
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Lennart Ljung, Bo Wahlberg, "Influence of Model Order on Change Detection in Noise-Free Complex Systems", LiTH-ISY-I, No. 1066, 1990.
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Bo Wahlberg, Lennart Ljung, "On Estimation of Transfer Function Error Bounds", LiTH-ISY-I, No. 1063, 1990.
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Jan-Erik Strömberg, Fredrik Gustafsson, Lennart Ljung, "Trees as Black-Box Model Structures for Dynamical Systems", LiTH-ISY-I, No. 1122, 1990.
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Lennart Ljung, "Model Accuracy in System Identification", LiTH-ISY-I, No. 1132, 1990.
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Bo Wahlberg, Lennart Ljung, "Hard Frequency-Domain Model Error Bounds from Least-Squares Like Identification Techniques", LiTH-ISY-I, No. 1144, 1990.
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1989
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Peter Nagy, Lennart Ljung, "An Intelligent Tool for System Identification", LiTH-ISY-I, No. 988, 1989.
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Björn Ottersten, Lennart Ljung, "Asymptotic Results for Sensor Array Processing", LiTH-ISY-I, No. 986, 1989.
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Krister Forsman, Lennart Ljung, Mille Millnert, Anders Skeppstedt, "Merging 'Reasoning' and Filtering in a Bayesian Framework: Some Sensitivity and Optimality Aspects", LiTH-ISY-I, No. 981, 1989.
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Björn Ottersten, Lennart Ljung, "Asymptotic Results for a Sensor Array Processing", LiTH-ISY-I, No. 973, 1989.
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Krister Forsman, Lennart Ljung, Mille Millnert, Anders Skeppstedt, "Merging 'Reasoning' and Filtering in a Bayesian Framework: Some Sensitivity and Optimality Aspects", LiTH-ISY-I, No. 1025, 1989.
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Lennart Ljung, "An Estimate of the Tracking Ability of Adaptive Algorithms", LiTH-ISY-I, No. 1024, 1989.
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Jalel Zrida, Lennart Ljung, "A Matlab Implementation of Stochastic and Classification Tree Manipulations", LiTH-ISY-I, No. 1021, 1989.
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Torkel Glad, Lennart Ljung, "Parameterization of Nonlinear Model Structures as Linear Regression", LiTH-ISY-I, No. 1012, 1989.
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1988
Lennart Ljung, "Signals, Noises and Model Errors", LiTH-ISY-I, No. 913, 1988.
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Lennart Ljung, "Modelling and Identification for Simulation", LiTH-ISY-I, No. 909, 1988.
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Lennart Ljung, "Adaptation and Tracking in System Identification", LiTH-ISY-I, No. 908, 1988.
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Ke Wang, Lennart Ljung, "A Discussion of Adaptive Stabilization and Robust Adaptive Control", LiTH-ISY-I, No. 901, 1988.
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Lennart Ljung, Svante Gunnarsson, "Adaptation and Tracking in System Identification", LiTH-ISY-I, No. 955, 1988.
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Lennart Ljung, "System Identification in a Noise Free Environment", LiTH-ISY-I, No. 953, 1988.
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1987
Lennart Ljung, "On the Estimation of Transfer Functions", LiTH-ISY-I, No. 886, 1987.
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Lennart Ljung, "On the Estimation of Transfer Functions", LiTH-ISY-I, No. 885, 1987.
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Eva Trulsson, Lennart Ljung, "On Self-Robustification of Adaptive Control Performance Criteria", LiTH-ISY-I, No. 884, 1987.
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Lennart Ljung, "A Non-Probabilistic Framework for Signal Spectra", LiTH-ISY-I, No. 882, 1987.
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Lennart Ljung, "Identification Theory and Single Realization Behaviour", LiTH-ISY-I, No. 879, 1987.
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Lennart Ljung, "System Identification, Model Simplification and the Design Objective", LiTH-ISY-I, No. 878, 1987.
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Svante Gunnarsson, Lennart Ljung, "Frequency Domain Tracking Characteristics of Adaptive Algorithms", LiTH-ISY-I, No. 868, 1987.
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1986
Lennart Ljung, "Identification Theory and Signle Realization Behaviour", LiTH-ISY-I, No. 836, 1986.
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Eva Trulsson, Lennart Ljung, "On Self-Robustification of Adaptive Control Performance Criteria", LiTH-ISY-I, No. 835, 1986.
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Michel Gevers, Lennart Ljung, "Benefits of Feedback in Experiment Design", LiTH-ISY-I, No. 833, 1986.
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Lennart Ljung, "Building Models for a Specified Purpose using System Identification", LiTH-ISY-I, No. 832, 1986.
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Lennart Ljung, "On the Estimation of Transfer Functions", LiTH-ISY-I, No. 831, 1986.
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Lennart Ljung, "A Non-Probabilistic Framework for Signal Spectra", LiTH-ISY-I, No. 829, 1986.
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Lennart Ljung, "System Identification: Design Variables and the Design Objective", LiTH-ISY-I, No. 822, 1986.
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1985
Eva Trulsson, Lennart Ljung, "Stability in Adaptive Control by Persistently Exciting Regulators", LiTH-ISY-I, No. 734, 1985.
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Farhat Fnaiech, Lennart Ljung, "On the Identification and Adaptive Control of Bilinear Systems", LiTH-ISY-I, No. 732, 1985.
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Lennart Ljung, "System Identification", LiTH-ISY-I, No. 719, 1985.
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Lennart Ljung, "System Identification: An Expository Survey", LiTH-ISY-I, No. 767, 1985.
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Farhat Fnaiech, Lennart Ljung, "Recursive Identification of Bilinear Systems", LiTH-ISY-I, No. 766, 1985.
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Vladimir Vasiljev, Lennart Ljung, "On Automatic Adjustment of the Sampling Period", LiTH-ISY-I, No. 765, 1985.
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Lennart Ljung, "An Elementary Proof of the Discrete-Time Separation Theorem", LiTH-ISY-I, No. 756, 1985.
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Bo Wahlberg, Lennart Ljung, "Design Variables for Bias Distribution in Transfer Function Estimation. Version II", LiTH-ISY-I, No. 747, 1985.
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Michel Gevers, Lennart Ljung, "Optimal Experimental Designs with Respect to the Intended Model Application", LiTH-ISY-I, No. 743, 1985.
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Lennart Ljung, "Recursive Techniques for Identifying Dynamic Systems", LiTH-ISY-I, No. 740, 1985.
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1984
Lennart Ljung, "Adaptation using Recursive Parameter Estimation", LiTH-ISY-I, No. 710, 1984.
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Lennart Ljung, "On the Estimation of Transfer Functions", LiTH-ISY-I, No. 692, 1984.
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Michel Gevers, Lennart Ljung, "Benefits of Feedback in Experiment Design", LiTH-ISY-I, No. 691, 1984.
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Bo Wahlberg, Lennart Ljung, "Design Variables for Bias Distribution in Transfer Function Estimation", LiTH-ISY-I, No. 683, 1984.
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Lennart Ljung, "Frequency Domain Properties of Identified Transfer Functions", LiTH-ISY-I, No. 668, 1984.
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Lennart Ljung, "Estimation of Transfer Functions", LiTH-ISY-I, No. 656, 1984.
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Lennart Ljung, Zhen-Dong Yuan, "Asymptotic Properties of Black-Box Identification of Transfer Functions", LiTH-ISY-I, No. 645, 1984.
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1983
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Lennart Ljung, Eva Trulsson, Mille Millnert, "Nya ansatser till adaptiv reglering", LiTH-ISY-I, No. 634, 1983.
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Lennart Ljung, "Advanced Process Control", LiTH-ISY-I, No. 633, 1983.
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Lennart Ljung, Zhen-Dong Yuan, "Properties of Non-Parametric Time-Domain Methods for Estimating Transfer Functions", LiTH-ISY-I, No. 623, 1983.
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Zhen-Dong Yuan, Lennart Ljung, "Unprejudiced Optimal Input Design for Identification of Transfer Functions", LiTH-ISY-I, No. 622, 1983.
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Stefan Ljung, Lennart Ljung, "Error Propagation Properties of Recursive Least Squares Adaptation Algorithms", LiTH-ISY-I, No. 620, 1983.
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Torkel Glad, Lennart Ljung, "Velocity Estimation from Irregular, Noisy Position Measurements", LiTH-ISY-I, No. 619, 1983.
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Lennart Ljung, "Recursive Identification of Stochastic, Dynamical Systems", LiTH-ISY-I, No. 590, 1983.
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Lennart Ljung, "Estimation of Parameters in Dynamical Systems", LiTH-ISY-I, No. 589, 1983.
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Richard C. Johnson, Jr, Lennart Ljung, "On Possible Convergence Points for Reduced-Order Indirect Adaptive Pole Placement", LiTH-ISY-I, No. 582, 1983.
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Lennart Ljung, Zhen-Dong Yuan, "Properties of Non-Parametric Time-Domain Methods for Estimating Transfer Functions", LiTH-ISY-I, No. 570, 1983.
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1982
Bengt Bengtsson, Lennart Ljung, Mille Millnert, "Reglerproblem för Händelsestörda och Händelsestyrda System", LiTH-ISY-I, No. 562, 1982.
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Lennart Ljung, "Recursive Identification Techniques", LiTH-ISY-I, No. 561, 1982.
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Yuan Zhen-Dong, Lennart Ljung, "Optimal Input Design by Frequency Domain Criteria", LiTH-ISY-I, No. 560, 1982.
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Lennart Ljung, Eva Trulsson, "Adaptive Minimization of Control Performance Criteria", LiTH-ISY-I, No. 548, 1982.
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Lennart Ljung, "Recursive Identification Methods for Off-Line Identification Problems", LiTH-ISY-I, No. 536, 1982.
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Eva Trulsson, Lennart Ljung, "Direct Minimization Methods for Adaptive Control of Non-Minimum Phase System", LiTH-ISY-I, No. 535, 1982.
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Lennart Ljung, "Overview of the System Identification Problem", LiTH-ISY-I, No. 534, 1982.
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Lennart Ljung, "Recursive Identification Techniques", LiTH-ISY-I, No. 503, 1982.
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Lennart Ljung, "System Identification and Adaptive Control", LiTH-ISY-I, No. 502, 1982.
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1981
Thomas Kailath, Lennart Ljung, "Strict Sense State-Space Realization of non Stationary Gaussian Processes", LiTH-ISY-I, No. 448, 1981.
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Lennart Ljung, "On the Positive-Real Condition in Adaptive Control", LiTH-ISY-I, No. 447, 1981.
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Thomas Kailath, Lennart Ljung, Martin Morf, "Recursive Input-Output and State Space Solutions for Continuous-Time Linear Estimation Problems", LiTH-ISY-I, No. 446, 1981.
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Lennart Ljung, Eva Trulsson, "Adaptive Control based on Explicit Criterion Minimization (Conference Version)", LiTH-ISY-I, No. 445, 1981.
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Lennart Ljung, "Aspects on the System Identification Problem", LiTH-ISY-I, No. 486, 1981.
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Benjamin Friedlander, Lennart Ljung, Martin Morf, "Lattice Implementation of the Recursive Maximum Likelihood Algorithm", LiTH-ISY-I, No. 472, 1981.
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Eva Trulsson, Lennart Ljung, "Direct Minimization Methods for Adaptive Control of Non-Minimum Phase System", LiTH-ISY-I, No. 469, 1981.
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Lennart Ljung, "System Identification", LiTH-ISY-I, No. 457, 1981.
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Peter Andersson, Lennart Ljung, "A Test Case for Adaptive Control: Car Steering", LiTH-ISY-I, No. 456, 1981.
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1980
Lennart Ljung, "Recursive Identification", LiTH-ISY-I, No. 417, 1980.
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Lennart Ljung, Eva Trulsson, "Adaptive Control based on Explicit Criterion Minimization", LiTH-ISY-I, No. 401, 1980.
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A J M van Overbeek, Lennart Ljung, "On-Line Structure Selection for Multivariable State Space Models", LiTH-ISY-I, No. 393, 1980.
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Stefan Ljung, Lennart Ljung, "Fast Numerical Solution of Fredholm Integral Equations with Stationary Kernels", LiTH-ISY-I, No. 381, 1980.
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Ivar Gustavsson, Lennart Ljung, Torsten Söderström, "Choice and Effect of Different Feedback Configurations for Identification Experiments", LiTH-ISY-I, No. 374, 1980.
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1979
Lennart Ljung, "Fast Algorithms for Recursive Estimation and Identification", LiTH-ISY-I, No. 333, 1979.
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Lennart Ljung, Stefan Ljung, "Snabb lösning av integralekvationer för tekniska problem", LiTH-ISY-I, No. 322, 1979.
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Lennart Ljung, Keith Glover, "Frequency Domain versus Time Domain Methods in System Identification: A Brief Discussion", LiTH-ISY-I, No. 193, 1979.
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Lennart Ljung, "Asymptotic Theory of Prediction Error Estimation Methods", LiTH-ISY-I, No. 279, 1979.
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A J M van Overbeek, Lennart Ljung, "On-Line Structure Selection for Multivariable State Space Models", LiTH-ISY-I, No. 276, 1979.
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Lennart Ljung, "Convergence of Recursive Estimators", LiTH-ISY-I, No. 275, 1979.
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1978
Lennart Ljung, "Convergence of a Self-Tuning Regulator for Systems with General Delay", LiTH-ISY-I, No. 252, 1978.
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Lennart Ljung, Peter E. Caines, "Asymptotic Normality of Prediction Error Estimators for Approximate System Models", LiTH-ISY-I, No. 240, 1978.
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Lennart Ljung, "Some Basic Ideas in Recursive Identification", LiTH-ISY-I, No. 227, 1978.
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Lennart Ljung, "On Recursive Prediction Error Identification Algorithms", LiTH-ISY-I, No. 228, 1978.
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Lennart Ljung, Stefan Ljung, "Snabb lösning av integralekvationer", LiTH-ISY-I, No. 223, 1978.
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Stefan Ljung, Lennart Ljung, "Fast Numerical Solution of Integral Equations with Stationary Kernels", LiTH-ISY-I, No. 200, 1978.
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1977
Lennart Ljung, Ioan-Doré Landau, "Model Reference Adaptive Systems and Self-Tuning Regulators", LiTH-ISY-I, No. 193, 1977.
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Lennart Ljung, "Convergence Analysis of Parametric Identification Methods", LiTH-ISY-I, No. 184, 1977.
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Lennart Ljung, "IRISA - IRIA september 1977: Reserapport", LiTH-ISY-I, No. 183, 1977.
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Lennart Ljung, "Basic Ideas in Recursive Identification", LiTH-ISY-I, No. 179, 1977.
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Lennart Ljung, "Adaptive Control based on Recursive Identification", LiTH-ISY-I, No. 178, 1977.
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Lennart Ljung, "Convergence Analysis of Recursive, Stochastic Algorithms", LiTH-ISY-I, No. 173, 1977.
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Lennart Ljung, "Some Limit Results for Functionals of Stochastic Processes", LiTH-ISY-I, No. 167, 1977.
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Lennart Ljung, David Falconer, "Application of Fast Kalman Estimation to Adaptive Equalization", LiTH-ISY-I, No. 158, 1977.
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Lennart Ljung, A J M van Overbeek, "Validation of Approximate Models Obtained from Prediction Error Identification", LiTH-ISY-I, No. 149, 1977.
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Lennart Ljung, Ioan-Doré Landau, "Model Reference Adaptive Systems and Self-Tuning Regulators: Some Connections", LiTH-ISY-I, No. 146, 1977.
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Lennart Ljung, David Falconer, "Fast Calculation of Gain Matrices for Recursive Estimation Schemes", LiTH-ISY-I, No. 141, 1977.
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Lennart Ljung, "Prediction Error Identification Methods", LiTH-ISY-I, No. 139, 1977.
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1976
Lennart Ljung, "Strong Convergence of a Stochastic Approximation Algorithm", LiTH-ISY-I, No. 126, 1976.
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Lennart Ljung, "Convergence of an Adaptive Filter Algorithm", LiTH-ISY-I, No. 123, 1976.
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The publication list is extracted from the DiVA - Academic Archive Online - publishing system. The extraction software is developed by Johan Wiklund.
Lennart Ljung

Professor of the Chair of Automatic Control

Phone:
+46 13 281310
Mobile (private):
+46 708 281310
E-mail:
ljung_at_isy.liu.se
Address:
Dept. of Electrical Engineering
Linköping University
SE-581 83 Linköping
Sweden
Visiting Address:
Campus Valla
Building B
Room 2A:542 (in the A corridor on the ground floor between entrance 25 and 27)
Google Scholar:
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Page responsible: Lennart Ljungt
Last updated: 2012-10-23