Lennart Ljung

Adrian Wills, Thomas B. Schön, Lennart Ljung, Brett Ninness: Identification of Hammerstein-Wiener models. Automatica 49(1): 70-81 (2013)

Henrik Ohlsson, Lennart Ljung: Identification of switched linear regression models using sum-of-norms regularization. Automatica 49(4): 1045-1050 (2013)

Henrik Ohlsson, Fredrik Gustafsson, Lennart Ljung, Stephen P. Boyd: Smoothed state estimates under abrupt changes using sum-of-norms regularization. Automatica 48(4): 595-605 (2012)

Tianshi Chen, Henrik Ohlsson, Lennart Ljung: On the estimation of transfer functions, regularizations and Gaussian processes - Revisited. Automatica 48(8): 1525-1535 (2012)

Tianshi Chen, Lennart Ljung, Martin Andersen, Alessandro Chiuso, Francesca Carli, Gianluigi Pillonetto: Sparse multiple kernels for impulse response estimation with majorization minimization algorithms. CDC 2012: 1500-1505

Ruggero Carli, T. Chen, Alessandro Chiuso, Lennart Ljung, Gianluigi Pillonetto: On the estimation of hyperparameters for Bayesian system identification with exponentially decaying kernels. CDC 2012: 5260-5265

Christian Lyzell, Torkel Glad, Martin Enqvist, Lennart Ljung: Difference algebra and system identification. Automatica 47(9): 1896-1904 (2011)

Lennart Ljung, Håkan Hjalmarsson, Henrik Ohlsson: Four Encounters with System Identification. Eur. J. Control 17(5-6): 449-471 (2011)

Tianshi Chen, Thomas B. Schön, Henrik Ohlsson, Lennart Ljung: Decentralized Particle Filter With Arbitrary State Decomposition. IEEE Transactions on Signal Processing 59(2): 465-478 (2011)

Xiao-Li Hu, Thomas B. Schön, Lennart Ljung: A General Convergence Result for Particle Filtering. IEEE Transactions on Signal Processing 59(7): 3424-3429 (2011)

Henrik Ohlsson, Lennart Ljung: A convex approach to subspace clustering. CDC-ECE 2011: 1467-1472

Diego S. Carrasco, Lennart Ljung, Graham C. Goodwin, Juan C. Agüero: On the accuracy of parameter estimation for continuous time nonlinear systems from sampled data. CDC-ECE 2011: 4308-4311

Tianshi Chen, Henrik Ohlsson, Graham C. Goodwin, Lennart Ljung: Kernel selection in linear system identification part II: A classical perspective. CDC-ECE 2011: 4326-4331

Lennart Ljung: Perspectives on system identification. Annual Reviews in Control 34(1): 1-12 (2010)

Jonas Gillberg, Lennart Ljung: Frequency domain identification of continuous-time output error models, Part I: Uniformly sampled data and frequency function approximation. Automatica 46(1): 1-10 (2010)

Jonas Gillberg, Lennart Ljung: Frequency domain identification of continuous-time output error models, Part II: Non-uniformly sampled data and B-spline output approximation. Automatica 46(1): 11-18 (2010)

Lennart Ljung, Adrian Wills: Issues in sampling and estimating continuous-time models with stochastic disturbances. Automatica 46(5): 925-931 (2010)

Henrik Ohlsson, Lennart Ljung, Stephen P. Boyd: Segmentation of ARX-models using sum-of-norms regularization. Automatica 46(6): 1107-1111 (2010)

Odd Fredriksson, Lennart Ljung: Critical Success Conditions for Enterprise Systems Change Projects. AMCIS 2010: 413

Henrik Ohlsson, Fredrik Gustafsson, Lennart Ljung, Stephen P. Boyd: Trajectory generation using sum-of-norms regularization. CDC 2010: 540-545

Henrik Ohlsson, Fredrik Gustafsson, Lennart Ljung, Stephen P. Boyd: State smoothing by sum-of-norms regularization. CDC 2010: 2880-2885

Tianshi Chen, Thomas B. Schön, Henrik Ohlsson, Lennart Ljung: Decentralization of particle filters using arbitrary state decomposition. CDC 2010: 7383-7388

Jonas Gillberg, Lennart Ljung: Frequency-domain identification of continuous-time ARMA models from sampled data. Automatica 45(6): 1371-1378 (2009)

Svante Björklund, Lennart Ljung: An improved phase method for time-delay estimation. Automatica 45(10): 2467-2470 (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)

Jiandong Wang, Qinghua Zhang, Lennart Ljung: Revisiting the Two-Stage Algorithm for Hammerstein system identification. CDC 2009: 3620-3625

Henrik Ohlsson, Maite Bauwens, Lennart Ljung: On manifolds, climate reconstruction and bivalve shells. CDC 2009: 5738-5743

Ingela Lind, Lennart Ljung: Regressor and structure selection in NARX models using a structured ANOVA approach. Automatica 44(2): 383-395 (2008)

Anna Hagenblad, Lennart Ljung, Adrian Wills: Maximum likelihood identification of Wiener models. Automatica 44(11): 2697-2705 (2008)

Xiao-Li Hu, Thomas B. Schön, Lennart Ljung: A Basic Convergence Result for Particle Filtering. IEEE Transactions on Signal Processing 56(4): 1337-1348 (2008)

Henrik Ohlsson, Jacob Roll, Anders Brun, Hans Knutsson, Mats T. Andersson, Lennart Ljung: Direct Weight Optimization applied to discontinuous functions. CDC 2008: 117-122

Henrik Ohlsson, Jacob Roll, Lennart Ljung: Manifold-constrained regressors in system identification. CDC 2008: 1364-1369

Christian Lyzell, Jacob Roll, Lennart Ljung: The use of nonnegative garrote for order selection of ARX models. CDC 2008: 1974-1979

Markus Gerdin, Thomas B. Schön, Torkel Glad, Fredrik Gustafsson, Lennart Ljung: On parameter and state estimation for linear differential-algebraic equations. Automatica 43(3): 416-425 (2007)

Martin Enqvist, Lennart Ljung: Linear approximations of nonlinear FIR systems for separable input processes. Automatica 41(3): 459-473 (2005)

Jacob Roll, Alexander V. Nazin, Lennart Ljung: Nonlinear system identification via direct weight optimization. Automatica 41(3): 475-490 (2005)

Ingela Lind, Lennart Ljung: Regressor selection with the analysis of variance method. Automatica 41(4): 693-700 (2005)

S. Joe Qin, Weilu Lin, Lennart Ljung: A novel subspace identification approach with enforced causal models. Automatica 41(12): 2043-2053 (2005)

Lennart Ljung, Antonio Vicino: Guest Editorial: Special Issue on System Identification. IEEE Trans. Automat. Contr. 50(10): 1473 (2005)

Jacob Roll, Alberto Bemporad, Lennart Ljung: Identification of piecewise affine systems via mixed-integer programming. Automatica 40(1): 37-50 (2004)

Wolfgang Reinelt, Lennart Ljung: Robust Control of Identified Models with Mixed Parametric and Non-Parametric Uncertainties. Eur. J. Control 9(4): 373-380 (2003)

Fredrik Tjärnström, Lennart Ljung: Variance Properties of a Two-step ARX Estimation Procedure. Eur. J. Control 9(4): 422-430 (2003)

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)

Wolfgang Reinelt, Andrea Garulli, Lennart Ljung: Comparing different approaches to model error modeling in robust identification. Automatica 38(5): 787-803 (2002)

Alexander V. Nazin, Lennart Ljung: Asymptotically optimal smoothing of averaged LMS estimates for regression parameter tracking. Automatica 38(8): 1287-1293 (2002)

Fredrik Tjärnström, Lennart Ljung: L₂ Model reduction and variance reduction. Automatica 38(9): 1517-1530 (2002)

Fredrik Tjärnström, Lennart Ljung: Using the bootstrap to estimate the variance in the case of undermodeling. IEEE Trans. Automat. Contr. 47(2): 395-398 (2002)

Michel Gevers, Lennart Ljung, Paul M. J. Van den Hof: Asymptotic variance expressions for closed-loop identification. Automatica 37(5): 781-786 (2001)

Alexander S. Poznyak, Lennart Ljung: On-line identification and adaptive trajectory tracking for nonlinear stochastic continuous time systems using differential neural networks. Automatica 37(8): 1257-1268 (2001)

Lennart Ljung: Estimating Linear Time-invariant Models of Nonlinear Time-varying Systems. Eur. J. Control 7(2-3): 203-219 (2001)

Peter Lindskog, Lennart Ljung: Ensuring monotonic gain characteristics in estimated models by fuzzy model structures. Automatica 36(2): 311-317 (2000)

Urban Forssell, Lennart Ljung: Some results on optimal experiment design. Automatica 36(5): 749-756 (2000)

Urban Forssell, Lennart Ljung: Closed-loop identification revisited. Automatica 35(7): 1215-1241 (1999)

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)

Tomas McKelvey, Hüseyin Akçay, Lennart Ljung: Subspace-based identification of infinite-dimensional multivariable systems from frequency-response data. Automatica 32(6): 885-902 (1996)

Lennart Ljung: Automatica prize paper awards 1996. Automatica 32(8): 1099 (1996)

Tomas McKelvey, Thomas Abrahamsson, Lennart Ljung: Vibration data analysis for a commercial aircraft : Multivariable vibration data from an aircraft is analyzed using modern system identification tools. The identified linear vibrational model accurately describes the measured motion. Automatica 32(12): 1689-1700 (1996)

Steve S. Niu, Lennart Ljung, Åke Björck: Decomposition methods for solving least-squares parameter estimation. IEEE Transactions on Signal Processing 44(11): 2847-2852 (1996)

Jonas Sjöberg, Qinghua Zhang, Lennart Ljung, Albert Benveniste, Bernard Delyon, Pierre-Yves Glorennec, Håkan Hjalmarsson, Anatoli Juditsky: Nonlinear black-box modeling in system identification: a unified overview. Automatica 31(12): 1691-1724 (1995)

Anatoli Juditsky, Håkan Hjalmarsson, Albert Benveniste, Bernard Delyon, Lennart Ljung, Jonas Sjöberg, Qinghua Zhang: Nonlinear black-box models in system identification: Mathematical foundations. Automatica 31(12): 1725-1750 (1995)

Lennart Ljung, Torkel Glad: On global identifiability for arbitrary model parametrizations. Automatica 30(2): 265-276 (1994)

Lennart Ljung: Modelling of Industrial Systems. ISMIS 1993: 338-349

Lennart Ljung, Svante Gunnarsson: Adaptation and tracking in system identification - A survey. Automatica 26(1): 7-21 (1990)

Lennart Ljung: Analysis of stochastic gradient algorithms for linear regression problems. IEEE Transactions on Information Theory 30(2): 151-160 (1984)

Lennart Ljung, Thomas Kailath: Backwards Markovian models for second-order stochastic processes (Corresp.). IEEE Transactions on Information Theory 22(4): 488-491 (1976)