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Fotografi av Martin Enqvist

Martin Enqvist

Universitetslektor, Avdelningschef

Publikationslista

Tidskriftsartiklar

Florine L. Bachmann, Joshua Kulasingham, Kasper Eskelund, Martin Enqvist, Emina Alickovic, Hamish Innes-Brown,  Extending Subcortical EEG Responses to Continuous Speech to the Sound-Field, TRENDS IN HEARING 28:23312165241246596 (2024)  https://doi.org/10.1177/23312165241246596

Fredrik Ljungberg, Martin Enqvist,  Consistent estimators for nonlinear vessel models, Automatica 165:111660 (2024)  https://doi.org/10.1016/j.automatica.2024.111660

Joshua Kulasingham, Florine L. Bachmann, Kasper Eskelund, Martin Enqvist, Hamish Innes-Brown, Emina Alickovic,  Predictors for estimating subcortical EEG responses to continuous speech, PLOS ONE 19:e0297826 (2024)  https://doi.org/10.1371/journal.pone.0297826

Joshua Kulasingham, Hamish Innes-Brown, Martin Enqvist, Emina Alickovic,  Level-Dependent Subcortical to Continuous Speech, eNeuro 11:16-16 (2024)  https://doi.org/10.1523/ENEURO.0135-24.2024

Stefanie Antonia Zimmermann, Stig Moberg, Svante Gunnarsson, Martin Enqvist,  Using statistical linearization in experiment design for identification of robotic manipulators, Control Engineering Practice 150:106008 (2024)  https://doi.org/10.1016/j.conengprac.2024.106008

Fredrik Ljungberg, Jonas Linder, Martin Enqvist, Kalevi Tervo,  Dictionary-based experiment design for estimation of marine models, Control Engineering Practice 135:105528 (2023)  https://doi.org/10.1016/j.conengprac.2023.105528

Harm H. M. Weerts, Jonas Linder, Martin Enqvist, Paul M. J. Van den Hof,  Abstractions of linear dynamic networks for input selection in local module identification, Automatica 117:108975 (2020)  https://doi.org/10.1016/j.automatica.2020.108975

Roger Larsson, Alejandro Sobrón Rueda, David Lundström, Martin Enqvist,  A Method for Improved Flight Testing of Remotely Piloted Aircraft Using Multisine Inputs, AEROSPACE 7:135 (2020)  https://doi.org/10.3390/aerospace7090135

Fredrik Ljungberg, Martin Enqvist,  Obtaining Consistent Parameter Estimators for Second-Order Modulus Models, IEEE Control Systems Letters 3:781-786 (2019)  https://doi.org/10.1109/LCSYS.2019.2918098

Jesica Escobar, Martin Enqvist,  INSTRUMENTAL VARIABLES AND LSM IN CONTINUOUS-TIME PARAMETER ESTIMATION, ESAIM 23:427-442 (2017)  https://doi.org/10.1051/cocv/2015052

Jonas Linder, Martin Enqvist,  Identification of systems with unknown inputs using indirect input measurements, International Journal of Control 90:729-745 (2017)  https://doi.org/10.1080/00207179.2016.1222557

Ylva Jung, Jonas Fritzin, Martin Enqvist, Atila Alvandpour,  Least-Squares Phase Predistortion of a +30dBm Class-D Outphasing RF PA in 65nm CMOS, IEEE Transactions on Circuits and Systems Part 1 60:1915-1928 (2013)  https://doi.org/10.1109/TCSI.2012.2230507

Martin Enqvist,  Separability of Scalar Random Multisine Signals, Automatica 47:1860-1867 (2011)  https://doi.org/10.1016/j.automatica.2011.05.015

Christian Lyzell, Torkel Glad, Martin Enqvist, Lennart Ljung,  Difference Algebra and System Identification, Automatica 47:1896-1904 (2011)  https://doi.org/10.1016/j.automatica.2011.06.013

Jonas Fritzin, Ylva Jung, Per Niklas Landin, Peter Handel, Martin Enqvist, Atila Alvandpour,  Phase Predistortion of a Class-D Outphasing RF Amplifier in 90 nm CMOS, IEEE Transactions on Circuits and Systems II - Express Briefs 58:642-646 (2011)  https://doi.org/10.1109/TCSII.2011.2164149

Johan Schoukens, Rik Pintelon, Martin Enqvist,  Study of the LTI Relations between the Outputs of two Coupled Wiener Systems and its Application to the Generation of Initial Estimates for Wiener–Hammerstein Systems, Automatica 44:1654-1665 (2008)  https://doi.org/10.1016/j.automatica.2007.10.017

Lieve Lauwers, Johan Schoukens, Rik Pintelon, Martin Enqvist,  A Nonlinear Block Structure Identification Procedure using Frequency Response Function Measurements, IEEE Transactions on Instrumentation and Measurement 57:2257-2264 (2008)  https://doi.org/10.1109/TIM.2008.920038

Martin Enqvist, Lennart Ljung,  Linear Approximations of Nonlinear FIR Systems for Separable Input Processes, Automatica 41:459-473 (2005)  https://doi.org/10.1016/j.automatica.2004.11.016

Konferensartiklar

2023

Stefanie Antonia Zimmermann, Martin Enqvist, Svante Gunnarsson, Stig Moberg, Mikael Norrlöf,  Experimental evaluation of a method for improving experiment design in robot identification, 2023 IEEE International Conference on Robotics and Automation (ICRA), Marcia K. O’Malley (ed.), pp. 11432-11438, IEEE (2023)  https://doi.org/10.1109/icra48891.2023.10161092

2022

Stefanie Antonia Zimmermann, Martin Enqvist, Svante Gunnarsson, Stig Moberg, Mikael Norrlöf,  Improving experiment design for frequency-domain identification of industrial robots, IFAC-PapersOnLine, pp. 475-480, ELSEVIER (2022)  https://doi.org/10.1016/j.ifacol.2022.11.228

2020

Du Ho, Gustaf Hendeby, Martin Enqvist,  A sensor-to-sensor model-based change detection approach for quadcopters, Proceedings of the 21st IFAC World Congress, 2020, IFAC PapersOnline, pp. 712-717, Elsevier (2020)  https://doi.org/10.1016/j.ifacol.2020.12.820

Fredrik Ljungberg, Martin Enqvist,  Consistent Parameter Estimators for Second-order Modulus Systems with Non-additive Disturbances, IFAC PAPERSONLINE, pp. 1132-1137, ELSEVIER (2020)  https://doi.org/10.1016/j.ifacol.2020.12.1318

2018

Du Ho, Martin Enqvist,  On the equivalence of inverse and forward IV estimators with application to quadcopter modeling, 18th IFAC Symposium on System Identification (SYSID), Proceedings, IFAC papers online, pp. 951-956, Elsevier (2018)  https://doi.org/10.1016/j.ifacol.2018.09.071

2017

Du Ho, Jonas Linder, Gustaf Hendeby, Martin Enqvist,  Mass estimation of a quadcopter using IMU data, 2017 International Conference on Unmanned Aircraft Systems (ICUAS), June 13-16, 2017, Miami, FL, USA, pp. 1260-1266, Institute of Electrical and Electronics Engineers (IEEE) (2017)  https://doi.org/10.1109/ICUAS.2017.7991417

Du Ho, Jonas Linder, Gustaf Hendeby, Martin Enqvist,  Vertical modeling of a quadcopter for mass estimation and diagnosis purposes, Proceedings of the Workshop on Research, Education and Development on Unmanned Aerial Systems, RED-UAS, Linköping, Sweden, 3-5 October, 2017, Institute of Electrical and Electronics Engineers (IEEE) (2017)  https://doi.org/10.1109/RED-UAS.2017.8101665

Jonas Linder, Martin Enqvist,  Identification and Prediction in Dynamic Networks with Unobservable Nodes, IFAC PAPERSONLINE, IFAC Papers Online, pp. 10574-10579, ELSEVIER SCIENCE BV (2017)  https://doi.org/10.1016/j.ifacol.2017.08.1306

2015

Jonas Linder, Martin Enqvist,  On Indirect Input Measurements, Proceedings of the 17th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 104-109 (2015)  https://doi.org/10.1016/j.ifacol.2015.12.108

Jonas Linder, Martin Enqvist, Thor I. Fossen, Tor Arne Johansen, Fredrik Gustafsson,  Modeling for IMU-based Online Estimation of a Ship’s Mass and Center of Mass, Proceedings of the 10th Conference on Manoeuvring and Control of Marine Craft, IFAC-PapersOnLine (2015)  https://doi.org/10.1016/j.ifacol.2015.10.280

Jonas Linder, Martin Enqvist, Thor I. Fossen, Tor Arne Johansen, Fredrik Gustafsson,  Online Estimation of Ship’s Mass and Center of Mass Using Inertial Measurements, Proceedings of the 10th Conference on Manoeuvring and Control of Marine Craft, IFAC-PapersOnLine (2015)  https://doi.org/10.1016/j.ifacol.2015.10.270

Ylva Jung, Martin Enqvist,  On estimation of approximate inverse models of block-oriented systems, Proceedings of the 17th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 1226-1231 (2015)  https://doi.org/10.1016/j.ifacol.2015.12.299

2014

Jonas Linder, Martin Enqvist, Fredrik Gustafsson,  A Closed-loop Instrumental Variable Approach to Mass and Center of Mass Estimation Using IMU Data, Proceedings of the 53rd Conference on Decision and Control, pp. 283-289 (2014)  https://doi.org/10.1109/CDC.2014.7039395

Jonas Linder, Martin Enqvist, Fredrik Gustafsson, Johan Sjöberg,  Identifiability of physical parameters in systems with limited sensors, Proceedings of the 19th IFAC World Congress, IFAC-PapersOnLine, pp. 6454-6459 (2014)  https://doi.org/10.3182/20140824-6-ZA-1003.02272

Maryam Sadeghi, Martin Enqvist, Fredrik Gustafsson,  IMU-based vehicle load estimation under normal driving conditions, Proceedings of the 53rd IEEE Conference on Decision and Control, pp. 3376-3381 (2014)  https://doi.org/10.1109/CDC.2014.7039912

2013

Maarten Schoukens, Christian Lyzell, Martin Enqvist,  Combining the best linear approximation and dimension reduction to identify the linear blocks of parallel Wiener systems, Proceedings of the 11th IFAC International Workshop on Adaptation and Learning in Control and Signal Processing, IFAC-PapersOnLine, pp. 372-377 (2013)  https://doi.org/10.3182/20130703-3-FR-4038.00026

Maryam Sadeghi Reineh, Martin Enqvist, Fredrik Gustafsson,  Detection of Roof Load for Automotive Safety Systems, Proceedings of the 52nd IEEE Conference on Decision and Control, pp. 2840-2845 (2013)  https://doi.org/10.1109/CDC.2013.6760314

Ylva Jung, Martin Enqvist,  Estimating models of inverse systems, Proceedings of the 52nd IEEE Conference on Decision and Control, pp. 7143-7148 (2013)  https://doi.org/10.1109/CDC.2013.6761022

2012

Christian Lyzell, Martin Enqvist,  Inverse Regression for the Wiener Class of Systems, Proceedings of the 16th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 476-481 (2012)  https://doi.org/10.3182/20120711-3-BE-2027.00286

Christian Lyzell, Martin Enqvist,  Sliced Inverse Regression for the Identification of Dynamical Systems, Proceedings of the 16th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 1575-1580 (2012)  https://doi.org/10.3182/20120711-3-BE-2027.00271

Christian Lyzell, Martin Andersen, Martin Enqvist,  A Convex Relaxation of a Dimension Reduction Problem Using the Nuclear Norm, Proceedings of the 51st IEEE Conference on Decision and Control, pp. 2852-2857 (2012)  https://doi.org/10.1109/CDC.2012.6426097

Jesica Escobar, Martin Enqvist,  On the Detection of Nonlinearities in Sampled Data, Proceedings of the 16th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 1587-1592 (2012)  https://doi.org/10.3182/20120711-3-BE-2027.00307

Roger Larsson, Martin Enqvist,  Sequential Aerodynamic Model Parameter Identification, Proceedings of the 16th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 1413-1418 (2012)  https://doi.org/10.3182/20120711-3-BE-2027.00293

2009

Martin Enqvist,  Nonlinearity Detection and Impulse Response Estimation Using a Weighting Approach, Proceedings of 15th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 628-633 (2009)  https://doi.org/10.3182/20090706-3-FR-2004.00104

Christian Lyzell, Martin Enqvist, Lennart Ljung,  Handling Certain Structure Information in Subspace Identification, Proceedings of the 15th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 90-95 (2009)  https://doi.org/10.3182/20090706-3-FR-2004.00014

Christian Lyzell, Martin Enqvist, Roland Toth, Peter S. C. Heuberger, Paul M. J. Van den Hof,  Order and Structural Dependence Selection of LPV-ARX Models using a Nonnegative Garrote Approach, Proceedings of the 48th IEEE Conference on Decision and Control held jointly with the 28th Chinese Control Conference, pp. 7406-7411 (2009)  https://doi.org/10.1109/CDC.2009.5399551

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, pp. 681-686 (2009)  https://doi.org/10.3182/20090706-3-FR-2004.00113

Roger Larsson, Martin Enqvist,  Real-time Aerodynamic Model Parameter Identification, Proceedings of the 40th Annual International Symposium of the Society of Flight Test Engineers, pp. 113-122 (2009)

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, pp. 144-149 (2009)  https://doi.org/10.3182/20090706-3-FR-2004.00024

2007

Martin Enqvist,  A Weighting Method for Approximate Nonlinear System Identification, Proceedings of the 46th IEEE Conference on Decision and Control, pp. 5104-5109 (2007)  https://doi.org/10.1109/CDC.2007.4434685

Martin Enqvist, Johan Schoukens, Rik Pintelon,  Detection of Unmodeled Nonlinearities Using Correlation Methods, Proceedings of the 2007 IEEE Instrumentation and Measurement Technology Conference, pp. 1-6 (2007)  https://doi.org/10.1109/IMTC.2007.379370

2006

Martin Enqvist,  Identification of Hammerstein Systems Using Separable Random Multisines, Proceedings of the 14th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 768-773 (2006)  https://doi.org/10.3182/20060329-3-AU-2901.00120

Lieve Lauwers, Johan Schoukens, Rik Pintelon, Martin Enqvist,  Nonlinear Structure Analysis Using the Best Linear Approximation, Proceedings of the 2006 International Conference on Noise and Vibration Engineering, pp. 2751-2760 (2006)

Märta Barenthin, Martin Enqvist, Bo Wahlberg, Håkan Hjalmarsson,  Gain Estimation for Hammerstein Systems, Proceedings of the 14th IFAC Symposium on System Identification, IFAC-PapersOnLine, pp. 784-789 (2006)  https://doi.org/10.3182/20060329-3-AU-2901.00123

2005

Martin Enqvist,  Benefits of the Input Minimum Phase Property for Linearization of Nonlinear Systems, Proceedings of the 2005 International Symposium on Nonlinear Theory and Its Applications, p. 618 (2005)

Martin Enqvist, Svante Gunnarsson, Mikael Norrlöf, Erik Wernholt, Anders Hansson,  The CDIO Initiative from an Automatic Control Project Course Perspective, Proceedings of the 16th IFAC World Congress, IFAC-PapersOnLine, pp. 2283-2283 (2005)  https://doi.org/10.3182/20050703-6-CZ-1902.02284

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, pp. 3129-3134 (2005)  https://doi.org/10.1109/CDC.2005.1582642

Torkel Glad, Anders Helmersson, Martin Enqvist, Lennart Ljung,  Controllers for Amplitude Limited Model Error Models, Proceedings of the 16th IFAC World Congress, IFAC-PapersOnLine, pp. 662-662 (2005)  https://doi.org/10.3182/20050703-6-CZ-1902.00663

2004

Martin Enqvist, Lennart Ljung,  LTI Approximations of Slightly Nonlinear Systems, Proceedings of Reglermöte 2004 (2004)

Martin Enqvist, Lennart Ljung,  LTI Approximations of Slightly Nonlinear Systems, Proceedings of the 6th IFAC Symposium on Nonlinear Control Systems, p. 639 (2004)

2003

Martin Enqvist,  Linear Models of Nonlinear FIR Systems with Gaussian Inputs, Proceedings of the 13th IFAC Symposium on System Identification, pp. 1910-1915 (2003)

2002

Martin Enqvist,  Linear Models of Nonlinear FIR Systems with Gaussian Inputs, Proceedings of the 4th Conference on Computer Science and Systems Engineering, pp. 147-151 (2002)

Martin Enqvist, Lennart Ljung,  Approximation of Non-Linear Systems in a Neighborhood of LTI Systems, Proceedings of Reglermöte 2002, pp. 289-291 (2002)

Martin Enqvist, Lennart Ljung,  Estimating Nonlinear Systems in a Neighborhood of LTI-approximants, Proceedings of the 41st IEEE Conference on Decision and Control, pp. 1005-1010 vol.1 (2002)  https://doi.org/10.1109/CDC.2002.1184641

Böcker

Torkel Glad, Lennart Ljung, Martin Enqvist,  Reglerteknik, Studentlitteratur AB, Lund (2024)

Bokkapitel

Martin Enqvist,  Identification of Block-oriented Systems Using the Invariance Property, Block-Oriented Nonlinear System Identification, Fouad Giri and Er-Wei Bai (ed.), Lecture Notes in Control and Information Sciences, pp. 147-158, Springer London (2010)  https://doi.org/10.1007/978-1-84996-513-2_10

Rapporter

Jonas Linder, Martin Enqvist,  Identification and prediction in dynamic networks with unobservable nodes, LiTH-ISY-R-3095, Linköping University Electronic Press, Linköping (2016)

Jonas Linder, Martin Enqvist,  On Indirect Input Measurements, LiTH-ISY-R-3080 (2015)

Jonas Linder, Martin Enqvist, Thor I. Fossen, Tor Arne Johansen, Fredrik Gustafsson,  Modeling for IMU-based Online Estimation of a Ship’s Mass and Center of Mass, LiTH-ISY-R-3082, Linköping University Electronic Press, Linköping (2015)

Jonas Linder, Martin Enqvist, Thor I. Fossen, Tor Arne Johansen, Fredrik Gustafsson,  Online Estimation of Ship’s Mass and Center of Mass Using Inertial Measurements, LiTH-ISY-R-3081, Linköping University Electronic Press, Linköping (2015)

Maarten Schoukens, Christian Lyzell, Martin Enqvist,  Combining the best linear approximation and dimension reduction to identify thelinear blocks of parallel Wiener systems, LiTH-ISY-R-3050, Linköping University Electronic Press, Linköping (2012)

Christian Lyzell, Martin Enqvist,  Inverse Regression for the Wiener Class of Systems, LiTH-ISY-R-3032, Linköping University Electronic Press, Linköping (2011)

Christian Lyzell, Martin Enqvist,  Sliced Inverse Regression for the Identification of Dynamical Systems, LiTH-ISY-R-3031, Linköping University Electronic Press, Linköping (2011)

Roland Toth, Christian Lyzell, Martin Enqvist, Peter S.C. Heuberger, Paul M. J. Van den Hof,  Order and Structural Dependence Selection of LPV-ARX Models using a Nonnegative Garrote Approach, LiTH-ISY-R-2937, Linköping University Electronic Press, Linköping (2010)

Christian Lyzell, Martin Enqvist, Lennart Ljung,  Handling Certain Structure Information in Subspace Identification, LiTH-ISY-R-2890, Linköping University Electronic Press, Linköping (2009)

Christian Lyzell, Torkel Glad, Martin Enqvist, Lennart Ljung,  Identification Aspects of Ritt’s Algorithm for Discrete-Time Systems, LiTH-ISY-R-2891, Linköping University Electronic Press, Linköping (2009)

Martin Enqvist,  A Weighting Method for Approximate Nonlinear System Identification, LiTH-ISY-R-2829, Linköping University Electronic Press, Linköping (2007)

Martin Enqvist,  Benefits of the Input Minimum Phase Property for Linearization of Nonlinear Systems, LiTH-ISY-R-2720, Linköping University Electronic Press, Linköping (2005)

Martin Enqvist,  Identification of Hammerstein Systems Using Separable Random Multisines, LiTH-ISY-R-2722, Linköping University Electronic Press, Linköping (2005)

Martin Enqvist, Lennart Ljung,  LTI Approximations of Slightly Nonlinear Systems, LiTH-ISY-R-2655, Linköping University Electronic Press, Linköping (2005)

Martin Enqvist, Lennart Ljung,  Linear Approximations of Nonlinear FIR Systems for Separable Input Processes, LiTH-ISY-R-2718, Linköping University Electronic Press, Linköping (2005)

Jacob Roll, Martin Enqvist, Lennart Ljung,  Consistent Nonparametric Estimation of NARX Systems Using Convex Optimization, LiTH-ISY-R-2721, Linköping University Electronic Press, Linköping (2005)

Torkel Glad, Anders Helmersson, Martin Enqvist, Lennart Ljung,  Controllers for Amplitude Limited Model Error Models, LiTH-ISY-R-2719, Linköping University Electronic Press, Linköping (2005)

Martin Enqvist, Svante Gunnarsson, Mikael Norrlöf, Erik Wernholt, Anders Hansson,  The CDIO Initiative from an Automatic Control Project Course Perspective, LiTH-ISY-R-2651, Linköping University Electronic Press, Linköping (2004)

Martin Enqvist,  Linear Models of Nonlinear FIR Systems with Gaussian Inputs, LiTH-ISY-R-2462, Linköping University Electronic Press, Linköping (2002)

Martin Enqvist,  Variance-Bias Tradeoff in Finite Impulse Response Estimates Obtained by Correlation Analysis, LiTH-ISY-R-2416, Linköping University Electronic Press, Linköping (2002)

Martin Enqvist, Lennart Ljung,  Estimating Nonlinear Systems in a Neighborhood of LTI-approximants, LiTH-ISY-R-2459, Linköping University Electronic Press, Linköping (2002)

Doktorsavhandlingar

Martin Enqvist,  Linear Models of Nonlinear Systems, Linköping Studies in Science and Technology. Dissertations 985, Institutionen för systemteknik (2005)

Licentiatavhandlingar

Martin Enqvist,  Some Results on Linear Models of Nonlinear Systems, Linköping Studies in Science and Technology. Thesis 1046, Linköpings universitet, Linköping, Sweden (2003)