Thomas Abrahamsson

Professor at Department of Applied Mechanics, Dynamics

Thomas Abrahamsson is professor in Structural Dynamics at the division of Dynamics. His main interest is in integration of structural dynamics analysis and testing. That concerns system identification, model validation and calibration, and the influence of physical properties that can best be described as being stochastic.

Source: chalmers.se

Projects

2013–2016

Vindkraft

Thomas Abrahamsson Department of Applied Mechanics, Dynamics
Anders T Johansson Department of Applied Mechanics, Dynamics
Ekmanstiftelserna

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Publications

2017

Experimental validation of a nonlinear model calibration method based on multiharmonic frequency responses

Yousheng Chen, Andreas Linderholt, Thomas Abrahamsson et al
Journal of Computational and Nonlinear Dynamics. Vol. 12 (4), p. Article number 410141
Scientific journal article - peer reviewed
2017

Approximate Bayesian Computation by Subset Simulation using hierarchical state-space models

Majid Khorsand Vakilzadeh, Y. Huang, J. L. Beck et al
Mechanical Systems and Signal Processing. Vol. 84, p. 2-20
Scientific journal article - peer reviewed
2017

Stochastic finite element model calibration based on frequency responses and bootstrap sampling

Majid Khorsand Vakilzadeh, Vahid Yaghoubi, Anders T Johansson et al
Mechanical systems and signal processing. Vol. 88, p. 180–198
Scientific journal article - peer reviewed
2016

Validation of a model calibration method through vibrational testing of a mechanical system with local clearance

Y. Chen, A. Linderholt, Thomas Abrahamsson et al
Proceedings of Isma2016 International Conference on Noise and Vibration Engineering and Usd2016 International Conference on Uncertainty in Structural Dynamics, ED. BY Sas, P; Moens, D; VanDeWalle, A. , p. 2581-2595
Conference paper - peer reviewed
2016

Feature-based design analysis for automatic classification of simulated nonlinear responses using machine learning

N. Andersson, R. Rinaldo, Thomas Abrahamsson et al
Proceedings of Isma2016 International Conference on Noise and Vibration Engineering and Usd2016 International Conference on Uncertainty in Structural Dynamics, ed. by Sas, P; Moens, D; VanDeWalle, A., p. 3259-3273
Conference paper - peer reviewed
2016

An efficient exponential predictor-corrector time integration method for structures with local nonlinearity

Vahid Yaghoubi, Thomas Abrahamsson, Erik A. Johnson et al
Engineering structures. Vol. 128, p. 344-361
Scientific journal article - peer reviewed
2016

A pretest planning method for model calibration for nonlinear systems

Yousheng Chen, Andreas Linderholt, Thomas Abrahamsson et al
Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 3, p. 371-379
Conference paper - peer reviewed
2016

What Is Normal About Normal Modes?

Thomas Abrahamsson, R. J. Allemang,
Topics in Modal Analysis & Testing: 34th IMAC, A Conference and Exposition on Structural Dynamics, 2016; Orlando; United States; 25 January 2016 through 28 January 2016. Vol. 10, p. 97-110
Conference paper - non peer reviewed
2016

An Efficient Simulation Method for Large-Scale Systems with Local Nonlinearities

Y. S. Chen, Andreas Linderholt, Thomas Abrahamsson et al
Special Topics in Structural Dynamics, Vol 6, 34th Imac, p. 259-267
Conference paper - peer reviewed
2016

Hybrid Time/Frequency Domain Identification of Real Base-Isolated Structure

P. Brewick, W. M. Elhaddad, E. A. Johnson et al
Dynamics of Civil Structures : Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016. Vol. 2, p. 303-311
Conference paper - peer reviewed
2016

Approximate Bayesian Computation by Subset Simulation for Parameter Inference of Dynamical Models

Majid Khorsand Vakilzadeh, Yong Huang, James L. Beck et al
Model Validation and Uncertainty Quantification vol 3. Conference Proceedings of the Society for Experimental Mechanics Series. 34th IMAC Conference and Exposition on Structural Dynamics, Orlando, Florida 25-28 jan 2016.. Vol. 3, p. 37-50
Conference paper - peer reviewed
2016

Informative Data for Model Calibration of Locally Nonlinear Structures Based on Multiharmonic Frequency Responses

Yousheng Chen, Vahid Yaghoubi, Andreas Linderholt et al
Journal of Computational and Nonlinear Dynamics. Vol. 11 (5), p. Art. no. 051023
Scientific journal article - peer reviewed
2016

Redundant Information Rejection in Sensor Localisation Using System Gramians

Mladen Gibanica, Thomas Abrahamsson, Daniel C. Kammer et al
Topics in Modal Analysis & Testing, Volume 10, Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016. Vol. 10, p. 325-333
Conference paper - peer reviewed
2016

Stochastic Finite Element Model Updating by Bootstrapping

Vahid Yaghoubi, Majid Khorsand Vakilzadeh, Anders T Johansson et al
Model Validation and Uncertainty Quantification, vol 3. Conference Proceedings of 34th IMAC Conference and Exposition on Structural Dynamics, Orlando, Florida, JAN 25-28, 2016, p. 117-130
Conference paper - non peer reviewed
2016

Calibration, Validation and Uncertainty Quantification of Nominally Identical Car Subframes

Mladen Gibanica, Thomas Abrahamsson, Magnus Olsson et al
Model Validation and Uncertainty Quantification, Volume 3, Proceedings of the 34th IMAC, A Conference and Exposition on Structural Dynamics 2016. Vol. 3, p. 315-326
Conference paper - peer reviewed
2016

Bayesian Treatment of Spatially-Varying Parameter Estimation Problems via Canonical BUS

Sadegh Rahrovani, Siu-Kui Au, Thomas Abrahamsson et al
Model Validation and Uncertainty Quantification, vol 3. Conference Proceedings of the Society for Experimental Mechanics Series. 34th IMAC Conference and Exposition on Structural Dynamics, Orlando, Florida, JAN 25-28, 2016. Vol. 3, p. 1-13
Conference paper - peer reviewed
2016

Stability Limitations in Simulation of Dynamical Systems with Multiple Time-Scales

Sadegh Rahrovani, Thomas Abrahamsson, Klas Modin et al
Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 1, p. 93-105
Conference paper - peer reviewed
2015

Experiment design for improved frequency domain subspace system identification of continuous-time systems

Majid Khorsand Vakilzadeh, Vahid Yaghoubi, Tomas McKelvey et al
IFAC-PapersOnLine. Vol. 48 (28), p. 886-891
Scientific journal article - peer reviewed
2015

Calibration and cross-validation of a car component model using repeated testing

Karl-Johan Larsson, Snævar Leó Grétarsson, Majid Khorsand Vakilzadeh et al
Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 3, p. 339-350
Conference paper - peer reviewed
2015

A comparison of the dynamic behavior of three sets of the ampair 600 wind turbine

A. Linderholt, Thomas Abrahamsson, Anders T Johansson et al
Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 4, p. 99-110
Conference paper - peer reviewed
2015

Calibration and Validation of a Car Subframe Finite Element Model Using Frequency Responses

Thomas Abrahamsson, F. Bartholdsson, M. Hallqvist et al
Proceedings of the 33rd IMAC, A Conference and Exposition on Structural Dynamics, 2015, (Topics in Modal Analysis, Vol 10), p. 9-22
Conference paper - peer reviewed
2015

A Parallel Solution Method for Structural Dynamic Response Analysis

Vahid Yaghoubi, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
Dynamics of Coupled Structures Conference Proceedings of the Society for Experimental Mechanics Series . Vol. 4, p. 149-161
Conference paper - peer reviewed
2015

Towards an Automatic Modal Parameter Estimation Framework: Mode Clustering

Majid Khorsand Vakilzadeh, Vahid Yaghoubi, Anders T Johansson et al
Proceedings of the 33rd IMAC, A Conference and Exposition on Structural Dynamics, 2015; (Topics in Modal Analysis, Volume 10), p. 243-259
Conference paper - peer reviewed
2015

Experiment Design for Improved Frequency Domain Subspace Identification of Continuous-Time Systems

Majid Khorsand Vakilzadeh, Vahid Yaghoubi, Tomas McKelvey et al
17th IFAC Symposium on System Identification, SYSID 2015
Conference paper - peer reviewed
2015

A parallel solution method for structural dynamics response analysis

Vahid Yaghoubi, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
International Modal Analysis Conference (IMAC XXXIII)
Conference paper - peer reviewed
2015

Finite element model calibration using frequency responses with damping equalization

Thomas Abrahamsson, D. C. Kammer,
Mechanical Systems and Signal Processing. Vol. 62-63, p. 218-234
Scientific journal article - peer reviewed
2015

A method for improving test rig performance using passive components

Anders T Johansson, Thomas Abrahamsson,
Mechanical systems and signal processing. Vol. 52-53, p. 614-627
Scientific journal article - peer reviewed
2014

FEM calibration with FRF damping equalization

Thomas Abrahamsson, D. C. Kammer,
2nd IMAC Conference and Exposition on Structural Dynamics, 2014, Orlando, FL, United States, 3-6 February 2014. Vol. 3, p. 265-278
Conference paper - peer reviewed
2014

Efficient simulation method for nonlinear structures: methodology and stability consideration

Vahid Yaghoubi, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
9th International Conference on Structural Dynamics (EURODYN), Porto, PORTUGAL, JUN 30-JUL 02, 2014, p. 1853-1858
Conference paper - peer reviewed
2014

On Gramian-Based Techniques for Minimal Realization of Large-Scale Mechanical Systems

Sadegh Rahrovani, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
Topics in Modal Analysis (Conference Proceedings of the Society for Experimental Mechanics Series). Vol. 45 (7), p. 797-805
Conference paper - peer reviewed
2014

Dynamic sub-structuring with passive state-space components

A. Liljerehn, Thomas Abrahamsson,
26th International Conference on Noise and Vibration Engineering, ISMA 2014, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2014; Leuven; Belgium; 15 September 2014 through 17 September 2014, p. 3879-3890
Conference paper - peer reviewed
2014

Calibration and cross-validation of a car component using frequency response functions and a damping equalization technique

Thomas Abrahamsson, F. Bartholdsson, M. Hallqvist et al
26th International Conference on Noise and Vibration Engineering, ISMA 2014, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2014, p. 2625-2640
Conference paper - peer reviewed
2014

Integration of Hamiltonian systems with a structure preserving algorithm

Sadegh Rahrovani, Thomas Abrahamsson, Klas Modin et al
26th International Conference on Noise and Vibration Engineering, ISMA 2014, Including the 5th International Conference on Uncertainty in Structural Dynamics, USD 2014; Leuven; Belgium; 15 September 2014 through 17 September 2014, p. 2915-2929
Conference paper - peer reviewed
2014

Frequency response calculations of a nonlinear structure a comparison of numerical methods

Y. Chen, A. Linderholt, Thomas Abrahamsson et al
Conference Proceedings of the Society for Experimental Mechanics Series: 32nd IMAC Conference and Exposition on Structural Dynamics, 2014; Orlando, FL; United States; 3 February 2014 through 6 February 2014. Vol. 2, p. 35-44
Conference paper - peer reviewed
2014

Model calibration of a locally non-linear structure utilizing multi harmonic response data

Y. Chen, Vahid Yaghoubi, A. Linderholt et al
Proceedings, Society for Experimental Mechanics: 32nd IMAC Conference and Exposition on Structural Dynamics, 2014; Orlando, FL; United States; 3 February 2014 through 6 February 2014. Vol. 2, p. 97-109
Conference paper - peer reviewed
2014

An efficient simulation method for structures with local nonlinearity

Vahid Yaghoubi, Thomas Abrahamsson,
Nonlinear Dynamics, Vol 2: Conference Proceedings of the Society for Experimental Mechanics Series: 32nd IMAC Conference and Exposition on Structural Dynamics, 2014; Orlando, FL; United States; 3 February 2014 through 6 February 2014. Vol. 2, p. 141-149
Conference paper - peer reviewed
2014

Manifold Metropolis adjusted Langevin algorithm for high-dimensional Bayesian FE

Majid Khorsand Vakilzadeh, Vahid Yaghoubi, Anders T Johansson et al
9th International Conference on Structural Dynamics (EURODYN), Porto, PORTUGAL, JUN 30-JUL 02, 2014, p. 3029-3036
Conference paper - peer reviewed
2014

The Modal Observability Correlation as a Modal Correlation Metric

Vahid Yaghoubi, Thomas Abrahamsson,
Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 45 (7), p. 487-494
Conference paper - peer reviewed
2014

Automated Modal Analysis Based on Statistical Evaluation of Frequency Responses

Vahid Yaghoubi, Thomas Abrahamsson,
Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 45 (7), p. 479-486
Conference paper - peer reviewed
2014

A Metric for Modal Truncation in Model Reduction Problems Part 2: Extension to Systems with High-Dimensional Input Space

Sadegh Rahrovani, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
31st International Modal Analysis Conference on Structural Dynamics, IMAC 2013; Garden Grove, CA; United States; 11 February 2013 through 14 February 2013. Vol. 7, p. 789-796
Conference paper - peer reviewed
2014

A Metric for Modal Truncation in Model Reduction Problems Part 1: Performance and Error Analysis

Sadegh Rahrovani, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
31st International Modal Analysis Conference on Structural Dynamics, IMAC 2013; Garden Grove, CA; United States; 11 February 2013 through 14 February 2013. Vol. 7, p. 781-788
Conference paper - peer reviewed
2014

An Efficient Exponential Integrator for Large Nonlinear Stiff Systems Part 2: Symplecticity and Global Error Analysis

Sadegh Rahrovani, Thomas Abrahamsson, Klas Modin et al
Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, 2014. Nonlinear Dynamics, Volume 2. Vol. 2, p. 269-280
Conference paper - peer reviewed
2014

An Efficient Exponential Integrator for Large Nonlinear Stiff Systems Part 1: Theoretical Investigation

Sadegh Rahrovani, Thomas Abrahamsson, Klas Modin et al
Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, 2014. Nonlinear Dynamics, Volume 2. Vol. 2, p. 259-268
Conference paper - peer reviewed
2014

Modal Dominancy Analysis Based on Modal Contribution to Frequency Response Function ℋ2-Norm

Sadegh Rahrovani, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
Mechanical Systems and Signal Processing. Vol. 48 (1-2), p. 218-231
Scientific journal article - peer reviewed
2014

Experimental-Analytical Dynamic Substructuring of Ampair Testbed: A State-Space Approach

Mladen Gibanica, Anders T Johansson, Anders Liljerehn et al
Dynamics of Coupled Structures, Volume 1, Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, 2014. Vol. 1, p. 1-14
Conference paper - peer reviewed
2014

Model calibration and uncertainty of A600 wind turbine blades

Anders T Johansson, Andreas Linderholt, Thomas Abrahamsson et al
Proceedings of the 32nd IMAC, A Conference and Exposition on Structural Dynamics, 2014. Vol. 3, p. 215-227
Conference paper - peer reviewed
2014

Modal Reduction Based on Accurate Input-Output Relation Preservation

Majid Khorsand Vakilzadeh, Sadegh Rahrovani, Thomas Abrahamsson et al
opics in Modal Analysis, Volume 7 (Proceeding of IMAC 31st , Conference on Structural Dynamics 2013), p. 333-342
Conference paper - peer reviewed
2014

Development of simplified models for wind turbine blades with application to NREL 5MW offshore research wind turbine

Majid Khorsand Vakilzadeh, Anders T Johansson, Thomas Abrahamsson et al
Proceeding of IMAC XXXII, A Conference on Structural Dynamics
Conference paper - peer reviewed
2013

A new parameter perturbation method suitable for reliability analysis of large dynamic systems

Sadegh Rahrovani, Thomas Abrahamsson,
Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures - Proceedings of the 11th International Conference on Structural Safety and Reliability, ICOSSAR 2013, p. 5343-5349
Conference paper - peer reviewed
2013

Locally Non-linear Model Calibration Using Multi Harmonic Responses: Applied on Ecole de Lyon Non-linear Benchmark Structure

Vahid Yaghoubi, Yousheng Chen, Andreas Linderholt et al
Conference Proceedings of the Society for Experimental Mechanics Series, Topics in Nonlinear Dynamics, Proceedings of the 31st IMAC, A Conference on Structural Dynamics. Vol. 1, p. 113-123
Conference paper - peer reviewed
2013

Spread in Modal Data Obtained From Wind Turbine Blade Testing

Mladen Gibanica, Anders T Johansson, Sadegh Rahrovani et al
Topics in Experimental Dynamic Substructuring, Volume 2, Proceedings of the 31st IMAC, A Conference on Structural Dynamics, 2013. Vol. 2, p. 207-215
Conference paper - peer reviewed
2013

Modeling and Calibration of Small-scale Wind Turbine Blade

Anders T Johansson, Carl-Johan Lindholm, Majid Khorsand Vakilzadeh et al
Topics in Experimental Dynamic Substructuring, Volume 2, Proceedings of the 31st IMAC, A Conference on Structural Dynamics, 2013 . Vol. 36 (2), p. 51-58
Conference paper - peer reviewed
2012

Model calibration of locally nonlinear structures using information from sub and super harmonic responses

Y. Chen, Vahid Yaghoubi, A. Linderholt et al
25th International Conference on Noise and Vibration engineering, ISMA2012 in conjunction with the 4th International Conference on Uncertainty in Structural Dynamics, USD 2012; Leuven; Belgium; 17 September 2012 through 19 September 2012. Vol. 3, p. 2451-2464
Conference paper - peer reviewed
2012

Experimental-analytical substructure model sensitivity analysis for cutting machine chatter prediction

A. Liljerehn, Thomas Abrahamsson,
30th IMAC, A Conference on Structural Dynamics, 2012; Jacksonville, FL; United States; 30 January 2012 through 2 February 2012. Vol. 2, p. 11-20
Conference paper - peer reviewed
2012

Finding local non-linearities using error localization from model updating theory

A. Linderholt, Thomas Abrahamsson,
30th IMAC, A Conference on Structural Dynamics, 2012; Jacksonville, FL; United States; 30 January 2012 through 2 February 2012. Vol. 3, p. 323-334
Conference paper - peer reviewed
2012

Application of an automated modal analysis based on frequency response function estimates

Vahid Yaghoubi, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
25th International Conference on Noise and Vibration engineering, ISMA2012 in conjunction with the 4th International Conference on Uncertainty in Structural Dynamics, USD 2012; Leuven; Belgium; 17 September 2012 through 19 September 2012, p. 2145-2155
Conference paper - peer reviewed
2012

An improved modal approach for model reduction based on input-output relation

Majid Khorsand Vakilzadeh, Sadegh Rahrovani, Thomas Abrahamsson et al
International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD). KU Leuven, Dept Mech Engn, Leuven, BELGIUM. SEP 17-19, 2012, p. 3451-3459
Conference paper - peer reviewed
2012

On Grammian-based reduction methods for moderate size systems

Sadegh Rahrovani, Majid Khorsand Vakilzadeh, Thomas Abrahamsson et al
19th International Congress on Sound and Vibration 2012, ICSV 2012. Vol. 1, p. 73-80
Conference paper - peer reviewed
2012

An experimental approach to improve controllability in test rigs using passive components

Anders T Johansson, Thomas Abrahamsson,
Proceedings, International Conference on Noise and Vibration Engineering, ISMA2012; International Conference on Uncertainty in Structural Dynamics, USD2012. Editors : P. Sas, D. Moens, S. Jonckheere. KU Leuven (Belgium), 17 - 19 September 2012, p. 2367-2381
Conference paper - peer reviewed
2012

Automated modal analysis based on frequency response function estimates

Vahid Yaghoubi, Thomas Abrahamsson,
Conference Proceedings of the Society for Experimental Mechanics Series. 30th IMAC, A Conference on Structural Dynamics, Jacksonville, 30 January-2 February 2012. Vol. 5, p. 9-18
Conference paper - peer reviewed
2012

Improving test rig performance using passive components

Anders T Johansson, Thomas Abrahamsson,
Conference Proceedings of the Society for Experimental Mechanics Series. 30th IMAC, A Conference on Structural Dynamics, Jacksonville, 30 January-2 February 2012. Vol. 6, p. 437-442
Conference paper - peer reviewed
2011

Improving the TWR algorithm using passive control components

Anders T Johansson, Thomas Abrahamsson,
Svenska Mekanikdagar 13-15 juni 2011 Chalmers Göteborg (T. Abrahmsson, A. Boström, L. Davidson, W. Kropp, H. Nilsson, K. Runesson, U. Stigh, eds.),, p. 11
Conference paper - non peer reviewed
2011

Selecting Appropriate Analytical Mode Basis for SEREP-expansion of Experimental Modes

Anders T Johansson, Thomas Abrahamsson,
Proceedings of the 29th IMAC, A Conference on Structural Dynamics, 2011. Vol. 3
Conference paper - non peer reviewed
2010

Dynamic substructuring in metal cutting machine chatter

Anders Liljerehn, Anders T Johansson, Thomas Abrahamsson et al
Proceedings of ISMA2010 International Conference on Noise and Vibration Engineering Including USD2010, Leuven, 20-22 September 2010
Conference paper - peer reviewed
2009

Development, accomplishment and evaluation of a project course in applied mechanics---Lessons learnt

Mats Ander, Tomas Grönstedt, Thomas Abrahamsson et al
Svenska mekanikdagarna, Södertälje 2009, 15-17-juni, Session 7:4-Utbildning, sid 99 (1 page abstract), p. 99
Conference paper - non peer reviewed
2009

Ökad Styrbarhet i Komponentprovning genom Strukturmodifikationer

Anders T Johansson, Thomas Abrahamsson,
Svenska Mekanikdagar, 15-17 juni, Södertälje, 2009 (1 page abstract), p. 53
Conference paper - non peer reviewed
2008

Indirect Vibration Sensing and Optimal Sensor Placement

Per Sjövall, Tomas McKelvey, Thomas Abrahamsson et al
Proc. IMAC-XXVI conference
Conference paper - peer reviewed
2008

Increased Controllability in Component Testing using Structural Modifications

Anders T Johansson, Thomas Abrahamsson,
Proceedings of the 2008 Leuven Conference on Noise and Vibration Engineering (ISMA), september 15-17, Leuven, Belgium
Conference paper - peer reviewed
2007

Jämförande studie av felmått för modelluppdatering

Anders T Johansson, Thomas Abrahamsson,
Svenska Mekanikdagar, 13-15 juni, Luleå, 2007 (1 page abstract), p. 46
Conference paper - non peer reviewed
2007

Comparison of Several Error Metrics for FE Model Updating

Anders T Johansson, Thomas Abrahamsson, Fred van Keulen et al
Proceedings of the 25th International Modal Analysis Conference (IMAC-XXV), February 19-22, Orlando, Florida, USA,
Conference paper - non peer reviewed
2007

Substructure System Identification from Coupled System Test Data

Per Sjövall, Thomas Abrahamsson,
Mechanical Systems and Signal Processing
Scientific journal article - peer reviewed
2007

Transmisson Path Characterization for Passive Vibration Control

Per Sjövall, Thomas Abrahamsson,
Proceedings of the 14th International Congress on Sound and Vibration (ICSV14)
Conference paper - peer reviewed
2007

Component system identification and state-space model synthesis

Per Sjövall, Thomas Abrahamsson,
Mechanical Systems and Signal Processing. Vol. 21 (7), p. 2697-2714
Scientific journal article - peer reviewed
2007

State-space model identification for component synthesis

Per Sjövall, Thomas Abrahamsson,
Proceedings of the 25th International Modal Analysis Conference (IMAC-XXV), February 19-22, Orlando, Florida, USA
Conference paper - non peer reviewed
2006

Constrained state–space system identification with application to structural dynamics

Per Sjövall, Tomas McKelvey, Thomas Abrahamsson et al
Automatica. Vol. 42, p. 1539 – 1546
Scientific journal article - peer reviewed
2006

Constrained state–space system identification with application to structural dynamics

Per Sjövall, Tomas McKelvey, Thomas Abrahamsson et al
Preprints of the 14th IFAC Symposium on System Identification (SYSID 2006), 29-31 March 2006, Newcastle, Australia, p. 1294-1299
Conference paper - peer reviewed
2005

Optimising the informativeness of test data used for computational model updating

Andreas Linderholt, Thomas Abrahamsson,
Mechanical Systems and Signal Processing. Vol. 19 (4), p. 736-750
Scientific journal article - peer reviewed
2005

Passive Railway Car Secondary Suspension - Force, Power, Deflections, Roll and Comfort

Jessica Fagerlund, Jonas Sjöberg, Thomas Abrahamsson et al
Report
2005

Briefly on passive railway car suspension - force, power, deflection, roll and comfort

Jessica Fagerlund, Jonas Sjöberg, Thomas Abrahamsson et al
Mekatronikmöte, 10-11 november 2005, Halmstad, p. 1-3
Conference paper - non peer reviewed
2004

Subsystem State-Space Model Identification and Its Sensitivity to Test Variability

P. Kalling, Thomas Abrahamsson, Tomas McKelvey et al
Proceedings of the 2004 International Conference on Noise and Vibration Engineering, ISMA; Leuven; Belgium; 20 September 2004 through 22 September 2004, p. 2729-2743
Conference paper - peer reviewed