Conference and journal papers from nearly two decades can be downloaded from this page in PDF format. All papers are related to Operational Modal Analysis. Some describes the theory whereas other presents experimental cases. The papers are organized by the year they were published.
A general framework for damage detection with statistical distance measures: Application to civil engineering structures.
Proceedings of the 8th International Operational Modal Analysis Conference (IOMAC) Vancouver, Canada, 2022.
Statistical damage detection and localization with mahalanobis distance applied to modal.
Proceedings of the 8th International Operational Modal Analysis Conference (IOMAC) Vancouver, Canada, 2022.
Uncertainty quantification of the Modal Phase Collinearity for complex valued mode shapes, Mechanical Systems and Signal Processing, Vol. 152, 2021, doi
Uncertainty quantification of the Modal Assurance Criterion in Operational Modal Analysis, Mechanical Systems and Signal Processing, Vol. 152, 2021, doi
Kalman filter-based subspace identification for operational modal analysis under unmeasured periodic excitation, Mechanical Systems and Signal Processing, Vol. 146, 2021, doi
Variance computation for system matrices and transfer function from input/output subspace system identification, IFAC World Congress, Berlin, 2020. Accepted for publication in IFAC Papers Online.
Kalman filter-based stochastic subspace identification under mixed stochastic and periodic excitation.
ERNSI 2019 – Workshop of the European Research Network on System Identification, Sep 2019, Maastricht, Netherlands. pp.1.
Hankel matrix normalization for robust damage detection.
IOMAC 2019 – 8th International Operational Modal Analysis Conference, May 2019, Copenhagen, Denmark. pp.1-8.
Variance computation of MAC and MPC for real-valued mode shapes from the stabilization diagram.
IOMAC 2019 – 8th International Operational Modal Analysis Conference, May 2019, Copenhagen, Denmark. pp.1-9.
Operational Modal Analysis of Rotating Machinery.
Proceedings of the 36th International Modal Analysis Conference (IMAC), Orlando, Florida, 2018.
Orthogonal projection-based harmonic signal removal for operational modal analysis.
Proceedings of the 36th International Modal Analysis Conference (IMAC), Orlando, Florida, 2018.
Variance computation of the Modal Assurance Criterion.
ISMA 2018 – 28th Conference on Noise and Vibration Engineering, Sep 2018, Leuven, Belgium. pp.1-12.
Variance Computation of Modal Parameter Estimates from UPC Subspace Identification.
Proceedings of the 7th International Operational Modal Analysis Conference (IOMAC) Ingolstadt, Germany, 2017.
Statistical methods for damage detection applied to civil structures.
EURODYN 2017 – 10th International Conference on Structural Dynamics, Sep 2017, Rome, Italy. pp.1919 – 1924
A comparison of damage detection methods applied to civil engineering structures.
EVACES 2017 – Experimental Vibration Analysis of Civil Engineering Structures, Jul 2017, San Diego, United States.
Comparison of Simultanous and Multi/Setup Measurement Strategies in Operational Modal Analysis.
Proceedings of the 6th International Operational Modal Analysis Conference (IOMAC) Gijon, Spain, 2015.
A Harmonic Peak Reduction Technique for Operational Modal Analysis of Rotating Machinery.
Proceedings of the 6th International Operational Modal Analysis Conference (IOMAC) Gijon, Spain, 2015.
Operational Modal Analysis on the Polar Supply and Research Vessel The S.A.Agulhas II.
Proceedings of the 6th International Operational Modal Analysis Conference (IOMAC) Gijon, Spain, 2015.
Subspace-based damage detection on steel frame structure under changing excitation.
Proceedings of the 32th International Modal Analysis Conference (IMAC) Orlando, Florida USA, 2014.
Artificial and Natural Excitation Testing of SWiFT Vestas V27 Wind Turbines.
Proceedings of the 32th International Modal Analysis Conference (IMAC) Orlando, Florida USA, 2014.
Subspace-Based Damage Detection under Changes in the Ambient Excitation Statistics.
Mechanical Systems and Signal Processing, Elsevier, 2014, 45, 1,pp.207-224. 10.1016/j.ymssp.2013.10.023.
Uncertainty Quantification for Modal Parameters from Stochastic Subspace Identification on Multi-Setup Measurements.
Mechanical Systems and Signal Processing, Elsevier, 2013, 36 (2), pp.562–581. 10.1016/j.ymssp.2012.11.011.
Efficient Multi-Order Uncertainty Computation for Stochastic Sub-space Identification.
Mechanical Systems and Signal Processing, Elsevier, 2013, 38 (2), pp.346-366. 10.1016/j.ymssp.2013.01.012.
Efficient uncertainty computation for modal parameters in stochastic subspace identification.
Proceedings of ISMA2012 Leuven, Belgium, 2012.
Operational Modal Analysis using a Fast Stochastic Subspace Identification Method.
Proceedings of the 30th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2012.
Fast Multi-Order Computation of System Matrices in Subspace-Based System Identification.
Control Engineering Practice, Elsevier, 2012, 20 (9), pp.882-894. 10.1016/j.conengprac.2012.05.
Displacement Based Approach for a Robust Operational Modal Analysis.
Proceedings of the 29th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2011.
Operational Modal Analysis of a Historic Tower in Bari.
Proceedings of the 29th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2011.
Confidence Intervals of Modal Parameters During Progressive Damage Test.
Proceedings of the 29th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2011.
Data Fusion for System Identification of the Humber Bridge.
Proceedings of the 29th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2011.
Uncertainty Quantification for Stochastic Subspace Identification of Multi-Setup Measurements.
Proceedings of the 4th International Operational Modal Analysis Conference (IOMAC), Istanbul, Turkey, 2011.
Crystal Clear SSI for Operational Modal Analysis of Aerospace Vehicles.
Proceedings of the 28th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2010.
Data Merging for Multi-Setup Operational Modal Analysis with Data-Driven SSI.
Proceedings of the 28th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2010.
Operational Modal Analysis of a Wind Turbine Mainframe using Crystal Clear SSI.
Proceedings of the 28th International Modal Analysis Conference (IMAC) Jacksonville, Florida USA, 2010.
Damping Characteristics of Timber Flooring Systems with Respect to Low-Frequency Vibration Modes.
Proceedings of the 10th World Conference on Timber Engineering 2008, Miyazaki, Japan 2008.
Ambient Testing and Model Updating of a Bridge for High-Speed Trains.
Proceedings of the 26th International Modal Analysis Conference (IMAC-XXVI) Orlando, Florida USA, 2008.
Applications of Frequency Domain Curve-fitting in the EFDD Technique.
Proceedings of the 26th International Modal Analysis Conference (IMAC) Orlando, Florida USA, 2008.
Mode Estimation of Civil Structures Subject to Ambient and Harmonic Excitation.
Proceedings of the 26th International Modal Analysis Conference (IMAC) Orlando, Florida USA, 2008.
Automated Modal Parameter Estimation For Operational Modal Analysis of Large Systems.
Proceedings of the 2nd International Operational Modal Analysis Conference (IOMAC), Copenhagen, Denmark, 2007.
Using EFDD as a Robust Technique to Deterministic Excitation in Operational Modal Analysis.
Proceedings of The 2nd International Operational Modal Analysis Conference (IOMAC), Copenhagen, Denmark, 2007.
Seismic Damage Assessment in Structures using Stochastic Subspace-based Algorithm.
Proceedings of The ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Rethymno, Crete, Greece, 2007.
Eliminating the Influence of Harmonic Components in Operational Modal Analysis.
Proceedings of The 25th International Modal Analysis Conference (IMAC), Orlando, Florida, 2007.
Automated Frequency Domain Decomposition for Operational Modal Analysis.
Proceedings of The 25th International Modal Analysis Conference (IMAC), Orlando, Florida, 2007.
Using Enhanced Frequency Domain Decomposition as a Robust Technique to Harmonic Excitation in Operational Modal Analysis.
Proceedings of the 23rd International Seminar on Modal Analysis, ISMA, Lueven, Belgium, 2006.
Subspace Identification of Modal Coordinate Time Series.
Proceedings of the 24th International Modal Analysis Conference (IMAC), St. Louis, Missouri, 2006.
Site Period Estimations using Microtremor Measurements- Experimental and Analytical Studies in British Columbia.
Proceedings of the 24th International Modal Analysis Conference (IMAC), St. Louis, Missouri, 2006.
Ambient Vibration Testing of Three Unreinforced Brick Masonry Buildings in Vancouver, Canada.
Proceedings of the 24th International Modal Analysis Conference (IMAC), St. Louis, Missouri, 2006.
Understanding Stochastic Subspace Identification.
Proceedings of the 24th International Modal Analysis Conference (IMAC), St. Louis, Missouri, 2006.
Operational Modal Analysis of the Braga Sports Stadium Suspended Roof.
Proceedings of the 24th International Modal Analysis Conference (IMAC), St. Louis, Missouri, 2006.
An Engineering Interpretation of the Complex Eigensolution of Linear Dynamic Systems.
Proceedings of the 23rd International Modal Analysis Conference (IMAC), Orlando, Florida, 2005.
A Frequency-Spatial Domain Decomposition (FSDD) Technique for Operational Modal Analysis.
Proceedings of the 23rd International Modal Analysis Conference (IMAC), Orlando, Florida, 2005.
Reduction in Inspection Costs for Dynamic Sensitive Steel Structures by Modal Based Fatigue Monitoring.
Proceedings of the 24th International Conference on Offshore Mechanics and Arctic Engineering (OMAE2005), Halkidiki, Greece, 2005.
Application of Random Decrement Technique in Operational Modal Analysis.
Proceedings of the 1st International Operational Modal Analysis Conference (IOMAC), Copenhagen, Denmark, 2005.
Scaling Factor Estimation by Mass Change Method.
Proceedings of the 1st International Operational Modal Analysis Conference (IOMAC), Copenhagen, Denmark, 2005.
Identification Techniques for Operational Modal Analysis – An Overview and Practical Experiences.
Proceedings of the 1st International Operational Modal Analysis Conference (IOMAC), Copenhagen, Denmark, 2005
An Overview of Operational Modal Analysis: Major Development and Issues.
Proceedings of the 1st International Operational Modal Analysis Conference (IOMAC), Copenhagen, Denmark, 2005.
Modal Based Fatigue Monitoring of Steel Structures.
Proceedings of the 6th International Conference on Structural Dynamics (EURODYN), Paris, France, 2005.
FEM Updating of Tall Buildings Using Ambient Vibration Data.
Proceedings of The 6th International Conference on Structural Dynamics (EURODYN), Paris, France, 2005.
Dynamic Properties of the Painter Street Overpass at Different Levels of Vibration.
Proceedings of the 6th International Conference on Structural Dynamics (EURODYN), Paris, France, 2005.
Einsatz von Vibrowalzen für die Verdichtung von Schwartzbel gen auf Brücken Strasse und verkehr, Nr. 9, September 2005. (In German)
Office Floor Vibrations: Modal Parameter Identification and Vibration Monitoring.
Proceedings of the 6th International Conference on Structural Dynamics (EURODYN) Paris, France, 2005.
Load Estimation from Natural Input Modal Analysis.
Proceedings of the 23rd International Modal Analysis Conference (IMAC), Orlando, Florida, 2005
Some Methods to Determine Scaled Mode Shapes in Natural Input Modal Analysis.
Proceedings of the 23rd International Modal Analysis Conference (IMAC), Orlando, Florida, 2005.
Determination of Stress Histories in Structures by Natural Input Modal Analysis.
Proceedings of the 23rd International Modal Analysis Conference (IMAC), Orlando, Florida, 2005.
Improving the Classical Geophone Sensor Element by Digital Correction.
Proceedings of the 23rd International Modal Analysis Conference (IMAC), Orlando, Florida, 2005.
An Overview of Major Developments and Issues in Modal Identification.
Proceedings of the 22nd International Modal Analysis Conference (IMAC), Detroit, Michigan, 2004.
Design of New Foundation for Offshore Wind Turbines.
Proceedings of the 22nd International Modal Analysis Conference (IMAC), Detroit, Michigan, 2004.
Improvement of Frequency Domain Output-Only Modal Identification from the Application of Random Decrement Techniques.
Proceedings of the 22nd International Modal Analysis Conference (IMAC), Detroit, Michigan, 2004.
Identification from the Natural Response of the Vasco Da Gama Bridge.
Proceedings of the 22nd International Modal Analysis Conference (IMAC), Detroit, Michigan, 2004.
Scaling the Mode Shapes of a Building Model by Mass Changes.
Proceedings of the 22nd International Modal Analysis Conference (IMAC), Detroit, Michigan, 2004.
Experimental Methods used in System Identification of Civil Engineering Structures. 2nd.
Workshop: Problemi di vibrazioni nelle strutture civili e nelle costruzioni meccaniche, Perugia, 10-11 Giugno, 2004.
Damping Estimation of Engineering Structures with Ambient Response Measurements.
Proceedings of the 21st International Modal Analysis Conference (IMAC), Kissimmee, Florida, 2003.
FEM Updating using Ambient Vibration Data from a 48-storey Building in Vancouver, British Columbia, Canada.
Proceedings of the 32nd International Congress and Exposition on Noise Control Engineering (InterNoise), Seogwipo, Korea, 2003.
Why Output-Only Modal Testing is a Desirable Tool for a Wide Range of Practical Applications.
Proceedings of the 21st International Modal Analysis Conference (IMAC). Kissimmee, Florida, 2003.
Comparison of Dynamic Characteristics of Two Instrumented Tall Buildings.
Proceedings of the 21st International Modal Analysis Conference (IMAC). Kissimmee, Florida, 2003.
A Way of Getting Scaled Mode Shapes in Output Only Modal Testing.
Proceedings of the 21st International Modal Analysis Conference (IMAC), Kissimmee, Florida, 2003.
A Unified Approach for Two-Stage Time Domain Modal Identification.
Proceedings of the 20th International Modal Analysis Conference (IMAC), Los Angeles, California, 2002.
Ambient Vibration Testing & Modal Identification of a Building.
Proceedings of the 20th International Modal Analysis Conference (IMAC), Los Angeles, California, 2002.
Bridge Vibrations Excited Through Vibro-Compaction of Bituminous Deck Pavement.
Proceedings of the International Conference on Structural Dynamics (EURODYN 2002) München, Germany, 2002.
Modal Indicators for Operational Modal Identification.
Proceedings of the 19th International Modal Analysis Conference (IMAC), Kissimmee, Florida, pp.746-752, 2001.
Damping Estimation by Frequency Domain Decomposition.
Proceedings of the 19th International Modal Analysis Conference (IMAC), Kissimmee, Florida, pp.698-703, 2001.
FEM Updating of the Heritage Court Building Structure.
Proceedings of the 19th International Modal Analysis Conference (IMAC), Kissimmee, Florida, pp.324-330, 2001.
Modal Testing of Mechanical Structures Subject to Operational Excitation Forces.
Proceedings of the 19th International Modal Analysis Conference (IMAC), Kissimmee, Florida, pp.262-269, 2001.
Identification and Level 1 Damage Detection of the Z24 Highway Bridge by Frequency Domain Decomposition Experimental Techniques, Vol 25 No. 6,
The Society of Experimental Mechanics (SEM).
Modal Testing of Mechanical Structures to Operational Forces.
Proceedings of the 25th International Seminar on Modal Analysis (ISMA), Noise And Vibration Engineering Volume 11. Leuven, Belgium, pp.741-748, 2000
Output-Only Modal Anlysis by Frequency Domain Decomposition.
Proceedings of the 25th International Seminar on Modal Analysis (ISMA), Noise and Vibration Engineering Volume 11. Leuven, Belgium, pp.717-723, 2000.
An Indicator for Separation of Structural and Harmonic Model in Output-Only Modal Testing.
Proceedings of the European COST F3 Conference On System Identification & Structural Health Monitoring.
Proceedings of the Conference held in E.T.S.I. Aeronauticos, Madrid, pp.265-272, 2000.
Modal Extraction on a Diesel Engine in Operation.
Proceedings of the 18th International Modal Analysis Conference (IMAC), San Antonio, Texas, pp.1845-1851,2000.
An Indicator for Separation of Structural and Harmonic Modes in Output-Only Modal Testing.
Proceedings of the 18th International Modal Analysis Conference (IMAC), San Antonio, Texas, pp.1649-1654,2000.
Ambient Response Analysis of the Heritage Court Building Structure.
Proceedings of the 18th International Modal Analysis Conference (IMAC), San Antonio, Texas, pp.1081-1087,2000.
Output Only Testing of a Car Body Subject to Engine Excitation.
Proceedings of the 18th International Modal Analysis Conference (IMAC), San Antonio, Texas, pp.786-792,2000.
Modal Identification from Ambient Responses using Frequency Domain Decomposition.
Proceedings of the 18th International Modal Analysis Conference (IMAC), San Antonio, Texas, pp.625-630,2000.
Ambient Response Analysis of the Great Belt Bridge.
Proceedings of the 18th International Modal Analysis Conference (IMAC), San Antonio, Texas, pp.26-32,2000.
Modal Decomposition of Measured Vortex Induced Response of Drilling Risers.
Proceedings of ISOPE99, 1999.
Comparison of System Identification Methods using Ambient Bridge Test Data.
Proceedings of the 17th International Modal Analysis Conference (IMAC), Kissimmee, Florida, pp.1035-1041, 1999.
ARMA Models in Modal Space.
Proceedings of the 17th International Modal Analysis Conference (IMAC), Kissimmee, Florida, pp.330-334, 1999.
Estimation of Modal Parameters and their Uncertainties.
Proceedings of the 17th International Modal Analysis Conference (IMAC), Kissimmee, Florida, pp.323-329, 1999.
Ambient Response Analysis Modal Analysis for Large Structures.
Proceedings of the International Congress On Sound And Vibration, Technical University of Denmark, Lyngby, pp.2549-2558,1999.
Ambient Modal Testing of the Vestvej Bridge Using Random Decrement.
Proceedings of the 16th International Modal Analysis Conference (IMAC), Santa Barbara, California, pp.922-928, 1998.
Random Decrement: Identification of Structures Subjected to Ambient Excitation.
Proceedings of the 16th International Modal Analysis Conference (IMAC), Santa Barbara, California, pp.914-921, 1998.
A New Approach for Predicting The Variance of Random Decrement Functions.
Proceedings of the 16th International Modal Analysis Conference (IMAC), Santa Barbara, California, pp.542-549, 1998.
Use of Statistical Information for Damage Assessment of Civil Engineering Structures.
Proceedings of the 16th International Modal Analysis Conference (IMAC), Santa Barbara, California, pp.363-368, 1998.
Statistical Damage Detection of Civil Engineering Structural Using ARMAV Models.
Proceedings of the 16th International Modal Analysis Conference (IMAC), Santa Barbara, California, pp.356-362, 1998.
Random Decrement Based FRF Estimation.
Proceedings of the 15th International Modal Analysis Conference (IMAC), Orlando, Florida, pp.1571-1576, 1997.
Application of Vector Triggering Random Decrement.
Proceedings of the 15th International Modal Analysis Conference (IMAC), Orlando, Florida, pp.1165-1171, 1997.
Filtering Out Environmental Effects in Damage Detecion of Civil Engineering Structures.
Proceedings of the 15th International Modal Analysis Conference (IMAC), Orlando, Florida, pp.905-911, 1997.
Structural Time Domain Identification (STDI) Toolbox for use with Matlab.
Proceedings of the 15th International Modal Analysis Conference (IMAC), Orlando, Florida, pp.896-900, 1997.
State Space Identification of Civil Engineering Structures from Output Measurements.
Proceedings of the 15th International Modal Analysis Conference (IMAC), Orlando, Florida, pp.889-895, 1997.
Vector Triggering Random Decrement Technique for Higher Identification Accuracy.
Proceedings of the 15th International Modal Analysis Conference (IMAC), Orlando, Florida, pp.502-509, 1997.
Theory of Covariance Equivalent ARMAV Models of Civil Engineering Structures.
Proceedings of The 14th International Modal Analysis Conference (IMAC), Dearborn, Michigan, pp.518-524, 1996.
Ambient Data to Analyse the Dynamic Behaviour of Bridges: A First Comparison Between Different Techniques.
Proceedings of The 14th International Modal Analysis Conference (IMAC), Dearborn, Michigan, pp.477-482, 1996.
Random Decrement and Regression Analysis of Traffic Responses of Bridges.
Proceedings of The 14th International Modal Analysis Conference (IMAC), Dearborn, Michigan, pp.453-458, 1996.
Modal Parameter Identification from Responses of General Unknown Random Inputs.
Proceedings of The 14th International Modal Analysis Conference (IMAC), Dearborn, Michigan, pp.446-452, 1996.
Estimation of Frequency Response Functions by Random Decrement.
Proceedings of The 14th International Modal Analysis Conference (IMAC), Dearborn, Michigan, pp.246-252, 1996.
On the Uncertainty of Identification of Civil Engineering Structures using ARMA Models.
Proceedings of the 13th International Modal Analysis Conference (IMAC), Nashville, Tennessee, pp.1115-1121,1995.
Damage Detection in Laboratory Concrete Beams.
Proceedings of the 13th International Modal Analysis Conference (IMAC), Nashville, Tennessee, pp.668-674,1995.
Damage Detection in an Offshore Structure.
Proceedings of the 13th International Modal Analysis Conference (IMAC),Nashville, Tennessee, pp.661-667,1995.
Estimation of the Coefficient of Restitution of Rocking Systems by the Random Decrement Technique.
Proceedings of The 12th International Modal Analysis Conference (IMAC), Honolulu, Hawaii, pp.528-534,1994.
Estimation Of Correlation Functions By The Random Decrement Technique.
Proceedings of The 10th International Modal Analysis Conference (IMAC) San Diego,Califonia, pp.571,1992.
Estimation Of Correlation Functions By The Random Decrement Technique.
Proceedings of The Florence Modal Analysis Conference.
Held Under The Auspices Of The Consiglio Nationale Delle Ricerche Florence, Italy, pp.783-788,1991.
Optimal Design Of Measurement Programs For The Parameter Identification Of Dynamic Systems.
Proceedings of The Florence Modal Analysis Conference.
Held Under The Auspices Of The Consiglio Nationale Delle Ricerche Florence, Italy, pp.495-502,1991.
Identification Of System Parameters By The Random Decrement Technique.
Proceedings of The Florence Modal Analysis Conference.
Held Under The Auspices Of The Consiglio Nationale Delle Ricerche, Florence, Italy, pp.465-472,1991.
Detection Of Fatigue Damage In a Steel Member.
Proceedings of The Florence Modal Analysis Conference.
Held Under The Auspices Of The Consiglio Nationale Delle Ricerche, Florence, Italy, pp.373-379,1991.
Optimal Design Of Measurement Programs For The Parameter Identification Of Dynamic Systems.
Proceedings of The 9th International Modal Analysis Conference (IMAC), Firenze (Florence),Italy, pp.830-837,1991.
Estimation Of Correlation Functions By The Random Decrement Technique.
Proceedings of The 9th International Modal Analysis Conference (IMAC), Firenze (Florence),Italy, pp.610-615,1991.
