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System Identification in Structural Dynamics Using Blind Source Separation Techniques
Poncelet, Fabien; Kerschen, Gaëtan; Golinval, Jean-Claude et al.
2007In 7th International Conference on ICA and Signal, Londres, 2007
Peer reviewed
 

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Keywords :
Blind Source Separation; Second-Order Blind Identification; Structural Dynamics; Experimental Application
Abstract :
[en] This paper proposes to explore the potential of Blind Source Separation (BSS) techniques for the estimation of modal parameters, namely the resonant frequencies, vibration modes and damping ratios. The concept of virtual sources, which was introduced in recent publications, allows to consider BSS as a simple way of doing output-only modal analysis. This work illustrates the proposed methodology using free and random responses of an experimental truss structure.
Disciplines :
Physics
Electrical & electronics engineering
Mechanical engineering
Mathematics
Author, co-author :
Poncelet, Fabien ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Golinval, Jean-Claude  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures
Marin, F.;  V2i S.A., Liège, Belgium
Language :
English
Title :
System Identification in Structural Dynamics Using Blind Source Separation Techniques
Publication date :
2007
Event name :
7th International Conference on ICA and Signal
Event place :
London, United Kingdom
Audience :
International
Main work title :
7th International Conference on ICA and Signal, Londres, 2007
Peer reviewed :
Peer reviewed
Available on ORBi :
since 10 August 2009

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