Nonlinear System Identification in Structural Dynamics: Current Status and Future Directions

Kerschen, Gaëtan; Worden, K.; Vakakis, Alexander F.; Golinval, Jean-Claude

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Nonlinear System Identification in Structural Dynamics: Current Status and Future Directions

Kerschen, Gaëtan; Worden, K.; Vakakis, Alexander F. et al.

2007 • In 25th International Modal Analysis Conference, Orlando, 2007

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Keywords :

non-linear system identification; mathematical models; structures; modal density

Abstract :

[en] Nonlinear system identification aims at developing high-fidelity mathematical models in the presence of nonlinearity from input and output measurements performed on the real structure. The present paper is a discussion of the recent developments in this research field. Three of the latest approaches are presented, and application examples are considered to illustrate their fundamental concepts, advantages and limitations. Another objective of this paper is to identify future research needs, which would make the identification of structures with a high modal density in abroad frequency range viable.

Disciplines :

Computer science
Mechanical engineering
Physics

Author, co-author :

Kerschen, Gaëtan ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux

Worden, K.; Dynamics Research Group, University of Sheffield, U.K.

Vakakis, Alexander F.; Division of Mechanics, National Technical University of Athens, Greece

Golinval, Jean-Claude ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS - Vibrations et identification des structures

Language :

English

Title :

Nonlinear System Identification in Structural Dynamics: Current Status and Future Directions

Publication date :

2007

Event name :

25th International Modal Analysis Conference

Event place :

Orlando, Floride, United States

Audience :

International

Main work title :

25th International Modal Analysis Conference, Orlando, 2007

Available on ORBi :

since 17 September 2009

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366 (2 by ULiège)

Number of downloads

2065 (22 by ULiège)

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Scopus citations^®
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