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Comparison Among Different Structural System Identification Methods

 Comparison Among Different Structural System Identification Methods
Auteur(s): , , ORCID
Présenté pendant IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016, publié dans , pp. 498-505
DOI: 10.2749/222137816819258933
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The observability techniques have been proposed to deal with structural system identification under static loading tests. Up to now, this method has only been analyzed from a symbolical point of vi...
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Détails bibliographiques

Auteur(s):

ORCID
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016
Publié dans:
Page(s): 498-505 Nombre total de pages (du PDF): 8
Page(s): 498-505
Nombre total de pages (du PDF): 8
Année: 2016
DOI: 10.2749/222137816819258933
Abstrait:

The observability techniques have been proposed to deal with structural system identification under static loading tests. Up to now, this method has only been analyzed from a symbolical point of view. Despite the elegance of this approach, this mathematic analysis is far from being applicable in actual structures. To fill this gap, this paper presents a new observability procedure that combines both a symbolical and a numerical approach. To illustrate the potential of the proposed method, the observability technique is compared with two alternative methods presented in the literature. This comparison shows that, unlike to other analyzed methods, no information from the undamaged structure is required. Furthermore, the number of measurements required to be measured for damage detection is significantly reduced.