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Proceedings Paper

Structural damage detection using neural network and H(infinity symbol) filter algorithm
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Paper Abstract

In this paper we propose a neural network-based approach for damage detection of unknown structure systems. Newly developed global H Filter optimal learning algorithm for the neural network to simulate a structural response is developed. This algorithm is based on the worst-case disturbances design criterion, and is therefore robust with respect to model uncertainties and lack of statistical information to the exogenous signals. Simulation results are presented to identify dynamic response characteristics of nonlinear structural systems corresponding to different degrees of parameters changes, which indicate that damage occurred in the structure. It is shown that the proposed method is highly robust and more appropriate in practical early structural damage detection.

Paper Details

Date Published: 21 July 2004
PDF: 10 pages
Proc. SPIE 5394, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems III, (21 July 2004); doi: 10.1117/12.539511
Show Author Affiliations
Hesheng Tang, Kyoto Univ. (Japan)
Tadanobu Sato, Kyoto Univ. (Japan)


Published in SPIE Proceedings Vol. 5394:
Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems III
Tribikram Kundu, Editor(s)

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