Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13461
Title: Wavelet-based sensitivity analysis of the impulse response function for damage detection
Authors: Law, SS
Li, XY
Issue Date: 2007
Publisher: American Society of Mechanical Engineers
Source: Journal of applied mechanics, 2007, v. 74, no. 2, p. 375-377 How to cite?
Journal: Journal of applied mechanics 
Abstract: This paper discusses the extraction of the wavelet-based impulse response function from the acceleration response using the discrete wavelet transform (DWT). The analytical formulation of the sensitivity of the DWT coefficient of the impulse response function with respect to a system parameter is then presented for structural damage detection. A numerical example with a 31-bar plane truss structure is used to verify the proposed method with different damage scenarios with or without model error and noise effect.
URI: http://hdl.handle.net/10397/13461
ISSN: 0021-8936
EISSN: 1528-9036
DOI: 10.1115/1.2189875
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