Neural Network Approach to Detection of Changes in Structural Parameters
Publication: Journal of Engineering Mechanics
Volume 122, Issue 4
Abstract
A neural network-based approach is presented for the detection of changes in the characteristics of structure-unknown systems. The approach relies on the use of vibration measurements from a “healthy” system to train a neural network for identification purposes. Subsequently, the trained network is fed comparable vibration measurements from the same structure under different episodes of response in order to monitor the health of the structure. It is shown, through simulation studies with linear as well as nonlinear models typically encountered in the applied mechanics field, that the proposed damage detection methodology is capable of detecting relatively small changes in the structural parameters, even when the vibration measurements are noise-polluted.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 122 • Issue 4 • April 1996
Pages: 350 - 360
Copyright
Copyright © 1996 American Society of Civil Engineers.
History
Published online: Apr 1, 1996
Published in print: Apr 1996
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