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Multilayer Perceptron in Damage Detection of Bridge Structures

Pandey, PC and Barai, SV (1995) Multilayer Perceptron in Damage Detection of Bridge Structures. In: Computers and Structures, 54 (4). pp. 597-608.

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Recent developments in artificial neural networks (ANN) have opened up new possibilities in the domain of structural engineering. For inverse problems like structural identification of large civil engineering structures such as bridges and buildings where the in sifu measured data are expected to be imprecise and often incomplete, the ANN holds greater promise. The detection of structural damage and identification of damaged element in a large complex structure is a challenging task indeed. This paper presents an application of multilayer perceptron in the damage detection of steel bridge structures, The issues relating to the design of network and learning paradigm are addressed and network architectures have been developed with reference to trussed bridge structures. The training patterns are generated for multiple damaged zones in a structure and performance of the networks with one and two hidden layers are examined. It has been observed that the performance of the network with two hidden layers was better than that of a single-layer architecture in general. The engineering importance of the whole exercise is demonstrated from the fact that measured inout at only a few locations in the structure is needed in the identification process using the ANN. ’

Item Type: Journal Article
Publication: Computers and Structures
Publisher: Elsevier
Additional Information: The copyright belongs to Elsevier.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 14 Jun 2006
Last Modified: 19 Sep 2010 04:29
URI: http://eprints.iisc.ac.in/id/eprint/7612

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