Paper Title:
Evaluating Identification Indices on Damage Detection by a Fuzzy Analytical Hierarchy Process
  Abstract

In order to evaluate the identification precision and the computational efficiency of identification indices on damage detection and provide a reasonable basis to choose identification indices for deeply developing structural damage identification, a fuzzy analytical hierarchy process is used to comprehensive analyse and assess nine kinds of identification indices. By establishing the mathematical relationship between the precedence relation matrix and the fuzzy judgement matrix, the consistency of the judgement matrix in analytical hierarchy process is effectively improved. Using above methods and based on three evaluation standards that include mean error, network scale and measuring difficulty , a fuzzy hierarchy to assess identification indices is set up. On the basis of the fuzzy judgement matrix, the performance of nine kinds of identification indices is ranked. Empirical results show that deflection, first modal shape and fundamental frequency are more suitable for identification indices than other indices. And a fuzzy judgement matrix can be established only using the relative relationship between identification indices in the fuzzy analytical hierarchy process. Thus, the fuzzy analytical hierarchy process can be convenient extended to evaluate other identification indices and effectively improve the identification precision and the computational efficiency on damage detection.

  Info
Periodical
Advanced Materials Research (Volumes 163-167)
Edited by
Lijuan Li
Pages
2934-2940
DOI
10.4028/www.scientific.net/AMR.163-167.2934
Citation
S. L. Zhang, S. F. Chen, H. D. Wang, W. Wang, "Evaluating Identification Indices on Damage Detection by a Fuzzy Analytical Hierarchy Process", Advanced Materials Research, Vols. 163-167, pp. 2934-2940, 2011
Online since
December 2010
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Price
$35.00
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