Paper Title:
Structural Damage Localization Using D-S Evidence Theory
  Abstract

Damage localization is a key issue in the Structural Health Monitoring (SHM). In order to enhance the accuracy of damage localization, an approach based on D-S evidence theory is studied in this paper. First, damage results obtained from the modal strain energy change ratio (MSECR) method and the multiple damage location assurance criterion (MDLAC) method are regarded as two independent information sources, respectively. And then, the D-S evidence theory-based information fusion technique is employed to integrate these two results and make a final decision. To compare the damage identification results under different methods, a practical damage evaluation indicator is presented. Numerical study on a cantilever beam is carried out to verify the proposed method. Results indicate that the damage evaluation indicators calculated by D-S evidence theory are superior to the single method. That is to say, structural damage identification method based on D-S evidence theory performs very well in determining the damage locations.

  Info
Periodical
Chapter
Chapter 4: Structural Engineering
Edited by
Paul P. Lin and Chunliang Zhang
Pages
999-1003
DOI
10.4028/www.scientific.net/AMM.105-107.999
Citation
J. H. Zhao, L. Zhang, "Structural Damage Localization Using D-S Evidence Theory", Applied Mechanics and Materials, Vols. 105-107, pp. 999-1003, 2012
Online since
September 2011
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Price
$32.00
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