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Generalised damage identification scheme via sparse representation

Wang, Ying and Hao, Hong 2013, Generalised damage identification scheme via sparse representation, in SHMII-6 2013 : Proceedings of The 6th International Conference on Structural Health Monitoring of Intelligent Infrastructure 2013, Hong Kong Polytechnic University, Hong Kong, China, pp. 1-8.

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Title Generalised damage identification scheme via sparse representation
Author(s) Wang, Ying
Hao, Hong
Conference name International Conference on Structural Health Monitoring of Intelligent Infrastructure (6th : 2013 : Hong Kong, China)
Conference location Hong Kong, China
Conference dates 9-11 Dec. 2013
Title of proceedings SHMII-6 2013 : Proceedings of The 6th International Conference on Structural Health Monitoring of Intelligent Infrastructure 2013
Editor(s) Xu, Y. L.
Zhu, S.
Xia, Y.
Ni, Y. Q.
Law, S. S.
Yin, J. H.
Su, Z. Q.
Publication date 2013
Conference series International Conference on Structural Health Monitoring of Intelligent Infrastructure
Start page 1
End page 8
Total pages 8
Publisher Hong Kong Polytechnic University
Place of publication Hong Kong, China
Keyword(s) structure
damage identification
pattern recognition
sparse representation
compressive sensing
Summary Structures inevitably deteriorate during their service lives. Therefore, the methods capable of identifying and assessing various damages in a structure timely and accurately have drawn increasing attention. From a broader perspective, structural damage identification problem can be regarded as a pattern recognition problem by using sparse representation techniques. The unknown signal/feature from a damaged structure can be associated to a known type of signal/feature in a “dictionary”, leading to damage identification. From this new angle, an innovative damage identification scheme has been proposed by the authors. In this paper, two important techniques of this scheme are further discussed, namely the construction of dictionary and the choice of parameters. The numerical simulated soil-pipe system is used for verifying the performance of the proposed method. The results demonstrate that this damage identification scheme will be a promising tool for structural health monitoring.
Language eng
Field of Research 090506 Structural Engineering
Socio Economic Objective 870501 Civil Building Management and Services
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2013, Hong Kong Polytechnic University
Persistent URL http://hdl.handle.net/10536/DRO/DU:30062902

Document type: Conference Paper
Collection: School of Engineering
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