Parameter estimation of the generalized extreme value distribution for structural health monitoring

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dc.contributor.authorPark, Hyun Wooko
dc.contributor.authorSohn, Hoonko
dc.date.accessioned2010-06-09T08:20:09Z-
dc.date.available2010-06-09T08:20:09Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2006-10-
dc.identifier.citationPROBABILISTIC ENGINEERING MECHANICS, v.21, no.4, pp.366 - 376-
dc.identifier.issn0266-8920-
dc.identifier.urihttp://hdl.handle.net/10203/18794-
dc.description.abstractStructural health monitoring (SHM) can be defined as a statistical pattern recognition problem which necessitates establishing a decision boundary for damage identification. In general, data points associated with damage manifest themselves near the tail of a baseline data distribution, which is obtained from a healthy state of a structure. Because damage diagnosis is concerned with outliers potentially associated with damage, improper modeling of the tail distribution may impair the performance of SHM by misclassifying a condition state of the structure. This paper attempts to address the issue of establishing a decision boundary based on extreme value statistics (EVS) so that the extreme values associated with the tail distribution can be properly modeled. The generalized extreme value distribution (GEV) is adopted to model the extreme values. A theoretical framework and a parameter estimation technique are developed to automatically estimate model parameters of the GEV. The validity of the proposed method is demonstrated through numerically simulated data, previously published real sample data sets, and experimental data obtained from the damage detection study in a composite plate. (c) 2005 Elsevier Ltd. All rights reserved.-
dc.description.sponsorshipThe authors would like to thank Prof. Keith Worden’s contribution to the initial implementation of the differential evolution code used in this study. The authors also wish to recognize the Weapon Response Group (ESA-WR) of Los Alamos National Laboratory for providing the experimental data for the composite plate test for this study. The first author would like to acknowledge the Post-doctoral Fellowship Program of the Korea Science & Engineering Foundation (KOSEF) in 2003.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherELSEVIER SCI LTD-
dc.titleParameter estimation of the generalized extreme value distribution for structural health monitoring-
dc.typeArticle-
dc.identifier.wosid000241610900008-
dc.identifier.scopusid2-s2.0-33748329364-
dc.type.rimsART-
dc.citation.volume21-
dc.citation.issue4-
dc.citation.beginningpage366-
dc.citation.endingpage376-
dc.citation.publicationnamePROBABILISTIC ENGINEERING MECHANICS-
dc.identifier.doi10.1016/j.probengmech.2005.11.009-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorSohn, Hoon-
dc.contributor.nonIdAuthorPark, Hyun Woo-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorstructural health monitoring (SHM)-
dc.subject.keywordAuthorstatistical pattern recognition-
dc.subject.keywordAuthordecision boundary-
dc.subject.keywordAuthorextreme value statistics (EVS)-
dc.subject.keywordAuthorgeneralized extreme value distribution (GEV)-
dc.subject.keywordAuthorparameter estimation-
dc.subject.keywordAuthornonlinear optimization-
dc.subject.keywordAuthorsequential quadratic programming (SQP)-
dc.subject.keywordAuthordifferential evolution (DE)-
dc.subject.keywordAuthordomain of attraction-
dc.subject.keywordPlusFREQUENCY-DISTRIBUTION-
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