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Damage detection in composite materials structures under variable loads conditions by using fiber Bragg gratings and principal component analysis, involving new unfolding and scaling methods

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10.1177/1045389X14541493
 
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hdl:2117/24286

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Sierra Pérez, Julian
Güemes Gordo, Alfredo
Mujica Delgado, Luis EduardoMés informacióMés informacióMés informació
Ruiz Ordóñez, MagdaMés informacióMés informacióMés informació
Document typeArticle
Defense date2014-06-03
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
An innovative methodology based on the use of fiber Bragg gratings as strain sensors and strain field pattern recognition is proposed for damage detection in composite materials structures. The strain field pattern recognition technique is based on principal component analysis. Damage indices (T 2 and Q) and detection thresholds are presented. New techniques for unfolding and scaling tridimensional matrices arrays obtained from structures working under variable load conditions are presented.
CitationSierra-Pérez, J. [et al.]. Damage detection in composite materials structures under variable loads conditions by using fiber Bragg gratings and principal component analysis, involving new unfolding and scaling methods. "Journal of intelligent material systems and structures", 03 Juny 2014. 
URIhttp://hdl.handle.net/2117/24286
DOI10.1177/1045389X14541493
ISSN1045-389X
Publisher versionhttp://jim.sagepub.com/content/early/2014/07/09/1045389X14541493
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  • Departament de Matemàtiques - Articles de revista [2.971]
  • CoDAlab - Control, Modelització, Identificació i Aplicacions - Articles de revista [254]
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