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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To access the full text documents, please follow this link: http://hdl.handle.net/2117/24286

dc.contributor	Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III
dc.contributor	Universitat Politècnica de Catalunya. CoDAlab - Control, Modelització, Identificació i Aplicacions
dc.contributor.author	Sierra Pérez, Julian
dc.contributor.author	Güemes Gordo, Alfredo
dc.contributor.author	Mujica Delgado, Luis Eduardo
dc.contributor.author	Ruiz Ordóñez, Magda
dc.date	2014-06-03
dc.identifier.citation	Sierra-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.
dc.identifier.citation	1045-389X
dc.identifier.citation	10.1177/1045389X14541493
dc.identifier.uri	http://hdl.handle.net/2117/24286
dc.language.iso	eng
dc.relation	http://jim.sagepub.com/content/early/2014/07/09/1045389X14541493
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria dels materials
dc.subject	Optical fibers
dc.subject	Structural control (Engineering)
dc.subject	Fibres òptiques
dc.subject	Control d'estructures (Enginyeria)
dc.title	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
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.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.

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