publication . Article . 2011

Comparison of several methods for damage localization using indices and contributions based on PCA

Gharibnezhad, Fahit; Mujica Delgado, Luis Eduardo; Rodellar Benedé, José;
Open Access English
  • Published: 19 Jul 2011
  • Country: Spain
In previous works by the authors, it was shown the advantages of applying an active piezoelectric system in combination with Principal Component Analysis and Neural Networks as methodology for damage detection in structures. An active piezoelectric system considers the advantage of using piezoelectric transducers (PZT's) as actuator as well as sensor. In each phase of the diagnosis procedure, one PZT is used as actuator (a known electrical signal is applied) and the others are used as sensors (collecting the wave propagated through the structure at di erent points). An initial baseline model for undamaged structure is built applying Principal Component Analysis ...
free text keywords: :Matemàtiques i estadística::Matemàtica aplicada a les ciències [Àrees temàtiques de la UPC], Principal component analysis, Structures -- Damages -- Localization, Structures -- Damages -- Detection, PCA, Structural health onitoring, Anàlisi de components principals, Estructures, :Matemàtiques i estadística::Estadística matemàtica::Mètodes estadístics [Àrees temàtiques de la UPC], :Matemàtiques i estadística::Estadística aplicada::Estadística biosanitària [Àrees temàtiques de la UPC], Mathematical statistics, Estadística matemàtica--Aplicacions, 62P Applications, Data mining, computer.software_genre, computer, Piezoelectricity, Acoustics, Signal, Artificial neural network, Transducer, Actuator, Engineering, business.industry, business
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