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Structural Damage detection and Reliability Estimation using a Multidimensional Monitoring Approach

By Juan Orlando Ortíz Galeano, Ricardo Enrique Gutiérrez Carvajal, Germán René Betancur Giraldo, Leonel Francisco Castañeda Heredia, Grzegorz Zajac and Johnny Gómez


Many structural elements are exposed to load conditions that are difficult to model during the design stage, such as environmental uncertainties, random impacts and overloading amongst others, thus, increasing un programmed maintenance and reducing confidence in the reliability of the structure in question -- One way to deal with this problem is to monitor the structural condition of the element -- This approach requires supervising several signals coming from critical locations and then, performing an accurate condition estimation of the element based on the data collected -- Herein, this paper implements a method to diagnosis and evaluate the reliability of the bolster beam structure of the railway-vehicle during a fatigue test -- The results show that multidimensional monitoring not only provides an accurate diagnosis of the element, but also that this technique allows to estimate reliability correctl

Topics: Sistemas complejos, Sistemas mecánicos, Monitoreo de Salud Estructural (SHM), Mantenimiento correctivo, FATIGA DE METALES, FACTOR DE SEGURIDAD EN INGENIERÍA, FALLAS ESTRUCTURALES, CONFIABILIDAD (INGENIERÍA), FERROCARRILES - MANTENIMIENTO Y REPARACIÓN, MEDICIONES MULTIDIMENSIONALES, FERROCARRILES - EQUIPOS Y ACCESORIOS, Metals - fatigue, Safety factor in engineering, Structural failures, Reliability (engineering), Railroads - maintenance and repair, Multidimensional scaling, Railroads - equipment and supplies
Publisher: Escuela de Ingeniería
Year: 2017
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