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Shock and Vibration
Volume 2014, Article ID 697497, 6 pages
http://dx.doi.org/10.1155/2014/697497
Research Article

Choice of Measurement Locations of Nonlinear Structures Using Proper Orthogonal Modes and Effective Independence Distribution Vector

Departamento de Engenharia Mecânica, Centro de Tecnologia, Universidade Federal do Rio de Janeiro, 21945-970 Ilha do Fundão, RJ, Brazil

Received 26 February 2013; Accepted 20 June 2013; Published 30 January 2014

Academic Editor: Hassan Haddadpour

Copyright © 2014 T. G. Ritto. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper proposes a methodology to automatically choose the measurement locations of a nonlinear structure/equipment that needs to be monitored while operating. The response of the computational model (or experimental data) is used to construct the proper orthogonal modes applying the proper orthogonal decomposition (POD), and the effective independence distribution vector (EIDV) procedure is employed to eliminate, iteratively, locations that contribute less for the independence of the target proper orthogonal modes.