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6th European Workshop on Structural Health Monitoring. Dresden. Germany. 2012. Report. The problem of vibration-based Fault Detection and Identification (FDI) in inherently Time-Varying (TV) structures is tackled via a statistical time series type method. This method is based on Functional Series Time-dependent AutoRegressive (FS-TAR) models combined with an appropriate statistical decision making scheme. Its performance is experimentally assessed via its application to fault detection and identification of a pick-and-place mechanism. The faults considered are of various types and occurrence locations, while their diagnosis is based solely on a single non-stationary vibration response signal acquired during normal operation. The method is shown to achieve effective FDI for all fault scenarios considered.
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25 декабря 2013
09 января 2014
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