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The suspension system plays a crucial role of rail vehicles. The fault detection of the suspension system is an effective way to ensure the security, stable operation of rail vehicles. This paper concerns the fault detection issue of rail vehicle suspension systems with the extended form of Partial Least Squares(PLS), which is Multi-block Partial Least Squares (MBPLS). The signal information used...
In this paper, fault isolation issue for Light Rail Vehicle suspension system based on multi-sensor information fusion is discussed. The faults considered are the vertical damper fault and the vertical spring fault in suspension systems. The Eros is applied for similarity measurement in the fault feature database, Fast Fourier Transformation for nine sensor outputs equipped on the vehicle. After the...
This paper addresses fault detection issues of railway vehicle suspension systems using a robust fault detection observer designed based on generalized Kalman-Yakubovich-Popov(GKYP) lemma. Two kinds of faults, a secondary lateral damper failure and a lateral accelerometer failure, are concerned. The simulation result shows that the robust fault detection observer is effective for the underlying fault...
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