An unknown input Kalman filter based component FDI algorithm and its application in automobiles
by S. Mondal, G. Chakraborty, K. Bhattacharyya
International Journal of Vehicle Autonomous Systems (IJVAS), Vol. 5, No. 3/4, 2007

Abstract: An Unknown Input Kalman Filter (UIKF) based Component Fault Detection and Isolation (CFDI) technique for a dynamical system, affected by both plant and measurement noise, is presented. The Fault Detection and Isolation (FDI) algorithm, which consists of two steps, is developed with the assumption that the fault occurs in a single component of the system. In step 1, the detection of the fault and the isolation of the faulty region are achieved. In the next step, the faulty parameter is isolated from the faulty region. The method is applied on a road vehicle model to show the effectiveness of the algorithm.

Online publication date: Thu, 03-Jan-2008

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