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Diagnosing hybrid dynamical systems: fault graphs, statistical residuals and Viterbi algorithms

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3 Author(s)
M. Basseville ; IRISA, Rennes, France ; A. Benveniste ; L. Tromp

We address the problem of model-based fault diagnosis for hybrid numeric/symbolic dynamical systems. The objective is the systematic design of fault diagnosis algorithms, based on fault graphs provided by reliability analysis and on-board sensor data processing. We propose an approach, based on HMM ideas and a Viterbi algorithm. Experimental results of the proposed approach for a simulated mechanical engineering example are reported. Extensions for taking into account a discrete controller and fault concurrence are discussed

Published in:

Decision and Control, 1998. Proceedings of the 37th IEEE Conference on  (Volume:4 )

Date of Conference:

16-18 Dec 1998