Multi-steps diagnosis of discrete event systems with Petri net models
by Dimitri Lefebvre
International Journal of Adaptive and Innovative Systems (IJAIS), Vol. 1, No. 2, 2010

Abstract: The aim of diagnosis is to detect and isolate faults according to the observable traces generated by the system. This article concerns multi-steps diagnosis of discrete event systems modelled with ordinary Petri nets. The main contribution is to decide which sets of places must be considered for r-steps diagnosis of some fault transitions or groups of fault transitions. Conditions and algorithms are proposed that lead to sensor selection in order to design diagnosers in a systematic way without expanding the reachability graph of the Petri net models.

Online publication date: Sun, 28-Mar-2010

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