Abstract
This paper is concerned with fault detection and location of discrete event systems (DES) modeled using interpreted Petri nets (IPN). In a DES model places and transitions may be epsiv-labeled for representing internal DES behavior. An efficient method for obtaining a diagnoser IPN model is proposed: based on the DES model, an Petri net is synthesized; this net consists of a single place and the same number of transitions that the system model; the current marking of this place is enough to determine and locate faults occurring within the DES
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