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In this paper, the problems of failure diagnosability and sensor selection for failure detection and isolation in discrete-event systems are studied. The system could operate in normal condition, or in a set of faulty conditions each corresponding to a combination of failure modes of the system. A polynomial algorithm is proposed that verifies(More)
In this paper, an algorithm with polynomial time-complexity is presented for testing failure diagnosability in (untimed) discrete-event systems in a state-based framework. Furthermore, an algorithm for testing failure diagnosability in timed discrete-event systems is provided. The test for timed discrete-event systems, in particular, first gathers and(More)
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