Browsing by Author "Sulek, A.N."
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Conference Object Citation - Scopus: 2Computation of Supervisors for Fault-Recovery and Repair for Discrete Event Systems(Univelt Inc., 2014) Sulek, A.N.; Schmidt, K.W.; 17337; 107424In this paper, we study the fault-recovery and repair of discrete event systems (DES). To this end, we first develop a new method for the fault-recovery of DES. In particular, we compute a fault-recovery supervisor that follows the specified nominal system behavior until a fault-occurrence, that continues its operation according to a degraded specification after a fault and that finally converges to a desired behavior after fault. We next show that our method is also applicable to system repair and we propose an iterative procedure that determines a supervisor for an arbitrary number of fault occurrences and system repairs. We demonstrate our method with a manufacturing system example. Copyright © 2014 IFAC.