Fail-safe Modeling of Discrete Event Systems using Petri Nets
نویسندگان
چکیده
In this paper the effect of faults in the elements and parts of discrete event systems is investigated. In the occurrence of faults, some states of the system must be changed and some of them must be forbidden. For this goal, different states of these elements are examined and a model for fail-safe behavior of each state is introduced. Replacing new models of the target elements in the preliminary model by a systematic method, leads to a fail-safe discrete event system. Keywords—Discrete event systems, Fail-safe, Petri nets, Supervisory control.
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