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Supervisory control theory, introduced by Ramadge and Wonham, provides a method to synthesize a supervisor that keeps a discrete-event system model inside a previously specified safe state space. In order to apply this technique on physical plants, the user has to provide a model representation of the latter, on the one hand, and of the safety specification on the other hand. This contribution introduces...
The supervisory control theory is a conceptual framework to keep a discrete-event system in a desired state space by disabling controllable events. This paper introduces a new software tool to create supervisors for actual, physical plants in terms of a PLC code implementation. It points out the differences between SCT-synthesized supervisors and controllers and identifies a scenario in which practical...
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