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dc.contributor.authorOuedraogo, L.
dc.contributor.authorKumar, R.
dc.contributor.authorMalik, Robi
dc.contributor.authorAkesson, Knut
dc.identifier.citationOuedraogo, L., Kumar, R., Malik, R. & Akesson, K. (2011). Nonblocking and safe control of discrete-event systems modeled as extended finite automata. IEEE Transactions on Automation Science and Engineering, 8(3), 560-569.en_NZ
dc.description.abstractExtended Finite Automata (EFA), i.e., finite automata extended with variables, are a suitable modeling framework for discrete event systems owing to their compactness, resulting from the use of variables. In this paper, we propose a symbolic algorithm that efficiently synthesizes a supervisor for a plant modeled by an EFA and a specification defined by another EFA. The principle of the algorithm is to iteratively strengthen the guards of the plant EFA so that forbidden or blocking states become unreachable in the controlled plant. As a consequence of the algorithm, the controlled behavior is modeled by an EFA having the same structure as the plant EFA, having stronger guards and is shown to be maximally permissive. We illustrate our algorithm via a simple manufacturing example.en_NZ
dc.subjectdiscrete event-systemsen_NZ
dc.subjectextended finite automata (EFA)en_NZ
dc.subjectsupervisory controlen_NZ
dc.titleNonblocking and safe control of discrete-event systems modeled as extended finite automataen_NZ
dc.typeJournal Articleen_NZ
dc.relation.isPartOfIEEE Transactions on Automation Science and Engineeringen_NZ

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