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Modular and decentralized supervisory control of concurrent discrete event systems using reduced system models

Schmidt, Klaus Verner
Marchand, Hervé
Gaudin, Benoit
This work investigates the supervisor synthesis for concurrent systems based on reduced system models with the intention of complexity reduction. It is assumed that the expected behavior (specification) is given on a subset of the system alphabet, and the system behavior is reduced to this alphabet. Supervisors are computed for each reduced subsystem employing the modular approach in [5] and the decentralized approach in [8]. Depending on the chosen architecture, we provide sufficient conditions for the consistent implementation of the reduced supervisors for the original system