Supervisory Control Synthesis of Discrete-Event Systems using Coordination Scheme

Details Supervisory Control Synthesis of Discrete-Event Systems using Coordination Scheme Supervisory Control Synthesis of Discrete-Event Systems using Coordination Scheme

2010-07-16

arxiv.org/abs/1007.2707v1

Mathematics

Optimization and Control

29 pages, 11 figures

Scientific paper

10.1016/j.automatica.2011.07.008

Supervisory control of discrete-event systems with a global safety specification and with only local supervisors is a difficult problem. For global specifications the equivalent conditions for local control synthesis to equal global control synthesis may not be met. This paper formulates and solves a control synthesis problem for a generator with a global specification and with a combination of a coordinator and local controllers. Conditional controllability is proven to be an equivalent condition for the existence of such a coordinated controller. A procedure to compute the least restrictive solution is also provided in this paper and conditions are stated under which the result of our procedure coincides with the supremal controllable sublanguage.

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