Decentralized Supervisory Control of Discrete Event Systems: Involving the Fusion System in the Decision-Making

A. Khoumsi and H. Chakib (Canada)


Decentralized Supervisory Control, Local supervisors, Fu sion system, Distributing the decision-making.


In this paper, we propose a new architecture for decen tralized control of discrete event systems, whose basic principle is as follows: for every event which is control lable by several supervisors, each of the latter takes an enabling/disabling decision only when it is sure that this is the right decision which can be applied to the plant. Otherwise, the supervisor transmits its local information to the fusion system which will thus be involved in the enabling/disabling decision-making. We compare our ap proach with the previous decentralized approaches.

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