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Desynchronizability of (Partial) Synchronous Closed Loop Systems

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Author(s): H. Beohar | P. Cuijpers

Journal: Scientific Annals of Computer Science
ISSN 1843-8121

Volume: 21;
Issue: 1;
Start page: 5;
Date: 2011;
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ABSTRACT
The task of implementing supervisory controllers is non-trivial, even though there are different theories that allow automatic synthesis of such controllers in the form of automata. One of the reasons for this discord, is the asynchronous interaction between a plant and its controller in implementations, whereas the existing supervisory control theories assume synchronous interaction. As a consequence the implementation suffers from the so-called inexact synchronization problem. To address this issue, we find sufficient conditions under which a synchronous closed loop system is branching bisimilar to its corresponding asynchronous closed loop system. Furthermore, we extend this result to include interaction of plant or supervisor with its environment.
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