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This note studies two closely related decision problems from the area of decentralized synthesis. The first problem is about deciding the existence of a non-empty decomposable sublanguage of a regular language, called Decomposable Sublanguage Problem; the second is Joint Observability Problem, which is known in the literature. We provide characterizations of the decidability of both decision problems...
Concurrency is a common feature in most industrial systems, where several components can execute different actions simultaneously. In this paper we first bring in a new supervisory control map for a concurrent system, and subsequently a new concept of concurrent controllability, then we show that the supremal concurrently controllable and normal sublanguages exist, which can be computed by an algorithm...
Blockingness is one of the major obstacles that need to be overcome in the Ramadge-Wonham supervisory synthesis paradigm. Owing to the high computational complexity usually resulted from synchronous product, it is difficult to synthesize a nonblocking supervisor for a large scale system. In this paper we aim to overcome this difficulty by presenting a distributed synthesis approach. The core idea...
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