A Decidable Class of Asynchronous Distributed Controllers

  • Authors:
  • P. Madhusudan;P. S. Thiagarajan

  • Affiliations:
  • -;-

  • Venue:
  • CONCUR '02 Proceedings of the 13th International Conference on Concurrency Theory
  • Year:
  • 2002

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Abstract

We study the problem of synthesizing controllers in a natural distributed asynchronous setting: a finite set of plants interact with their local environments and communicate with each other by synchronizing on common actions. The controller-synthesis problem is to come up with a local strategy for each plant such that the controlled behaviour of the network meets a specification. We consider linear time specifications and provide, in some sense, a minimal set of restrictions under which this problem is effectively solvable: we show that the controller-synthesis problem under these restrictions is decidable while the problem becomes undecidable if any one or more of these three restrictions are dropped.