Supervisory control of a class of discrete event processes
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Formal Methods in System Design
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ICTAC'04 Proceedings of the First international conference on Theoretical Aspects of Computing
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CAV'10 Proceedings of the 22nd international conference on Computer Aided Verification
The complexity of live sequence charts
FOSSACS'05 Proceedings of the 8th international conference on Foundations of Software Science and Computation Structures
Achieving distributed control through model checking
Formal Methods in System Design
Automatica (Journal of IFAC)
Synthesis of Open Reactive Systems from Scenario-Based Specifications
Fundamenta Informaticae - Application of Concurrency to System Design (ACSD'03)
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We introduce a decentralized observation problem, where the system under observation is modeled as a regular language L over a finite alphabet Σ and n subsets of Σ model distributed observation points. A regular language K ⊆ L models a set of distinguished behaviors, say, correct behaviors of the system. The objective is to check the existence of a function which, given the n observations corresponding to a behavior ρ ∈ L, decides whether ρ is in K or not. We prove that checking the existence of such a function is undecidable. We then use this result to show undecidability of a decentralized supervisory control problem in the discrete event system framework.