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|Title:||Reliable supervisory control for general architecture of decentralized discrete event systems|
Discrete event systems
|Citation:||Liu, F., Lin, H. (2010-09). Reliable supervisory control for general architecture of decentralized discrete event systems. Automatica 46 (9) : 1510-1516. ScholarBank@NUS Repository. https://doi.org/10.1016/j.automatica.2010.06.011|
|Abstract:||In this paper, we investigate the reliable decentralized supervisory control of discrete event systems (DESs) under the general architecture, where the decision for controllable events is a combination of the conjunctive and disjunctive fusion rules. By reliable control, we mean that the performance of closed-loop systems will not be degraded even in the face of possible failures of some local supervisors. The main contributions are twofold. First, a necessary and sufficient condition for the existence of a k-reliable decentralized supervisor under the general architecture is presented after introducing notions of Σ̃uc-controllability and k-reliable Σ̃c-coobservability. Second, a polynomial-time algorithm to verify the reliable Σ̃c-coobservability of a specification is proposed. © 2010 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Staff Publications|
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