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Supervisory control of extended finite automata using transition projection
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics.ORCID iD: 0000-0001-5703-5923
2012 (English)In: Decision and Control (CDC), 2012 IEEE 51st Annual Conference on, IEEE , 2012, 7259-7266 p.Conference paper (Refereed)
Abstract [en]

A limitation of the Ramadge and Wonham (RW) framework for the supervisory control theory is the explicit state representation using finite automata, often resulting in complex and unintelligible models. Extended finite automata (EFAs), i.e., deterministic finite automata extended with variables, provide compact state representation and then make the control logic transparent through logic expressions of the variables. A challenge with this new control framework is to exploit the rich control structure established in RW's framework. This paper studies the decentralized control structure with EFAs. To reduce the computational complexity, the controller is synthesized based on model abstraction of subsystems, which means that the global model of the entire system is unnecessary. Sufficient conditions are presented to that guarantee the decentralized supervisors result in maximally permissive and nonblocking control to the entire system.

Place, publisher, year, edition, pages
IEEE , 2012. 7259-7266 p.
, Proceedings of the IEEE Conference on Decision and Control, ISSN 0191-2216
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-118905DOI: 10.1109/CDC.2012.6427390ScopusID: 2-s2.0-84874227269OAI: diva2:609070
51st IEEE Conference on Decision and Control, CDC 2012, 10 December 2012 through 13 December 2012, Maui, HI

QC 20130304

Available from: 2013-03-04 Created: 2013-03-04 Last updated: 2013-03-04Bibliographically approved

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