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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


From centralized to decentralized approach for optimal Controller of Discrete Manufacturing Systems

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Author A. Philippot, A. Tajer, V. Carré-Ménétrier
ISSN 2225-7217
On Pages 936-949
Volume No. 2
Issue No. 10
Issue Date December 01, 2012
Publishing Date December 01, 2012
Keywords Discrete Event System, Control Synthesis, Modeling, Manufacturing System



Abstract

This paper deals with a comparison of centralized and decentralized approaches to obtain an optimal controller for discrete manufacturing systems. It is based on a modular modeling of the plant to avoid combinatory explosion found in centralized structure and a synthesis algorithm. From the local Plant Elements, local constraints are defined to build local supervisors. Local constraints restrict the system behavior within a desired specification. Global constraints are added to establish high level supervisors. The resulting automata are translated in a normalized language for implementation in a Programmable Logic Controller. Copyright © 2012 APRN. - All rights reserved.


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