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Reconfiguration dynamique de la commande d'un système manufacturier : approche par la synthèse de la commande

Abstract : This work is a contribution to manufacturing systems control and more particularly to their dynamic reconfiguration. In the case of reconfiguration, the background idea is to synthesize controllers according with the user's request and the state of the system. In this case, we have developed a synthesis approach inspired of the supervisory control theory but adapted to the formalism of Petri Nets.
The first part of this work situates our contribution with respect to control synthesis based on PN formalism. The selection of PN is justified by their expression power with regard to the modeling of mechanisms such as parallelism and synchronization. Thereby, in our approach we address the different types of user specifications. We present a new problem: the “Forbidden Sequences of State-Transitions Problem” (FSSTP). We propose the “Constrained Synchronous Reachability Graph” (CSRG) to synthesize the plant model and the user specifications model based on PN. The theory is also based on the theory of regions as revisited in the thesis of A. Gaffari.
The second part of the work deals with the synthesis of resources allocators' to make determinist the interpretation of operating sequences. The idea is to synthesize deterministic controllers from a given cyclic scheduling established by taking into account the plant state and the production objective. This work is completed by the proposition of a software tool by which we present the main features and also the current limits.
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Contributor : Eun Joo Lee <>
Submitted on : Thursday, December 21, 2006 - 4:38:10 PM
Last modification on : Tuesday, November 24, 2020 - 2:18:22 PM
Long-term archiving on: : Tuesday, April 6, 2010 - 8:29:46 PM


  • HAL Id : tel-00121727, version 1



Eun Joo Lee. Reconfiguration dynamique de la commande d'un système manufacturier : approche par la synthèse de la commande. Automatique / Robotique. Ecole Centrale de Lille, 2006. Français. ⟨tel-00121727⟩



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