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Architecture de surveillance-commande pour les systèmes à événements discrets complexes

Abstract : The work presented deals with the supervision of flexible manufacturing systems. It presents the integration of real-time monitoring of process failures. The originality of this approach is to consider the control and the monitoring on the same level and not the monitoring as a palliative for the control. A structure of a monitoring-control module is proposed. This module is made up of two cooperating models based on the activity concept. The first one, the reference model for monitoring and control, gives all the functionalities of the monitoring system. The second one, the strategy model for monitoring and control, models the constraints imposed by the objectives of the firm and the users. The execution of a monitoring treatment is not limited to the strict sequence ¿ detection, diagnosis, decision and recovery ¿. Other elaborated sequences are allowed and can be executed by the module. Taking the executed activity into account, a supervisor integrated in each module of the hierarchy manages the information by directing each one to the suitable monitoring or control functions: detection, follow, control, diagnosis, decision, recovery or emergency. An example based on a manufacturing process illustrates the main benefits of the approach: monitoring flexibility, reactivity to the process evolutions, respect of the monitoring constraints imposed by the factory.
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https://tel.archives-ouvertes.fr/tel-00010078
Contributor : Emilie Marchand <>
Submitted on : Thursday, September 8, 2005 - 4:06:52 PM
Last modification on : Friday, April 24, 2020 - 3:22:04 PM
Long-term archiving on: : Tuesday, September 7, 2010 - 5:12:50 PM

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  • HAL Id : tel-00010078, version 1

Citation

Éric Zamaï. Architecture de surveillance-commande pour les systèmes à événements discrets complexes. Automatique / Robotique. Université Paul Sabatier - Toulouse III, 1997. Français. ⟨tel-00010078⟩

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