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Planification de la production par co-décision et négociation de l'entreprise virtuelle

Abstract : Production planning using co-decision and negotiation whitin a virtual enterprise in this thesis, we are interested to a problem related to the evolution of the industrial production which is organized innetworks of enterprises coordinating their activities to produce the same finished product. After a detailed bibliographical study on modelling, coordination and planning within supply chains in general and on thevittual enterprise (VE) in particular, we centred our research task on collaborated and coordinated production's modellingand planning of a virtual enterprise. Our work consists in proposing on the one hand an architecture of the virtual enterprise by level and, on the other hand, models of planning which make it possible to ensure a plan of feasible and quasi optimal production planning according to the architecture suggested. This is carried out initially by coordinating enterprise's plannings of the same level, then by coordinating plannings of each level with those of upstream and downstream levels. To achieve our goal, we proposed a whole of definitions of data which we used and which we consider necessary for a quasi complete modelling of planning processes within the virtual enterprise. The definition of forecasts and contracts with outside make it possible to know the extemal environment of the VE. In the same way, definitions of ceulated curves, contracts and models of cost used by the partners make it possible to know the internal environment with the VE as well as the retained objectives for a virtual enterprise. To describe a global planning process of the VE in a progressive way, we start with the description of a node of the VE by specifying its various planning problems and proposing optimization models to minimize the production costs. Then, we studied problems of planning on a level by describing and modelling coordination between nodes of the same level. At the end, we describe the iterative process of supply chain planning. In order to assure coordination within the virtual enterprise, we use negotiation and mediation. Negotiation permits to partners to wide the field of planning. While mediation permits, using constraints relaxation, to solve conflicts in the event of no convergence of negotiations. highlight distributed and centralized models of planning, we used the multi-agents approach. After a description of the different agents constiiuting our architecture and their tûnctionalities, we describe the various behaviours, data and messages used by the agents to ensure communications between them.
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Submitted on : Thursday, March 29, 2018 - 1:46:48 PM
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Latifa Ouzizi. Planification de la production par co-décision et négociation de l'entreprise virtuelle. Gestion et management. Université Paul Verlaine - Metz, 2005. Français. ⟨NNT : 2005METZ001S⟩. ⟨tel-01752427⟩



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