Ordonnancements coopératifs pour les chaînes logistiques

Abstract : We propose new decision methods for coordinating supply chain scheduling. We focus on the cooperation between supply chain partners by means of negotiations about suppliers raw materials arrival dates, and customers delivery dates of finished. We consider a supply chain, which consists in a network of independant enterprises. The finished products (or sub products) of the assembly enterprise are produced using components and/or sub products supplied by other enterprises or by external suppliers. We are at the scheduling level and each enterprise builds its own schedules associated with its production centers. As an operation can be performed only when the production center has received the necessary components, the schedules are dependent. This induces negotiations between decision centers which is expressed by penalty functions associated with soft and hard release dates and due dates. A global solution is searched by an iterative decomposition approach including alternatively bilateral negotiations between the production decision centers and just in time scheduling, minimizing the local total sum of penalties. To solve each local just-in-time scheduling problem, we propose an approximation approach based on meta-heuristics, which explores the set of solutions, in which a solution is described by the job order on each machine and is evaluated using a pert cost algorithm.. A semi-decentralized control is suggested to assume the negotiation convergence. Furthermore, we study some transportation optimization problems in supply chains
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Zerouk Mouloua. Ordonnancements coopératifs pour les chaînes logistiques. Autre [cs.OH]. Institut National Polytechnique de Lorraine, 2007. Français. ⟨NNT : 2007INPL090N⟩. ⟨tel-01752907⟩

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