Impact du délai de livraison sur le niveau de stock : une approche basée sur la méthode IPA

Abstract : The first part of our work, we study a manufacturing system composed of a machine, a buffer with infinite capacity and customer. We applied this to system a continuous flow model taking into account a constant delivery time. To evaluate the performance of our system, we relied on the method of infinitesimal perturbation analysis (IPA), we performed simulations using an algorithm based on this method to determine the optimal buffer level which minimizes the cost function. This total cost is the sum of inventory cost, backlog cost and transportation cost. In the second part of our work, we applied a discrete flow model to the same system studied in the first part. The infinitesimal perturbation analysis method (IPA) is also applied to this model to determine the optimal inventory level. Applying this method to a discrete flow model is an innovation. Indeed, as we know, there is no work applying the method to IPA models to discrete flow. In the last part, we considered a manufacturing system with a random delivery time between the costumer and the producer. Then we studied the impact of transportation costs on the optimal buffer level. The method of infinitesimal perturbation analysis is also applied for both types of models (discrete flows and continuous flows model).
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Sadok Turki. Impact du délai de livraison sur le niveau de stock : une approche basée sur la méthode IPA. Autre. Université Paul Verlaine - Metz, 2010. Français. ⟨NNT : 2010METZ029S⟩. ⟨tel-01752979⟩

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