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Vers une approche intégrée de gestion de planification de la production et de la distribution : cas de l'industrie textile

Abstract : Through this thesis, we are interested in the textile industry. The actors in this field of industry, which is often characterized by global supply chains, must adapt to a dynamic demand for short-life-cycle products. These characteristics reinforce the need to be imperative in a highly competitive environment by controlling costs and resources of production and logistics and by having a good knowledge of the market to which it is necessary to constantly know how to adapt. In this thesis, basing on the context of a Tunisian textile industry, we focus on production and distribution planning using mathematical programming. These decisions are made by the manufacturer who provides local and overseas retailers. He is fully committed to meet two types of orders: (i) pre-season orders of future collections, often with a large delivery lead time and (ii) replenishment orders, often with shorter due dates, occurring over the season to fill in stock outs or to replace unsold products. We propose an integrated planning method that optimizes both the production and distribution decisions. This method is characterized by an anticipation of some flexibility in the tactical production plan to better place the unplanned and urgent newly arrived demands at the operational level. Using the data provided by our industrial partner, we were able to demonstrate that such an approach allows remarkable cost savings, reaching 10% for the cases studied. Then, we assume that a partnership agreement has allowed the manufacturer to follow the evolution of demand information concerning the products being sold to their retailers. They can then use this information to build forecast model to anticipate at best the flexibility a priori of production plans. Under this assumption, we demonstrate that a cost cutting of 15% is attained. The work of this thesis was validated by data provided by a Tunisian textile-apparel company. We show, however, that it can be widely applied to different industrial contexts.
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Submitted on : Wednesday, December 4, 2013 - 9:02:56 AM
Last modification on : Tuesday, June 15, 2021 - 4:17:26 PM
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Imen Safra. Vers une approche intégrée de gestion de planification de la production et de la distribution : cas de l'industrie textile. Autre. Ecole Centrale Paris, 2013. Français. ⟨NNT : 2013ECAP0017⟩. ⟨tel-00913587⟩

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