Facility Location Model for Reverse Logistics
نویسنده
چکیده
This paper presents a study that characterizes, formulates, and solves the reverse logistic network design. A Mixed Linear Program model is formulated that systematically minimizes reverse logistics operating costs for the strategic problem facility location of collection sites, cannibalization and recycling. The facility location is a central issue of the logistics networks. In this paper we are interested in optimizing of the sites facility location for product end of life reverse logistics network. This model allows determining to open or to close the sites previously in the reverse logistics network. The decisions mentioned above are taken to minimize the cost of products recovery at the end of life. We wish to solve the problem of site facility location site in a reverse logistics network for various times of time considered in strategic planning. The inclusion of such an element means to solve a multi-time step problem: decisions taken at a given time are related to those taken in previous times and take account of future needs. To solve the mathematical program, we have used the evaluation and separation process implemented in CPLEX commercial solver. A numerical analysis on a test case illustrates the model formulation and the proposed model.
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