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A memetic algorithm for bi-objective integrated forward/reverse logistics network design
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DOI：10.1016/j.cor.2009.09.018.png)
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Abstract
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Logistics network design is a major strategic issue due to its impact on the efficiency and responsiveness of the supply chain. This paper proposes a model for integrated logistics network design to avoid the sub-optimality caused by a separate, sequential design of forward and reverse logistics networks. First, a bi-objective mixed integer programming formulation is developed to minimize the total costs and maximize the responsiveness of a logistics network. To find the set of non-dominated solutions, an efficient multi-objective memetic algorithm is developed. The proposed solution algorithm uses a new dynamic search strategy by employing three different local searches. To assess the quality of the novel solution approach, the quality of its Pareto-optimal solutions is compared to those generated by an existing powerful multi-objective genetic algorithm from the recent literature and to exact solutions obtained by a commercial solver. (C) 2009 Elsevier Ltd. All rights reserved.
Keywords:
Integrated logistics network
Closed loop supply chain network
Memetic algorithm
Multi-objective optimization
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