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摘要
The concept of the green supply chain leads to the recent expansion of the green logistics investigation. Under the mode of VMI (vendor managed inventory), integrating the inventory and routing of the supplier and the customer as a whole is vital to achieve the optimization of total distribution cost in distribution logistics systems. In this paper, the inventory routing problems on a two-echelon logistics system composed of a single distribution centre and multiple customers for multi-product in multi-period with time constrains is studied under the conditions of VMI strategy. Both inventory costs and distribution costs are considered in the logistics system, and an improved fuzzy genetic algorithm is proposed to solve the optimization model of IRP (inventory routing problems) for multi-product in multi-period with time constrains. It has been proved that the proposed algorithm is a very efficient approach for the IRPs. Finally, the effectiveness of the proposed algorithm and the optimization model are demonstrated through simulation of computational experiments.
