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首页> 外文期刊>Journal of Supply Chain Management Systems >Enhancment of Inventory Management Approaches in 'Vehicle Routing-Cross Docking' Problems
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Enhancment of Inventory Management Approaches in 'Vehicle Routing-Cross Docking' Problems

机译：改进“车辆路径-跨停靠”问题中的库存管理方法

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摘要

A cross dock is the consolidation point in a distribution network, where multiple smaller shipments can be merged to full truck loads in order to realise economies in transportation. The focus of this study is to evaluate the possibility of considering inventory management structures in order to enhance the quality of solutions achieved by the classical VRP-Cross Dock (VRPCD) modeling. A mixed-integer programming is taken into account for locating cross docks and allocating Pickup and Delivery Nodes to them by considering each node's time window in order to minimise the total transportation costs and inventory holding costs inside each cross dock which is the objective function of the modeling. "Direct Shipment" is used to attach Delivery and Pick-up nodes to cross dock facilities. Determining the necessity and amount of goods transshipment among cross docks is a key point in this modeling which causes a Semi-VMI behaviour by considering cross dock facilities as the coordinator base of the distribution network. The enhancement of the solutions by adding the ability of transshipment between cross docks is proved. Locating cross dock facilities (Strategic decision) while considering other technical issues (Operational decisions) is one of the major contributions of this study.
机译：交叉码头是分销网络中的整合点，可以将多个较小的货物合并为满载卡车，以实现运输经济。这项研究的重点是评估考虑库存管理结构的可能性，以提高通过经典VRP跨码头（VRPCD）建模实现的解决方案的质量。考虑到每个节点的时间窗口，将混合整数编程用于定位跨接站并为其分配取货和交付节点，以最大程度地减少每个跨接站内部的总运输成本和库存持有成本，这是该计划的目标功能。造型。 “直接装运”用于将“交货”和“提货”节点附加到跨码头设施。确定跨码头之间货物转运的必要性和数量是此建模的关键点，该模型通过将跨码头设施视为分销网络的协调基础而导致Semi-VMI行为。通过增加跨码头之间的转运能力，证明了解决方案的增强。在研究其他技术问题（运营决策）的同时找到跨码头设施（战略决策）是这项研究的主要贡献之一。

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