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Heuristic for the assort-packing and distribution problem in the fashion apparel industry

机译:启发式解决时尚服装行业的分类包装和分销问题

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摘要

We model and derive an algorithm for the assort-packing and distribution problem (APDP) in the fashion apparel industry. Assort-packing is a common method used to reduce the distribution lead time between manufacturers and retailers, wherein different items are packed together in one box according to the retailers' demands. Specifically, in the fashion industry, multiple box types are configured by varying the size distribution of the same apparel product. In this study, we propose an optimisation model to quantitatively solve the APDP with respect to how many box types should be configured, how to configure the size distribution in each box, and how many of each type of box should be sent to stores. In particular, the modelling and algorithm development focus on the size-assorted homogeneous-article configuration in the APDP, a widely used assort-packing method in the fashion industry. We show that the APDP is NP-hard, and propose a heuristic algorithm in which a pre-processing step significantly reduces the search space. Numerical studies of the industry scale are conducted and show that the algorithm outperforms the benchmarking algorithms.
机译:我们建模并推导了针对时尚服装行业中的分类包装和分配问题(APDP)的算法。混合包装是减少制造商和零售商之间分配时间的一种常用方法,其中,根据零售商的要求,将不同的物品包装在一个盒子中。具体地,在时装业中,通过改变同一服装产品的尺寸分布来配置多种盒子类型。在这项研究中,我们提出了一个优化模型来定量地解决APDP,涉及应配置多少种盒子类型,如何配置每个盒子中的尺寸分布以及每种盒子中有多少种要发送到商店。尤其是,建模和算法开发着重于APDP中尺寸分类的同类物品配置,APDP是时装行业中广泛使用的分类包装方法。我们表明APDP是NP难的,并提出了一种启发式算法,其中的预处理步骤显着减少了搜索空间。进行了行业规模的数值研究,结果表明该算法优于基准算法。

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