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首页> 外文期刊>International Journal of Production Research >Planning of capacity, production and inventory decisions in a generic reverse supply chain under uncertain demand and returns
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Planning of capacity, production and inventory decisions in a generic reverse supply chain under uncertain demand and returns

机译：在需求和回报不确定的情况下，规划通用反向供应链中的产能，生产和库存决策

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摘要

There is a growing interest for the design and operation of reverse supply chain systems due to the cost and the legislation issues. In this paper, we address the disassembly, refurbishing and production operations in a reverse supply chain setting for modular products such as computers and mobile phones considering the uncertainties in this system, which are the return amounts of the used products and demand for final products. We develop a large-scale mixed integer programming model in order to capture all characteristics of this system, and use two-stage stochastic optimisation and robust optimisation approaches to analyse the system behaviour. In the first stage, we focus on the strategic decisions about the capacities at disassembly and refurbishing sites considering different scenarios regarding the uncertainties in the system. In the second stage, we analyse the operational decisions such as production, inventory and disposal rates. We observe through our extensive numerical analysis that the randomness of demand and return values effect the performance of the system substantially and the uncertainty of the return amounts of used products is much more important than the uncertainty of demand in this system.
机译：由于成本和法规问题，人们对反向供应链系统的设计和运营越来越感兴趣。在本文中，我们考虑到系统中的不确定性（即用过的产品的退货额和最终产品的需求），针对计算机和手机等模块化产品的反向供应链环境中的拆卸，翻新和生产操作进行了研究。为了捕获该系统的所有特征，我们开发了一个大型混合整数规划模型，并使用两阶段随机优化和鲁棒优化方法来分析系统性能。在第一阶段，我们重点考虑有关系统不确定性的不同方案，以针对拆卸和翻新场所的能力的战略决策。在第二阶段，我们分析运营决策，例如生产，库存和处置率。通过广泛的数值分析，我们观察到需求和回报值的随机性对系统的性能产生了重大影响，而二手产品的回报量的不确定性比该系统中需求的不确定性要重要得多。

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