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A multi-period model for managing used product returns

机译：用于管理二手产品退货的多期间模型

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摘要

During the last decades there has been a consistent need for companies to manufacture 'green' products in order to contribute to environmental protection. The utilisation of used products (literally, the extension of their useful life cycle) is an excellent, indirect way for companies to conform to this requirement and, at the same time, increase their profit. In this paper a mixed integer linear programming mathematical model is proposed, which can be used for the optimisation of procurement, remanufacturing, stocking and salvaging decisions. The model is flexible enough to incorporate multiple suppliers, several quality levels of returned products and multiple periods of time. The applicability of the model is demonstrated through the optimisation of alternative scenarios, the optimal solutions of which reveal the potential profitability of used products exploitation.
机译：在过去的几十年中，公司一直需要制造“绿色”产品来为环境保护做出贡献。对公司而言，利用旧产品（从字面上讲，延长其使用寿命）是一种很好的间接方法，可以满足这一要求并同时增加利润。本文提出了一种混合整数线性规划数学模型，该模型可用于采购，再制造，库存和挽救决策的优化。该模型足够灵活，可以合并多个供应商，退货产品的多个质量级别和多个时间段。通过对替代方案的优化来证明该模型的适用性，该方案的最佳解决方案揭示了二手产品开发的潜在获利能力。

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