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首页> 外文期刊>International journal of production economics >A sustainable EOQ model: Theoretical formulation and applications
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A sustainable EOQ model: Theoretical formulation and applications

机译：可持续的EOQ模型：理论公式和应用

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摘要

Traditional inventory models involve different decisions that attempt to optimize material lot sizes by minimizing total annual supply chain costs. However, the increasing concern on environmental issues stresses the need to treat inventory management decisions as a whole, by integrating economic and environmental objectives. Recent studies have underlined the need to incorporate additional criteria in traditional inventory models in order to design "responsible inventory systems". This paper explores the integration of factors affecting the environmental impact within the traditional EOQ model and proposes a "Sustainable EOQ Model". All sustainability factors linked to the material lot size are analyzed from the beginning of the purchasing order to the end of its life inside the buyer plant. Thus, the environmental impact of transportation and inventory is incorporated in the model and investigated by an economic point of view. In particular internal and external transportation costs, vendor and supplier location and the different freight vehicle utilization ratio are considered in order to provide an easy-to-use methodology. The optimization approach is applied to representative data from industrial problems to assess the impact of sustainability considerations on purchasing decisions if compared with the traditional approaches. Finally, an illustration of the effect of using the new "Sustainable EOQ model" is presented and discussed.
机译：传统的库存模型涉及不同的决策，这些决策试图通过最小化年度供应链总成本来优化物料批量。但是，对环境问题的日益关注强调需要通过整合经济和环境目标来整体对待库存管理决策。最近的研究强调，有必要在传统的库存模型中纳入其他标准，以设计“负责任的库存系统”。本文探讨了传统EOQ模型中影响环境影响的因素的整合，并提出了“可持续EOQ模型”。从采购订单开始到买方工厂使用寿命结束时，都会分析与物料批量大小相关的所有可持续性因素。因此，将运输和库存对环境的影响纳入模型，并从经济角度进行调查。为了提供一种易于使用的方法，特别考虑了内部和外部运输成本，供应商和供应商的位置以及不同的货车利用率。与传统方法相比，优化方法应用于来自工业问题的代表性数据，以评估可持续性因素对购买决策的影响。最后，介绍并讨论了使用新的“可持续EOQ模型”的效果。

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