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首页> 外文期刊>International Journal of Production Research >An integrated emergency ordering and production planning optimization model with demand and yield uncertainty
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An integrated emergency ordering and production planning optimization model with demand and yield uncertainty

机译：需求和产量不确定的集成紧急订单和生产计划优化模型

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摘要

This paper proposes an integrated emergency ordering and production planning scheme for a multi-item, multi-product problem in which each product is composed of several ingredients. Each item can be supplied from both cheap unreliable suppliers prone to yield uncertainty and expensive reliable suppliers. A two-stage decision-making process is proposed in which orders are placed to the unreliable suppliers during the first stage and an emergency order can be placed in the second stage. In addition, a flexible backup ordering contract between the buyer and emergency supplier is proposed. A similar two-stage decision-making process is considered for production planning, where in the first stage, the main production plan is determined and in the second stage, the decision about a limited increase in the production plan is made as an emergency decision. An integrated ordering and production planning decision process is proposed for the problem. The value of emergency decisions, including the value of emergency ordering and the value of emergency production planning evaluates the effectiveness of the emergency decisions. Due to the staggering size of the problem, sample average approximation method is used to solve the problem.
机译：本文针对多项目，多产品问题提出了一种综合的紧急订单和生产计划计划，其中每个产品都由几种成分组成。每个项目都可以从容易产生产量不确定性的廉价不可靠供应商和昂贵的可靠供应商提供。提出了一个两阶段的决策过程，其中在第一阶段向不可靠的供应商下订单，而在第二阶段可以下达紧急订单。另外，提议了买方和紧急供应商之间的灵活的备用订购合同。在生产计划中考虑类似的两阶段决策过程，其中在第一阶段确定主要生产计划，在第二阶段确定关于有限增加生产计划的决策，作为紧急决策。针对该问题，提出了集成的订购和生产计划决策过程。应急决策的价值，包括应急订单的价值和应急生产计划的价值，评估了应急决策的有效性。由于问题的大小令人吃惊，因此使用样本平均逼近方法来解决问题。

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