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On the complexity of short-term production planning and the near-optimality of a sequential assignment problem heuristic approach

机译:关于短期生产计划的复杂性和顺序分配问题启发式方法的接近最优性

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摘要

In semiconductor manufacturing, the process of short-term production planning requires setting clear and yet challenging and doable goals to each operation and toolset in the process flow per each product type. We demonstrate the complexity of this problem using an experimental study performed with proficient workforce, and then show how the problem can be decomposed, aggregated, and solved using sequential recurrent linear programming assignment problems. We also refer to the improvements that the proposed algorithm has achieved in practice when applied to multiple semiconductor production facilities, and discuss its efficiency and uniqueness as a fast heuristic relative to other proposed methods.
机译:在半导体制造中,短期生产计划的过程要求为每种产品类型的过程流中的每个操作和工具集设定清晰而又具有挑战性和可行的目标。我们使用熟练的劳动力进行的实验研究证明了此问题的复杂性,然后说明了如何使用顺序递归线性规划分配问题来分解,汇总和解决问题。我们还参考了所提出的算法在应用于多个半导体生产设备时在实践中实现的改进,并讨论了其效率和独特性,这是相对于其他提出的方法的一种快速启发式方法。

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