Periodic replacement policies with shortage and excess costs

Periodic replacement policies with shortage and excess costs
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针对短缺和超额成本的定期更换政策

DOI:
10.1007/s10479-020-03566-z
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发表时间:
2020-03
影响因子:
4.8
通讯作者:
Toshio Nakagawa
Toshio Nakagawa
中科院分区:
管理学3区
文献类型:
--
作者:
Xufeng Zhao;Mingchih Chen;Toshio Nakagawa

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已经提出,如果在故障之前过早地计划更换时间,则浪费操作成本,即,由于系统可能运行额外的时间段以完成关键操作,并且如果在故障后更换时间太晚,则会产生巨大的故障成本,即,短缺成本是由于粗心地安排更换的时间延迟而产生的。为了使预防性更换策略具有更一般的执行效果,本文在定期更换策略中考虑了上述两类可变成本。我们首先采用一个标准模型,在该模型中,定期预防性地更换单元。其次,将先发生和后发生的建模方法应用于周期模型和随机模型,讨论了先更换和后更换策略,以确定随机工作时间下的最优周期更换次数。此外,最佳的工作数得到的扩展模型。我们给出了上述替换策略的分析讨论,最后,数值例子说明。
It has been proposed that if replacement time is planned too early prior to failure, a waste of operation cost, i.e., excess costs, would incur because the system might run for an additional period of time to complete critical operations, and if replacement time is too late after failure, a great failure cost, i.e., shortage cost, is incurred due to the delay in time of the carelessly scheduled replacement. In order to make the preventive replacement policies perform in a more general way, the above two variable types of costs are taken into considerations for periodic replacement policies in this paper. We firstly take up a standard model in which the unit is replaced preventively at periodic times. Secondly, the modeling approaches of whichever occurs first and last are applied into periodic and random models, and replacement first and last policies are discussed to find optimum periodic replacement times for a random working time. Furthermore, optimum working numbers are obtained for the extended models. We give analytical discussions of the above replacement policies, and finally, numerical examples are illustrated.
DOI: 10.1109/issm.1993.670316
发表时间: 1993
期刊: International Symposium on Semiconductor Manufacturing
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