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《中国工程科学》 >> 2015年 第17卷 第5期

基于马尔可夫到达过程的两级可修备件(S-1,S)库存优化模型

海军工程大学管理工程系,武汉 430033

收稿日期: 2015-03-15 发布日期: 2015-05-20 08:52:03.000

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摘要

本文以两级可修备件库存系统为研究对象,采用马尔可夫到达过程(MAP)描述备件需求规律,考虑有限维修设施的情况,假设故障件维修时间、备件运输时间以及采购时间均服从phase-type(PH)分布,建立了一种描述能力更强、解析计算性更好的(S-1,S)库存优化模型,并推导出系统缺货量分布函数;然后通过算例演示了模型的优化效果,验证了模型的正确性和适用性。

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