Combined maintenance and spare supply strategy of unrepairable product

被引：1
|
作者：
Lin M. [1 ,2 ]
Zhong Q. [1 ]
Li D. [3 ]
机构：
[1] Department of Management Engineering and Equipment Economics, Naval University of Engineering, Wuhan
[2] School of Ordnance Engineering, Naval University of Engineering, Wuhan
[3] Unit 91550 of the PLA, Dalian
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2020年 / 42卷 / 06期
关键词：
Combined maintenance; Composite Poisson process; Decision optimization; Maintenance strategy; Spare supply;
D O I：
10.3969/j.issn.1001-506X.2020.06.28
中图分类号：
学科分类号：
摘要：
In order to ensure product state and avoid failure, some unrepairable products may adopt the maintenance strategy which combines scheduled servicing with preventive replacing, and the ability of spare supply plays an important role in the maintenance. For this kind of product, the combined maintenance and spare supply strategy are reached deeply. Firstly, the characters of performance on scheduled servicing are analyzed. Considering the cumulative failure theory, the performance deteriorate model is established by the composite Poisson process. Secondly, the requirements of combined maintenance and spare supply are given. On the basis of it, the probability model is also given. Thirdly, the optimization model is developed to determine the optimal servicing period, preventive replacing threshold and spare supply time, with an objective to minimize the pro-ducts long-run cost rate. Finally, the relationship between the cost rate and strategy values is analyzed by numerical examples. It also demonstrates the advantages of the strategy. © 2020, Editorial Office of Systems Engineering and Electronics. All right reserved.
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页码：1417 / 1423
页数：6
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