Maintenance policy for a system with a weighted linear combination of degradation processes
Maintenance policy for a system with a weighted linear combination of degradation processes
复制标题
DOI：
10.1016/j.ejor.2019.06.048
复制
发表时间：
2020-01
期刊：
影响因子：
--
通讯作者：
Shaomin Wu;I. Castro
中科院分区：
文献类型：
--
作者：
Shaomin Wu;I. Castro
本文提出了状态监测下的系统维护策略。我们假设，一些缺陷可能会发展和退化过程中的每个缺陷遵循伽马过程。如果退化过程的线性组合超过预先指定的阈值，则系统被称为失败。进行预防性维护。在执行了几次预防性维护活动后，系统将被更新。本文的主要目标是优化预防性维护行动之间的时间和预防性维护的数量。数值例子说明了结果。
This paper develops maintenance policies for a system under condition monitoring. We assume that a number of defects may develop and the degradation process of each defect follows a gamma process. The system is saidfailedif a linear combination of the degradation processes exceeds a pre-specified threshold. Preventive maintenance is performed. The system is renewed after several preventive maintenance activities have been performed. The main objective of this paper is to optimise the time between preventive maintenance actions and the number of the preventive maintenance. Numerical examples are given to illustrate the results.