Reliability analysis of repairable systems with recurrent misuse-induced failures and normal-operation failures

Reliability analysis of repairable systems with recurrent misuse-induced failures and normal-operation failures
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具有反复误用引起的故障和正常操作故障的可修复系统的可靠性分析

DOI:
10.1016/j.ress.2017.11.016
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发表时间:
2018-03
影响因子:
8.1
通讯作者:
Qiuzhuang Sun
Qiuzhuang Sun
中科院分区:
工程技术1区
文献类型:
--
作者:
Weiwen Peng;Lijuan Shen;Yan Shen;Qiuzhuang Sun

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可修复系统的故障可能是由于操作人员的不当使用或系统的劣化。在正常操作条件下,误用可能会进一步恶化系统。基于一个真实世界的数据集,记录了滥用引起的故障和正常操作故障的复发时间,本研究提出了一个随机过程模型的复发数据分析,其中一种类型的故障是由其他影响。分别采用非齐次泊松过程和趋势更新过程作为误用引起的故障和正常运行故障的基线事件过程模型。这两个模型,然后结合处理的事件计数的误用引起的故障作为协变量的正常运行故障的事件过程。贝叶斯框架的参数估计和相关性测试的两种失效模式。仿真研究和递归数据从一个制造系统被用来证明所提出的方法。
Failure of a repairable system may be attributed to operators' misuse or system deterioration. The misuse may further deteriorate the system under normal operating conditions. Motivated by a real-world data set that records the recurrence times of misuse-induced failures and the normal-operation failures, this study proposes a stochastic process model for recurrence data analysis, where one type of failures is affected by the other. A non-homogeneous Poisson process and a trend-renewal process are separately used as the baseline event process models for the misuse-induced failures and the normal-operation failures, respectively. These two models are then combined by treating the event count of misuse-induced failures as covariate of the event process of normal-operation failures. A Bayesian framework is developed for parameter estimation and dependence tests of the two failure modes. A simulation study and the recurrence data from a manufacturing system are used to demonstrate the proposed method.
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