考虑多因素的可修系统任务可靠性分配方法

doi:10.13700/j.bh.1001-5965.2018.0472

北京航空航天大学学报 ›› 2019, Vol. 45 ›› Issue (4): 834-840.doi: 10.13700/j.bh.1001-5965.2018.0472

考虑多因素的可修系统任务可靠性分配方法

刘朝霞, 孙宇锋, 轩杰, 许智宏, 赵广燕

北京航空航天大学可靠性与系统工程学院, 北京 100083

收稿日期:2018-08-10 出版日期:2019-04-20 发布日期:2019-04-26
通讯作者: 赵广燕 E-mail:zhaoguangyan@buaa.edu.cn
作者简介:刘朝霞,女,硕士。主要研究方向:复杂系统可靠性建模;赵广燕,女,博士,副教授,硕士生导师。主要研究方向:复杂系统可靠性建模。

Mission reliability allocation method considering multiple factors for repairable systems

LIU Zhaoxia, SUN Yufeng, XUAN Jie, XU Zhihong, ZHAO Guangyan

School of Reliability and Systems Engineering, Beihang University, Beijing 100083, China

Received:2018-08-10 Online:2019-04-20 Published:2019-04-26

摘要/Abstract

摘要： 在实际工程中，系统常常是由串联、并联、旁联和表决等模型混合而成的复杂可修系统，目前此类系统的可靠性分配方法多采用等分分配等方法，得到的分配结果往往误差较大。本文提出了一种考虑维修、故障逻辑等多因素影响的可修系统任务可靠性分配方法。该方法以系统故障率为待分配指标，首先对包含维修影响的故障率进行转换，然后利用考虑故障逻辑的评分分配法进行分配，最后通过备件系数进行修正，获得分配结果。新方法能够为在实际工程中可修系统的任务可靠性分配提供一种简便易行的方法。

关键词: 任务可靠性分配, 混合模型, 评分分配, 备件修正, 维修

Abstract: In practical engineering, a system is usually complex and repairable. Its reliability model is not a series model but a mixed model of series, parallel, bypass and voting. The equal-distribution method is used mostly to allocate mission reliability for complex system at present. The allocation result using this method is always not accurate. Therefore, a mission reliability allocation method for repairable system considering the effects of maintenance, fault logic and other factors was proposed in this paper. First, the failure rate was calculated to remove the effect of maintenance. Then the scoring allocation method considering failure logic was adopted to allocate mission reliability. After that, the spare part coefficient was used to correct the allocation result. Finally, a case was analyzed to validate the method, which could provide an easy and effective way to allocate mission reliability for repairable systems in practical engineering.

Key words: mission reliability allocation, mixed model, scoring allocation, spare part correction, maintenance

中图分类号:

TB114.3

刘朝霞, 孙宇锋, 轩杰, 许智宏, 赵广燕. 考虑多因素的可修系统任务可靠性分配方法[J]. 北京航空航天大学学报, 2019, 45(4): 834-840.

LIU Zhaoxia, SUN Yufeng, XUAN Jie, XU Zhihong, ZHAO Guangyan. Mission reliability allocation method considering multiple factors for repairable systems[J]. JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2019, 45(4): 834-840.

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考虑多因素的可修系统任务可靠性分配方法

Mission reliability allocation method considering multiple factors for repairable systems

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