文献详情
Reliability Analysis of Load-Sharing Systems Subject to Dependent Degradation Processes and Random Shocks
文献类型期刊
作者Che, Haiyang[1];Zeng, Shengkui[2];Guo, Jianbin[3]
机构
通讯作者Guo, JB (reprint author), Beihang Univ, Sch Reliabil & Syst Engn, Beijing 100191, Peoples R China.; Guo, JB (reprint author), Beihang Univ, Sci & Technol Reliabil & Environm Engn Lab, Beijing 100191, Peoples R China.
来源信息年:2017  卷:5  页码范围:23395-23404  
期刊信息IEEE ACCESS影响因子和分区  ISSN:2169-3536
关键词Load-sharing system; dependencies; degradation processes; random shocks; reliability model
增刊正刊
摘要Many systems often experience multiple failures resulting from simultaneous exposure to degradation processes and random shocks. For a load-sharing system, the dependencies among the degradation processes, random shocks and component failures potentially cause the system to fail more easily, which poses new challenging issues to evaluate the reliability. A novel reliability model for load-sharing systems subject to dependent degradation processes and random shocks is proposed. The new model extends previous models for simple parallel systems by considering the characteristics and specific dependencies of load-sharing systems. In a load-sharing system, the workload and shock load shared by each surviving component will increase after a component failure, leading to the higher degradation rate, the more serious sudden degradation damage caused by random shocks, and the greater probability of hard failure. In the model, the analytical expression is utilized to calculate the complex reliability. The complexity of this calculation is caused by the stochastic failure time of surviving components, the stochastic arriving time of shocks, and their interaction. A case of the load-sharing redundant micro-engines in micro-electro-mechanical system is presented to demonstrate the proposed model, and the result shows that the reliability of load-sharing system is lower than that of a simple parallel system.
收录情况SCIE(WOS:000415170700037)  EI(20174304304095)  
所属部门可靠性与系统工程学院
DOI10.1109/ACCESS.2017.2762727
百度学术Reliability Analysis of Load-Sharing Systems Subject to Dependent Degradation Processes and Random Shocks
语言外文
被引频次11
人气指数1486
浏览次数1486
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