摘要
在不考虑部件每一次修如新的条件下,给出了物理系统状态失效时间的一种等效方法,建立了需要周期更换部件状态的分时冗余系统的累积损伤可靠性模型,并基于Weibull分布对相应模型参数进行了估计,并给出了一个用于评价系统可靠性的仿真方法.为验证模型与仿真方法的有效性,对一个1/3型机械系统的可靠性进行了分析.
Without considering that the component which alternates between operating and storage states periodically is likely new after each repair, the method of equivalent failure time of time-sharing redundant system is studied, and the cumulative damage model is put forward. Basing on Weibull distribution, the model is developed and its parameters are estimated, and a simulation method for evaluating system reliability is also given. Finally, an example about 1-out-of-3 mechanical system is given to demonstrate the affectiveness of the model.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
2009年第9期6074-6079,共6页
Acta Physica Sinica
基金
高等学校优秀青年人才基金项目(批准号:2009SQRZ072)
国家自然科学基金(批准号:70571018)资助的课题~~
关键词
分时冗余系统
可靠性
累积损伤模型
物理失效
time-sharing redundant system
reliability
cumulative damage model
physical failure
