Reliability Allocation Principle for Large Scale System

被引:0
|
作者
Xie, Liyang [1 ]
Xu, Jiafu [1 ]
Lin, Wenqiang [1 ]
机构
[1] Northeastern Univ, Coll Mech Eng & Automat, Shenyang 110004, Peoples R China
来源
PROCEEDINGS OF 2009 8TH INTERNATIONAL CONFERENCE ON RELIABILITY, MAINTAINABILITY AND SAFETY, VOLS I AND II: HIGHLY RELIABLE, EASY TO MAINTAIN AND READY TO SUPPORT | 2009年
关键词
reliability allocation; system complexity; component complexity; load roughness; failure dependence; COMMON-CAUSE FAILURE; SERIES-PARALLEL SYSTEMS; N SYSTEM; OPTIMIZATION; ALGORITHM;
D O I
暂无
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
For a large scale series mechanical system composed of a great number of components, the component reliabilities allocated according to classical system reliability model are usually unrealistically high, even though the assigned target reliability for the system is quite low. Generally, system reliability can not be calculated from component reliabilities owing to the dependence among component failures. For the same reason, system reliability can not be simply allocated to the individual components according to traditional system reliability model. Based on comprehensive analysis to the controlling factors of component failure dependence, the present paper introduces new definition of system complexity and component complexity, presents load roughness based principle for system reliability allocation. According to such a principle, system reliability requirement can be reasonably allocated to components.
引用
收藏
页码:232 / 235
页数:4
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