A copula-based reliability model for phased mission systems with dependent components PMS with dependent components

被引：9
作者：
Li, Xiangyu [1 ]
Zhan, Kai [1 ]
Xiong, Xiaoyan [1 ]
Vu, Tuong Quyen [2 ]
机构：
[1] Taiyuan Univ Technol, Minist Educ, Key Lab Adv Transducers & Intelligent Control Syst, Taiyuan, Peoples R China
[2] Univ Econ, Coll Technol & Design, Sch Media Design, Ho Chi Minh City, Vietnam
来源：
QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL | 2023年 / 39卷 / 05期
基金：
中国国家自然科学基金;
关键词：
copula; dependent components; modular method; phased mission system;
D O I：
10.1002/qre.3342
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Recently, researches on the reliability analysis of phased mission systems (PMSs) are very popular. And most of the existing research on PMSs assumed that all the components are statistically independent on each other, which is not meet the engineering reality. The system structure changes from phase to phase in the PMSs, so the dependency among components may also change in different phases. Meanwhile, the well-known phase dependency is also existing in the system reliability modeling. To model the varying dependency among components and phase dependency at the same time, a copula-based method is proposed for the reliability analysis of PMS with correlated components. Firstly, the system reliability of multi-state PMS with dependent components is evaluated by different copula functions. Then, multiple indicators are used to select the optimal copula functions for different phases. And an engineering case is illustrated to show the proposed copula-based method.
引用
收藏
页码：1533 / 1547
页数：15
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