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Reliability analysis of general systems with bi-uncertain variables
Soft Computing ( IF 4.1 ) Pub Date : 2019-09-10 , DOI: 10.1007/s00500-019-04331-6
Zhaocai Liu , Linmin Hu , Sijia Liu , Yuyu Wang

Abstract

In this paper, the lifetimes of system components are assumed to have independent and nonidentical uncertainty distributions with uncertain parameters. The reliability functions and mean time to failure of the general systems are investigated according to the uncertainty theory. Basic models of the general systems with bi-uncertain variables are established and analyzed, including series, parallel and series–parallel systems. The explicit expressions of reliability function and mean time to failure of each model are presented. Some numerical examples are given to illustrate the applications of the developed models and perform a comparison for the models with uncertain and bi-uncertain variables.



中文翻译:

具有双不确定变量的一般系统的可靠性分析

摘要

在本文中,假设系统组件的寿命具有不确定参数的独立且不确定的不确定性分布。根据不确定性理论研究了通用系统的可靠性函数和平均失效时间。建立和分析具有双不确定变量的通用系统的基本模型,包括串联,并联和串联-并联系统。给出了每个模型的可靠性函数和平均失效时间的显式表达式。给出了一些数值示例来说明所开发模型的应用,并对具有不确定和双不确定变量的模型进行比较。

更新日期:2020-04-06
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