(1911 -5631)具有不同开关和双不确定寿命的热备用串并联系统可靠性分析

IF 1.9 4区数学 Q1 MATHEMATICS

Iranian Journal of Fuzzy Systems Pub Date : 2020-12-10 DOI:10.22111/IJFS.2020.5811

Zhaocai Liu, Linmin Hu, Sijia Liu, Youzheng Wang

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引用次数: 0

摘要

基于不确定性理论，研究了无充足样本情况下热备用串并联系统的可靠性问题。假设系统元件的寿命遵循具有不确定参数的独立不确定分布。针对热备串并联系统，开发了三种不同的开关模式，包括绝对可靠模式、离散模式和连续模式。此外，还将冷备串并联系统作为特例进行了讨论。分析了各模型的可靠性函数和平均失效时间。最后通过一个带有不同开关的系统算例说明了所提模型的应用和有效性。

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(1912-5631) Reliability analysis of a warm standby series-parallel system with different switches and bi-uncertain lifetimes

The reliability of a warm standby series-parallel system without adequate samples is studied based on the uncertainty theory. It is assumed that the lifetimes of system elements follow independent uncertainty distributions with uncertain parameters. Three different switch models, including absolutely reliable mode, discrete mode and continuous mode, are developed for the warm standby series-parallel system. Besides, the cold standby series-parallel system is discussed as a special case. The reliability function and mean time to failure of each developed model are analyzed. A numerical example for the system with different switches is implemented to illustrate the application and efficiency of the proposed models.

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来源期刊

Iranian Journal of Fuzzy Systems 数学-数学

CiteScore

3.50

自引率

16.70%

发文量

期刊介绍： The two-monthly Iranian Journal of Fuzzy Systems (IJFS) aims to provide an international forum for refereed original research works in the theory and applications of fuzzy sets and systems in the areas of foundations, pure mathematics, artificial intelligence, control, robotics, data analysis, data mining, decision making, finance and management, information systems, operations research, pattern recognition and image processing, soft computing and uncertainty modeling. Manuscripts submitted to the IJFS must be original unpublished work and should not be in consideration for publication elsewhere.