|本期目录/Table of Contents|

[1]李莎莎,崔铁军,马云东.基于空间故障树理论的系统可靠性评估方法研究[J].中国安全生产科学技术,2015,11(6):68-74.[doi:10.11731/j.issn.1673-193x.2015.06.011]
 LI Sha-sha,CUI Tie-jun,MA Yun-dong.Study on assessment method of system reliability based on space fault tree theory[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2015,11(6):68-74.[doi:10.11731/j.issn.1673-193x.2015.06.011]
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基于空间故障树理论的系统可靠性评估方法研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
11
期数:
2015年6期
页码:
68-74
栏目:
职业安全卫生管理与技术
出版日期:
2015-06-30

文章信息/Info

Title:
Study on assessment method of system reliability based on space fault tree theory
作者:
李莎莎12崔铁军123 马云东3
(1. 安全科学与工程学院, 辽宁工程技术大学,辽宁 阜新 123000;2. 矿山热动力灾害与防治教育部重点实验室,辽宁 阜新 123000;3. 辽宁省隧道与地下结构工程技术研究中心, 大连交通大学, 辽宁 大连 116028)
Author(s):
LI Sha-sha12 CUI Tie-jun123 MA Yun-dong3
(1. College of Safety Science and Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China; 2. Key Laboratory of Mine Thermodynamic Disasters and Control of Ministry of Education, Fuxin Liaoning 123000, China; 3. Tunnel & Underground Structure Engineering Center of Liaoning, Dalian Jiaotong University, Dalian Liaoning 116028, China)
关键词:
安全系统工程系统可靠性空间故障树故障状态划分因素敏感性
Keywords:
safety system engineering system reliability spatial fault tree fault state division factor sensitivity
分类号:
X913.4
DOI:
10.11731/j.issn.1673-193x.2015.06.011
文献标志码:
A
摘要:
为了研究可靠性对工作环境变化敏感的一类系统,利用空间故障树SFT的思想和方法,并结合T-S模糊故障树和贝叶斯网络,建立了一种系统可靠性评估方法。总结了T-S模糊故障树和BN网络评价系统可靠性时存在的问题,并在所提出的方法中予以解决。方法中将事件的故障状态划分为:无故障a、轻度故障b、严重故障c、完全故障d四种状态,分别用a,b,c,d表示。故障率为[0~30%)、[30%~60%)、[60%~85%)、[85%~100%),并得到了划分的规则。研究了该系统在不同故障状态下的有效范围。得到了系统在不同状态之间过渡时的特征,并分析了过渡期间的可靠性对因素敏感度问题。
Abstract:
In order to study a kind of system with the reliability sensitive to the change of work environment, using the idea and method of the space fault tree (SFT), and combined with T-S fuzzy fault tree and Bayesian network, an assessment method of system reliability was established. The problems of system reliability assessment existing in T-S fuzzy fault tree and BN network were summarized, and the problems were solved in the proposed method. The fault state was divided into four types as follows: no fault, light fault, serious fault, complete fault, which were representative respectively with a (failure rate of 0~30%), b (failure rate of 30%~60%), c (failure rate of 60%~85%), d (failure rate of 85%~100%), and the partition rules were obtained. The effective ranges of the system under different fault conditions were studied. The characteristics of system with transition between different states were obtained, and the sensitivity problem of reliability to factors during the transition was analyzed.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金项目(61350003)
更新日期/Last Update: 2015-06-30