T-S动态故障树分析方法

被引：25

作者：

姚成玉 ^{[1
]}

饶乐庆 ^{[2
,3
]}

陈东宁 ^{[2
,3
]}

侯鑫 ^{[2
,3
]}

吕世君 ^{[2
,3
]}

于传宇 ^{[2
,3
]}

机构：

[1] 燕山大学河北省工业计算机控制工程重点实验室

[2] 燕山大学河北省重型机械流体动力传输与控制重点实验室

[3] 先进锻压成型技术与科学教育部重点实验室(燕山大学)

来源：

机械工程学报 | 2019年 / 55卷 / 16期

基金：

中国博士后科学基金;

关键词：

故障树; 动态故障树; T-S动态故障树; T-S动态门; T-S动态门规则;

D O I：

暂无

中图分类号：

TB114.3 [可靠性理论];

学科分类号：

摘要：

DUGAN动态故障树由静态子树和动态子树组成,静态子树为传统故障树并用与、或门等传统逻辑门描述静态失效行为,动态子树用优先与门、功能相关门、顺序相关门、备件门等动态逻辑门描述动态失效行为。相对于传统故障树,T-S故障树可以刻画任意形式的组合、多态等静态失效行为,但仍不能刻画系统的动态失效行为。为进一步增强故障树描述静、动态失效逻辑的能力,提出了T-S动态故障树分析方法,首先定义并提出了描述静、动态逻辑关系的T-S动态门及描述T-S动态门的时间状态规则和事件发生规则构建方法,进而提出了基于T-S动态门输入、输出规则算法的T-S动态故障树分析求解计算方法。T-S动态故障树的T-S动态门规则可无限逼近现实系统的失效行为,不仅可以描述DUGAN动态门所刻画的动态失效行为,还可以描述DUGAN动态门不能刻画的静、动态失效行为。最后,将T-S动态故障树分析方法分别与离散时间贝叶斯网络、Markov链和顺序二元决策图求解DUGAN动态故障树的方法进行对比,验证了所提方法的可行性和计算的简便性。

引用

页码：17 / 32

页数：16

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