A binary decision diagram for fault tree analysis

GAO Wei ZHANG Qinfang

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A binary decision diagram for fault tree analysis

更新时间：2021-03-05

- A binary decision diagram for fault tree analysis
- NUCLEAR TECHNIQUES Vol. 34, Issue 10, (2011)
- 作者机构：
  
  上海核工程研究设计院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM623.8
- Published：01 October 2011
- 稿件说明：
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[1]高巍,张琴芳.基于二叉决策图的故障树求解法[J].核技术,2011,34(10):791-795.

GAO Wei ZHANG Qinfang. A binary decision diagram for fault tree analysis[J]. Nuclear techniques, 2011, 34(10): 791-795.
[1]高巍,张琴芳.基于二叉决策图的故障树求解法[J].核技术,2011,34(10):791-795. DOI：

GAO Wei ZHANG Qinfang. A binary decision diagram for fault tree analysis[J]. Nuclear techniques, 2011, 34(10): 791-795. DOI：

摘要

探讨了二叉决策图（BDD）求解故障树失效概率和最小割集（MCS）的方法

包括如何将故障树转化为BDD、用BDD求解最小割集、利用零压缩二叉决策图（ZBDD）表示最小割集以减少存储空间、基于BDD求解故障树顶事件失效概率。用程序实现了BDD算法

以某电厂PSA模型部分分枝为对象

通过手工计算和RiskSpectrum PSA程序验证了该程序的正确性

对比结果显示该程序可用于求解小规模故障树失效率和MCS。

Abstract

In this paper

binary decision diagram(BDD) algorithm is used for fault tree analysis.The ways of calculating failure probability and minimal cut-set(MCS) for certain fault trees are presented

including conversion from fault tree to BDD structure

obtaining MCS from BDD

MCS storage in terms of zero-suppressed BDD(ZBDD) for space-saving

and calculation of top event unavailability.A program was compiled and validated by calculating a PSA model of certain nuclear power plant both by hand and RiskSpectrum PSA.The comparison results show that the program can qualify and quantify a fault tree of relatively small scale.

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Related Author

Jingcheng Liu

Xinjia Wu

Yachuan Tai

Related Institution

Shanghai Jiao Tong University

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