| 非单调关联故障树顶事件失效概率的新算法 |
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| 引用本文： | 周经伦,刘波,孙权.非单调关联故障树顶事件失效概率的新算法[J].国防科技大学学报,1999,21(2):104-107. |
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| 作者姓名： | 周经伦 刘波 孙权 |
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| 作者单位： | 国防科技大学系统工程与数学系 |
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| 摘 要： | 提出了一种计算非单调关联故障树顶事件失效概率的新方法，其基本思想是利用ＢＤＤ进行故障树中顶事件的不交化工作，可避免求ＰＩＳ和ＰＩＳ的最小覆盖的运算过程，为有效解决其运算的ＮＰ困难问题提供了一条新的途径。
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| 关 键 词： | 非单调关联故障树，顶事件失效概率，BDD，FTA |
| 收稿时间： | 1998/9/14 0:00:00 |
A New Algorithm for Calculating Top-Event Failure Probability of Non-coherent Fault Tree |
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| Zhou Jinglun,Liu Bo and Sun Quan.A New Algorithm for Calculating Top-Event Failure Probability of Non-coherent Fault Tree[J].Journal of National University of Defense Technology,1999,21(2):104-107. |
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| Authors: | Zhou Jinglun Liu Bo and Sun Quan |
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| Institution: | Department of System Engineering and Mathematics, NUDT, Changsha, 410073;Department of System Engineering and Mathematics, NUDT, Changsha, 410073;Department of System Engineering and Mathematics, NUDT, Changsha, 410073 |
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| Abstract: | Calculating Top Event failure probability is an important aspect of non coherent FTA(Fault Tree Analysis).Because of the complexity of non coherent system,all existing algorithms can't satisfy the requirements of exactness and speediness in application.In this article,we adopt a new algorithm for calculating Top Event failure probability of non coherent fault tree,which is based on BDD to decompose Top Event of the fault tree and avoid seeking PIS and the smallest cover of PIS.So the new algorithm provides a new method for solving the NP problem effectively. |
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| Keywords: | non coherent fault tree top event failure probability BDD FTA |
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