A new fuzzy method of FTA in safety system engineering

被引：0
|
作者：
Yang, Y [1 ]
He, XQ [1 ]
Wang, EY [1 ]
Liu, JZ [1 ]
机构：
[1] Chinese Univ Min & Technol, Xuzhou 221000, Peoples R China
来源：
PROCEEDINGS IN MINING SCIENCE AND SAFETY TECHNOLOGY | 2002年
关键词：
fault tree; fuzzy number; basic events; probability importance;
D O I：
暂无
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
In conventional fault tree analysis it is difficult to exactly define the probabilities of basic events. This paper presents a new method to analyze fault tree by using fuzzy number arithmetic operations, which a normal fuzzy number represents the probabilities of basic events. The operating model of fuzzy fault tree is built and the computing formulae for the fuzzy probability of the top event and the fuzzy probability importance of basic events are derived. Finally, a technical example is shown.
引用
收藏
页码：382 / 387
页数：6
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