FuzzyFTA: a fuzzy fault tree system for uncertainty analysis

被引:33
作者
Guimarees, ACF [1 ]
Ebecken, NFF
机构
[1] Nucl Energy Natl Commiss, Rio De Janeiro, Brazil
[2] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil
关键词
fault tree; fuzzy logic; importance measure; uncertainty;
D O I
10.1016/S0306-4549(98)00070-X
中图分类号
TL [原子能技术]; O571 [原子核物理学];
学科分类号
0827 ; 082701 ;
摘要
This paper describes a new approach and new computational system, FuzzyFTA, for reliability analysis using fault tree and fuzzy logic. Some measures are defined to determine critical components and the uncertainty contribution of each one to the system. The FuzzyFTA system includes algorithms to consider the minimal cut set approach for the top event calculation. After that, these algorithms are used to determine importance measures. The computer code application is the Auxiliary Feedwater System (AFWS) analysis, a recent study made for Angra-I, Brazilian NPP. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:523 / 532
页数:10
相关论文
共 9 条
[1]  
BILL T, 1996, DELPHI 2 0 DEV GUIDE
[2]   FUZZY SYSTEM RELIABILITY-ANALYSIS USING FUZZY NUMBER ARITHMETIC OPERATIONS [J].
CHEN, SM .
FUZZY SETS AND SYSTEMS, 1994, 64 (01) :31-38
[3]  
KUZNETSOV NY, 1994, CYBERNETICS SYSTEMS, V30
[4]   FUZZY FAULT-TREE ANALYSIS USING FAILURE POSSIBILITY [J].
LIANG, GS ;
WANG, MJJ .
MICROELECTRONICS AND RELIABILITY, 1993, 33 (04) :583-597
[5]   A FUZZY SET APPROACH TO FAULT TREE AND RELIABILITY-ANALYSIS [J].
SINGER, D .
FUZZY SETS AND SYSTEMS, 1990, 34 (02) :145-155
[6]   Uncertainty in fault tree analysis: A fuzzy approach [J].
Suresh, PV ;
Babar, AK ;
Raj, VV .
FUZZY SETS AND SYSTEMS, 1996, 83 (02) :135-141
[7]  
*SYB INC, DELPH 3 0 BIBL WIND
[8]  
Zadeh Lofti A, 1965, THEORETICAL FDN FUZZ
[9]  
1974, FSAR FINAL SAFETY AN, V1