[1]张炜.一种面向故障诊断的模糊Petri网[J].计算机技术与发展,2011,(06):227-230.
　ZHANG Wei.A Fuzzy Petri Net Oriented Fault Diagnosis[J].,2011,(06):227-230.
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一种面向故障诊断的模糊Petri网()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年06期
页码:
227-230
栏目:
应用开发研究
出版日期:
1900-01-01

文章信息/Info

Title:
A Fuzzy Petri Net Oriented Fault Diagnosis
文章编号:
1673-629X（2011）06-0227-04
作者:
张炜
西北民族大学数学与计算机科学学院
Author(s):
ZHANG Wei
College of Mathematics and Computer Science,Northwest University for Nationalities
关键词:
故障诊断; 模糊Petri网; 状态方程; 诊断算法
Keywords:
fault diagnosis;  fuzzy Petri net;  state equation;  diagnosis algorithm
分类号:
TP39
文献标志码:
A
摘要:
运用Petri网进行故障诊断推理时,常存在一种故障对应着多种原因的可能,推理结论不能区分并列原因间的相对可能性,且不能体现人工经验。针对这一问题,定义了一种面向故障诊断的模糊Petri网,运用基于状态方程的推理方法,将人工经验用模糊值表示并参与推理运算,以相应库所对应的模糊信息值来衡量库所对应事件的可信度,从而可以实现区分并列事件间的相对可能性。通过某控制系统故障诊断实例,验证了所定义的模糊Petri网和状态方程及其诊断算法的正确性和有效性
Abstract:
One fault caused by many reasons is more common during diagnosis reasoning in Petri net,the reasoning results can＇t distinguish the possibility among the coordinate reasons and unable to show expert experience.Therefore,define a fuzzy Petri net（FPN） oriented fault diagnosis,use the state equation reasoning methods and describe expert experience by fuzzy parameter for these problems.Meanwhile,the reliability of a reasoning result is described by the corresponding fuzzy parameters of the place.Using the new definition and reasoning methods the differences among the coordinate reasons can be distinguished.Via a sample verify the correctness and validity of the definition and state equation and diagnosis reasoning algorithm of the fuzzy Petri net proposed

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备注/Memo

备注/Memo:
西北民族大学中青年科研基金（XBMU-2010-BD-6）张炜（1980-），女，甘肃秦安人，硕士，讲师，研究方向为计算机应用技术
更新日期/Last Update: 1900-01-01