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Soft Fault Diagnosis in Analog Circuit Based on Fuzzy and Direction Vector

被引：0
|
作者：
Zhao, Guohui [1 ]
Zhou, Longfu [2 ]
Yang, Yatao [3 ]
机构：
[1] 458 Hosp PLA, Dept Biomed Engn, Guangzhou 510602, Guangdong, Peoples R China
[2] Univ Elect Sci, Sch Automat Engn, Dept Technol China, Chengdu 610054, Peoples R China
[3] Guangzhou Mil Area Command, Informat Ctr Hlth, Guangzhou, Guangdong, Peoples R China
来源：
IEEE CIRCUITS AND SYSTEMS INTERNATIONAL CONFERENCE ON TESTING AND DIAGNOSIS | 2009年
关键词：
Analog circuit; fault diagnosis; fuzzy; direction vector; DICTIONARY;
D O I：
10.1061/41064(358)190
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A circuit basic theory of fault diagnosis for analog circuit with parameter tolerance is proposed in this paper. The approach uses direction vector of voltage increment in test nodes as fault signature for predefined faults. A linear equation is built to locate faulty element. On the condition that the component tolerances are taken into account, the concept of direction vector and fuzzy analysis method are combined together to analyze parametric fault. Examples illustrate the proposed approach and show its effectiveness.
引用
收藏
页码：190 / +
页数：2
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