SOFT FAULT DIAGNOSIS IN ANALOG CIRCUIT BASED ON FUZZY AND DIRECTION VECTOR

被引：0

作者：

Zhou, Longfu ^{[1
]}

Shi, Yibing ^{[1
]}

Tang, Jingyuan ^{[1
]}

Li, Yanjun ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 610054, Peoples R China

来源：

METROLOGY AND MEASUREMENT SYSTEMS | 2009年 / 16卷 / 01期

关键词：

analog circuit; fault diagnosis; fuzzy; direction vector;

D O I：

暂无

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A basic circuit theory of fault diagnosis for analog circuits with parameter tolerance is proposed in this paper. The approach uses the direction vector of voltage increment in test nodes as a fault signature for predefined faults. A linear equation is built to locate a faulty element. On the condition that the component tolerances are taken into account, the concepts of direction vector and fuzzy analysis method are combined together to analyze a parametric fault. Examples illustrate the proposed approach and show its effectiveness.

引用

页码：61 / 75

页数：15

共 26 条

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