Fault diagnosis for linear analog circuits

被引:9
|
作者
Lin, JW [1 ]
Lee, CL
Su, CC
Chen, JE
机构
[1] Natl Chiao Tung Univ, Dept Elect Engn, Hsinchu, Taiwan
[2] Natl Cent Univ, Dept Elect Engn, Chungli 32054, Taiwan
[3] Chung Hwa Univ, Dept Elect Engn, Hsinchu, Taiwan
关键词
fault diagnosis; signal flow graph; diagnosing evaluators; un-powered network;
D O I
10.1023/A:1012816621144
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
This paper presents a novel scheme to diagnose single and double faults for linear analog circuits. The scheme first proposes a simple transformation procedure to transform the tested linear analog circuit into a discrete signal flow graph, then constructs "diagnosing evaluators," which model the faulty components, to form a diagnosis configuration to diagnose the faults through digital simulation. This saves much computation time. Furthermore, a simple method to un-power OP's is also proposed to differentiate equivalent faults. The scheme can diagnose faults in passive components as well as active faults in OP's.
引用
收藏
页码:483 / 494
页数:12
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