DocumentCode
973747
Title
Analogue fault detectability comparison between power supply current and output voltage magnitude and phase spectrum components
Author
Papakostas, D.K. ; Hatzopoulos, A.A.
Author_Institution
Dept. of Electr. & Comput. Eng., Aristotle Univ. of Thessaloniki, Greece
Volume
40
Issue
8
fYear
2004
fDate
4/15/2004 12:00:00 AM
Firstpage
457
Lastpage
458
Abstract
A method using magnitude and phase spectrum components for fault detection of catastrophic and parametric faults is presented. A procedure is developed, discrimination factors are defined and their values are adjusted to include circuit parameter deviations. Comparative results from linear and nonlinear configurations of operational amplifier circuits are given, showing a significant increase in fault detectability over a previous method and also an improvement in fault coverage by the use of the power supply current against the output voltage signal.
Keywords
Monte Carlo methods; failure analysis; fault diagnosis; operational amplifiers; power supply circuits; analogue fault detection; catastrophic faults; circuit parameter; discrimination factors; linear configurations; nonlinear configurations; operational amplifier circuits; output voltage magnitude; output voltage signal; parametric faults; phase spectrum components; power supply current;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20040334
Filename
1293615
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