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With the electronic equipment becoming more and more complicated and integrated, accurate grasp of electronic device's health condition has become increasingly important. In this paper, we think the health condition of the electronic circuits should include health, sub-health and fault, instead of the traditional two health status. For making quantitative evaluation about health condition of electronic...
Fuzzy diagnosis method is easily and widely used in fault diagnosis field. It provides an effective approach to quantify qualitative indicators. The temperature variation and failure cause of the voltage regulator module (VRM) in a power processing printed circuit board (PCB) have fuzzy relation. The fuzzy information is applied to the fault diagnosis of the VRM. The characteristics of the temperature...
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