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- Title
Diagnosis of Incipient Faults in Nonlinear Analog Circuits Based on High Order Moment Fractional Transform.
- Authors
Deng, Yong; Chen, Ting; Zhang, Di
- Abstract
Considering the problem to diagnose incipient faults in nonlinear analog circuits, a novel approach of fault feature-extracting based on HMFT (high order moment fractional transform) of the component parameter change is proposed. Firstly, the equivalence circuit model is established according to the topological structure and the voltage sensitivity of the circuit under test (CUT). Then the HMFT of component parameter changes are derived, which are used as fault features. Finally, using the extracted features, incipient fault diagnosis is accomplished. The simulations illustrate the proposed method and show its effectiveness in the incipient fault recognition capability.
- Subjects
ANALOG circuits; FAULT diagnosis; ELECTRIC power system faults
- Publication
Journal of Electronic Testing, 2020, Vol 36, Issue 4, p485
- ISSN
0923-8174
- Publication type
Article
- DOI
10.1007/s10836-020-05889-y