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RPROP network is applied to fault diagnosis of analog circuit in time domain and frequency domain. Also the diagnostic results are made use of fuzzy logic to carry on further diagnosis in time domain, frequency domain and comprehensive domain integrated the two domains. Analyses indicate that fault diagnosis of analog circuit using neural network and fuzzy logic in comprehensive domain is effective...
In view of the difficulties caused by component tolerance, a method based on principal component analysis (PCA) is proposed for fault detection of analog circuits. The basic model of the proposed method and the general rule for analog fault detection are described in detail. At first, the principal component model of fault-free circuit is constructed. Then the circuits-under-test are compared with...
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