Research Article

Analog Circuit Soft Fault Diagnosis Based on Sparse Random Projections and K-Nearest Neighbor

Table 2

Diagnosis results of four-opamp biquad high-pass filter circuit.

Fault codeThe proposed method (%)RBFclassifier (%)BayesNet (%)Decision tree (%)SVM (%)

F11003510090100
F210010010010090
F31001008510055
F410010909070
F5100010010090
F61009510010090
F71007010010090
F810055100100100
F910010010095100
F10100100100100100
F1110001009050
F121001009510065
F1310090959065
Average result10065.7797.3196.5481.92