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 code | The proposed method (%) | RBFclassifier (%) | BayesNet (%) | Decision tree (%) | SVM (%) |
| F1 | 100 | 35 | 100 | 90 | 100 | F2 | 100 | 100 | 100 | 100 | 90 | F3 | 100 | 100 | 85 | 100 | 55 | F4 | 100 | 10 | 90 | 90 | 70 | F5 | 100 | 0 | 100 | 100 | 90 | F6 | 100 | 95 | 100 | 100 | 90 | F7 | 100 | 70 | 100 | 100 | 90 | F8 | 100 | 55 | 100 | 100 | 100 | F9 | 100 | 100 | 100 | 95 | 100 | F10 | 100 | 100 | 100 | 100 | 100 | F11 | 100 | 0 | 100 | 90 | 50 | F12 | 100 | 100 | 95 | 100 | 65 | F13 | 100 | 90 | 95 | 90 | 65 | Average result | 100 | 65.77 | 97.31 | 96.54 | 81.92 |
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