Research Article
Fault Diagnosis for Analog Circuits by Using EEMD, Relative Entropy, and ELM
Table 1
Fault configuration for Sallen-Key filter circuit.
| Fault ID | Faults | Nominal values | Faulty parameter ranges |
| F0 | No-fault | | | F1 | R1 | 5.18k | [0.5, 4.92k] | F2 | R1 | 5.18k | [5.44k, 51meg] | F3 | R2 | 1k | [0.1, 0.95k] | F4 | R2 | 1k | [1.05k, 10meg] | F5 | R3 | 2k | [0.2, 1.9k] | F6 | R3 | 2k | [2.1k, 20meg] | F7 | R4 | 4k | [0.4, 3.8k] | F8 | R4 | 4k | [4.2k, 40meg] | F9 | R5 | 4k | [0.4, 3.8k] | F10 | R5 | 4k | [4.2k, 40meg] | F11 | C1 | 5n | [0.5p, 4.75n] | F12 | C1 | 5n | [5.25n, 50u] | F13 | C2 | 5n | [0.5p, 4.75n] | F14 | C2 | 5n | [5.25n, 50u] |
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