Research Article
Fault Diagnosis of Rotating Machinery Based on Adaptive Stochastic Resonance and AMD-EEMD
Table 6
The amplitude and component count of fault feature frequency of SKF6203 under different rotational speed.
| | Bearing type | SKF6203 |
| | Motor speed | 1797 r/min | 1772 r/min | 1750 r/min | 1730 r/min |
| | Frequency value | 147.6 Hz | 146.4 Hz | 144 Hz | 142.8 Hz |
| | | Amplitude | Component count | Amplitude | Component count | Amplitude | Component count | Amplitude | Component count |
| | SR-AMD-EEMD | 0.01287 | 4 | 0.00858 | 3 | 0.00754 | 3 | 0.00748 | 4 | | AMD-EEMD | 0.00524 | 4 | 0.00342 | 3 | 0.00323 | 4 | 0.00375 | 4 | | AMD-EMD | 0.00529 | 4 | 0.00345 | 3 | 0.00335 | 4 | 0.00382 | 4 | | SR-EEMD | 0.01208 | 10 | 0.00854 | 10 | — | — | — | — | | SR-EMD | 0.01228 | 9 | 0.00660 | 9 | — | — | — | — | | EEMD | 0.00574 | 10 | 0.00364 | 10 | — | — | — | — | | EMD | 0.00568 | 9 | 0.00469 | 9 | — | — | — | — |
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Note. “—” expresses no result.
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