Research Article
Fault Diagnosis of Rotating Machinery Based on Adaptive Stochastic Resonance and AMD-EEMD
Table 5
The amplitude and component count of fault feature frequency of SKF6205 under different rotational speed.
| | Bearing type | SKF6205 |
| | Motor speed | 1797 r/min |
1772 r/min | 1750 r/min | 1730 r/min |
| | Frequency value | 162 Hz | 159.6 Hz | 157.2 Hz | 154.8 Hz |
| | | Amplitude | Component count | Amplitude | Component count | Amplitude | Component count | Amplitude | Component count |
| | SR-AMD-EEMD | 0.02887 | 3 | 0.02164 | 2 | 0.02567 | 3 | 0.02608 | 2 | | AMD-EEMD | 0.01481 | 3 | 0.01402 | 2 | 0.01518 | 3 | 0.00881 | 3 | | AMD-EMD | 0.01536 | 3 | 0.01336 | 2 | 0.01528 | 4 | 0.00863 | 2 | | SR-EEMD | 0.02880 | 11 | 0.02034 | 10 | 0.02555 | 10 | 0.02480 | 9 | | SR-EMD | 0.02579 | 9 | 0.01738 | 9 | 0.02001 | 8 | 0.02729 | 10 | | EEMD | 0.01324 | 10 | 0.01672 | 10 | 0.01314 | 10 | 0.00834 | 11 | | EMD | 0.01163 | 10 | 0.01371 | 9 | 0.01224 | 9 | 0.00763 | 10 |
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