Research Article
Performance Improvement of Ensemble Empirical Mode Decomposition for Roller Bearings Damage Detection
Table 8
The results of using different trial numbers (NR) for the condition: speed = 200 Hz and load = 1.8 kN.
| | Method | | NR | | | 30 | 50 | 70 | 100 | 500 | 1000 | 2000 |
| | PIEEMD (SNR = 10) | Success rate | 81.3 | 87.5 | 87.5 | 87.5 | 87.5 | 93.8 | 93.8 | | Margin | 0.6353 | 0.7244 | 0.7043 | 0.6854 | 0.7254 | 0.7151 | 0.7267 |
| | EEMD (0.3) | Success rate | 81.3 | 81.3 | 87.5 | 87.5 | 87.5 | 87.5 | 87.5 | | Margin | 0.6912 | 0.6998 | 0.7032 | 0.6922 | 0.6975 | 0.7086 | 0.7116 |
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