Research Article
A Novel Method of Fault Diagnosis for Rolling Bearing Based on Dual Tree Complex Wavelet Packet Transform and Improved Multiscale Permutation Entropy
Table 1
The detailed description of the experimental datasets.
| Fault type | Fault diameter (mm) | Fault degree | Number of training samples | Number of testing samples | Class label |
| Normal | 0 | ā | 10 | 40 | 1 |
| Inner race | 0.1778 | Slight | 10 | 40 | 2 | 0.3556 | Medium | 10 | 40 | 3 | 0.5334 | Severe | 10 | 40 | 4 |
| Outer race | 0.1778 | Slight | 10 | 40 | 5 | 0.3556 | Medium | 10 | 40 | 6 | 0.5334 | Severe | 10 | 40 | 7 |
| Rolling element | 0.1778 | Slight | 10 | 40 | 8 | 0.3556 | Medium | 10 | 40 | 9 | 0.5334 | Severe | 10 | 40 | 10 |
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