| Experiment | Number of training/testing samples | Gear crack levels of training/testing | Motor speeds of training/testing samples (rpm) | Loads of training/testing samples | Classification labels |
| 1 | 12/12 | 0%/0% | 1200–1800/1200–1800 | N, H, F/N, H, F | 1 | 12/12 | 25%/25% | 1200–1800/1200–1800 | N, H, F/N, H, F | 2 | 12/12 | 50%/50% | 1200–1800/1200–1800 | N, H, F/N, H, F | 3 | 12/12 | 75%/75% | 1200–1800/1200–1800 | N, H, F/N, H, F | 4 | 12/12 | 100%/100% | 1200–1800/1200–1800 | N, H, F/N, H, F | 5 |
| 2 | 12/12 | 0%/0% | 1200, 1600/1400, 1800 | N, H, F/N, H, F | 1 | 12/12 | 25%/25% | 1200, 1600/1400, 1800 | N, H, F/N, H, F | 2 | 12/12 | 50%/50% | 1200, 1600/1400, 1800 | N, H, F/N, H, F | 3 | 12/12 | 75%/75% | 1200, 1600/1400, 1800 | N, H, F/N, H, F | 4 | 12/12 | 100%/100% | 1200, 1600/1400, 1800 | N, H, F/N, H, F | 5 |
| 3 | 8/16 | 0%/0% | 1200–1800/1200–1800 | N/H, F | 1 | 8/16 | 25%/25% | 1200–1800/1200–1800 | N/H, F | 2 | 8/16 | 50%/50% | 1200–1800/1200–1800 | N/H, F | 3 | 8/16 | 75%/75% | 1200–1800/1200–1800 | N/H, F | 4 | 8/16 | 100%/100% | 1200–1800/1200–1800 | N/H, F | 5 |
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