Research Article
Remaining Useful Life Prediction and Fault Diagnosis of Rolling Bearings Based on Short-Time Fourier Transform and Convolutional Neural Network
| Damage size (inch) | Motor speed (r/min) | Normal signal | Inner ring failure | Outer ring failure | Rolling element failure |
| 0 | 1797 | 240 | — | — | — | 1772 | 240 | — | — | — | 1750 | 240 | — | — | — | 1730 | 240 | — | — | — | 0.007 | 1797 | — | 80 | 80 | 80 | 1772 | — | 80 | 80 | 80 | 1750 | — | 80 | 80 | 80 | 1730 | — | 80 | 80 | 80 | 0.014 | 1797 | — | 80 | 80 | 80 | 1772 | — | 80 | 80 | 80 | 1750 | — | 80 | 80 | 80 | 1730 | — | 80 | 80 | 80 | 0.021 | 1797 | — | 80 | 80 | 80 | 1772 | — | 80 | 80 | 80 | 1750 | — | 80 | 80 | 80 | 1730 | — | 80 | 80 | 80 | Total | — | 960 | 960 | 960 | 960 |
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