Research Article
Remaining Useful Life Prediction and Fault Diagnosis of Rolling Bearings Based on Short-Time Fourier Transform and Convolutional Neural Network
Table 4
Diagnostic accuracy of multiple tests.
| Method | Accuracy in different testing times (%) | Average accuracy (%) | 1 | 2 | 3 | 4 | 5 |
| BPNN | 83.32 | 80.58 | 82.62 | 83.30 | 83.25 | 82.61 | PSO-BP | 83.35 | 85.67 | 87.32 | 86.54 | 86.70 | 85.92 | GA-BP | 86.53 | 88.24 | 87.34 | 87.50 | 85.42 | 87.01 | STFT-CNN | 95.83 | 97.30 | 94.78 | 97.65 | 96.25 | 96.36 |
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