Table 9 Comparison results of five methods on 31# bearing.
From: Remaining useful life prediction method of centrifugal pump rolling bearings based on digital twins
Methods | 30% | 60% | 100% | ||||||
---|---|---|---|---|---|---|---|---|---|
RMSE | Score | MAE | RMSE | Score | MAE | RMSE | Score | MAE | |
AP-GAN-DNN | 7.15 | 40.62 | 6.83 | 4.59 | 31.75 | 5.05 | 4.17 | 30.16 | 4.96 |
DCTC-GAN-DCNN | 8.26 | 45.47 | 7.79 | 5.92 | 35.38 | 6.78 | 5.46 | 34.79 | 6.53 |
AP-GAN-LSTM-RVM | 6.75 | 39.25 | 5.23 | 3.29 | 30.57 | 4.93 | 3.01 | 29.31 | 4.46 |
DCTC-GAN-LSTM-RVM | 8.11 | 44.36 | 7.53 | 5.76 | 34.08 | 6.13 | 5.34 | 33.53 | 6.23 |
Our method | 5.49 | 33.39 | 4.11 | 2.26 | 24.76 | 3.33 | 2.14 | 23.47 | 3.27 |