Research Article
General Log-Linear Weibull Model Combining Vibration and Temperature Characteristics for Remaining Useful Life Prediction of Rolling Element Bearings
Table 4
Numerical prognostic performance comparisons of various approaches.
| Tested bearing | LRM | SVM | KF | CNN | Proposed method | RMSE | MAPE | RMSE | MAPE | RMSE | MAPE | RMSE | MAPE | RMSE | MAPE |
| 1-4 | 12.85 | 41.62 | 4.32 | 32.11 | 2.45 | 21.35 | 2.21 | 17.24 | 1.43 | 14.25 | 1-5 | 13.68 | 43.24 | 3.57 | 28.72 | 2.53 | 21.42 | 1.23 | 12.31 | 1.62 | 15.56 | 1-6 | 15.86 | 44.99 | 4.31 | 32.42 | 2.86 | 24.51 | 1.84 | 13.26 | 1.25 | 13.53 | 1-7 | 20.97 | 53.65 | 1.25 | 16.66 | 0.94 | 9.64 | 0.22 | 8.44 | 0.13 | 5.45 | 2-4 | 16.73 | 48.28 | 2.56 | 22.32 | 0.33 | 11.66 | 0.25 | 8.96 | 0.28 | 9.02 | 3-3 | 11.36 | 37.31 | 3.27 | 28.17 | 2.62 | 25.22 | 0.43 | 9.89 | 0.14 | 6.73 | Average | 15.24 | 44.85 | 3.21 | 26.73 | 1.96 | 18.97 | 1.03 | 11.68 | 0.81 | 10.76 |
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