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