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