A Novel Method for Remaining Useful Life Prediction of Roller Bearings Involving the Discrepancy and Similarity of Degradation Trajectories

Table 15

The comparison of RUL prediction results of testing bearings.

Methods	RMSE	SMAPE
Huang’s method [21]	0.161	0.128
Hu’s method [23]	0.238	0.143
Ding method [32]	0.179	0.149
Li’s method [33]	0.136	0.144
Xiao’s method [47]	0.083	0.109
Proposed method	0.091	0.0833