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

Table 8

The description of XJTU-SY bearing data sets.

Data sets	Operating conditions
	Condition 1	Condition 2	Condition 3
Speed (RPM)	2,100	2,250	2,400
Load (kN)	12	11	10
Training sets	Bearing 1_1	Bearing 2_1	Bearing 3_1
	Bearing 1_2	Bearing 2_2	Bearing 3_2
Testing sets	Bearing 1_3	Bearing 2_3	Bearing 3_3
	Bearing 1_4	Bearing 2_4	Bearing 3_4
	Bearing 1_5	Bearing 2_5	Bearing 3_5