An Accurate Prediction Algorithm of RUL for Bearings: Time-Frequency Analysis Based on MRCNN

Table 1

Experimental data specification.

	Condition 1	Condition 2	Condition 3
Load ()	4000	4200	5000
Speed (rpm)	1800	1650	1500
Training dataset	Bearing1_1; Bearing1_2	Bearing2_1; Bearing2_2	Bearing3_1; Bearing3_2
Testing dataset	Bearing1_3; Bearing1_4; Bearing1_5; Bearing1_6; Bearing1_7	Bearing2_3; Bearing2_4; Bearing2_5; Bearing2_6; Bearing2_7	Bearing3_3