Rolling Bearing Fault Diagnosis Based on Sensitive Feature Transfer Learning and Local Maximum Margin Criterion under Variable Working Condition

Table 18

The detailed information of the second group dataset.

Bearing condition	Defect diameter (mm)	Number of training samples	Number of testing samples		Class label
		1200 tr/min	1200 tr/min (case 3)	1800 tr/min (case 4)
Normal	0	20	40	40	1
Ball fault	0.05	20	40	40	2
	0.1	20	40	40	3
	0.2	20	40	40	4
Inner race fault	0.05	20	40	40	5
	0.1	20	40	40	6
	0.2	20	40	40	7
Outer race fault	0.05	20	40	40	8
	0.1	20	40	40	9
	0.2	20	40	40	10
Number of samples		240	480	480