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

Table 17

The detailed information of the first group dataset.

Bearing condition	Defect diameter (mm)	Number of training samples	Number of testing samples		Class label
		1800 tr/min	1800 tr/min (case 1)	1200 tr/min (case 2)
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