Multitask Convolutional Neural Network for Rolling Element Bearing Fault Identification

Table 1

Different data sets.

Damage location		None	Rolling element			Inner race			Outer race
Classification label		0	1	1	1	2	2	2	3	3	3
Regression label		0	7	14	21	7	14	21	7	14	21
Damage degree		0	0.007	0.014	0.021	0.007	0.014	0.021	0.007	0.014	0.021
A	Train	100	100	100	100	100	100	100	100	100	100
	Test	20	20	20	20	20	20	20	20	20	20
B	Train	100	100	100	100	100	100	100	100	100	100
	Test	20	20	20	20	20	20	20	20	20	20
C	Train	100	100	100	100	100	100	100	100	100	100
	Test	20	20	20	20	20	20	20	20	20	20
D	Train	300	300	300	300	300	300	300	300	300	300
	Test	60	60	60	60	60	60	60	60	60	60