Deep Domain Adaptation Model for Bearing Fault Diagnosis with Riemann Metric Correlation Alignment

Table 2

Description of 12 kHz drive-end bearing datasets.

Fault location		None	RF			IF			OF
Category labels		0	1	2	3	4	5	6	7	8	9
Fault diameter (inch)		0	0.007	0.014	0.021	0.007	0.014	0.021	0.007	0.014	0.021
Dataset A (1 HP)	Train	660	660	660	660	660	660	660	660	660	660
	Test	25	25	25	25	25	25	25	25	25	25
Dataset B (2 HP)	Train	660	660	660	660	660	660	660	660	660	660
	Test	25	25	25	25	25	25	25	25	25	25
Dataset C (3 HP)	Train	660	660	660	660	660	660	660	660	660	660
	Test	25	25	25	25	25	25	25	25	25	25