Bearing Fault Diagnosis Based on Collaborative Representation Using Projection Dictionary Pair

Table 2

Detail information of the drive end for the generation of raw samples.

States	Diameter (inch)	Number of samples
		1797 rpm (0 HP)	1772 rpm (1 HP)	1750 rpm (2 HP)	1730 rpm (3 HP)	Class
Normal	0.000	50	50	50	50	1
Ball fault	0.007	50	50	50	50	2
	0.014	50	50	50	50	3
	0.021	50	50	50	50	4
	0.028	50	50	50	50	5
Inner-race fault	0.007	50	50	50	50	6
	0.014	50	50	50	50	7
	0.021	50	50	50	50	8
	0.028	50	50	50	50	9
Outer-race fault	0.007	50	50	50	50	10
	0.014	50	50	50	50	11
	0.021	50	50	50	50	12