A New Feature Extraction Method for Bearing Faults in Impulsive Noise Using Fractional Lower-Order Statistics

Table 2

Faulty samples divided into 6 groups.

No.	Groups	Description
1		Three fault types in fault size a
2		Three fault types in fault size b
3		Three fault types in fault size c
4		Rolling fault in different sizes
5		Inner race fault in different sizes
6		Outer race fault in different sizes