Roller Bearing Fault Diagnosis Based on Adaptive Sparsest Narrow-Band Decomposition and MMC-FCH

Table 4

Descriptions of the experimental data sets.

Fault class	Fault severity	Defect size (in.)	Number of data sets	Class label
Normal	No fault	0	30	1
Ball fault	Slight	0.007	30	2
Ball fault	Moderate	0.014	30	3
Ball fault	Severe	0.021	30	4
Inner race fault	Slight	0.007	30	5
Inner race fault	Moderate	0.014	30	6
Inner race fault	Severe	0.021	30	7
Outer race fault	Slight	0.007	30	8
Outer race fault	Moderate	0.014	30	9
Outer race fault	Severe	0.021	30	10