Fault Diagnosis of Bearings with Adjusted Vibration Spectrum Images
Table 4
Description of bearing datasets for multifault severity detection.
Dataset
Training data
Testing data
The number of samples
Fault type and severity
Classification label
G1/G2/G3/G4/G5
Load 0/Load 1/Load 2/Load 3/Load 0-3
Load 0–3
50/50/50/50/200
Normal
1
50/50/50/50/200
0.007 in
2
50/50/50/50/200
0.014 in
3
50/50/50/50/200
0.021 in
4
50/50/50/50/200
0.007 ball
5
50/50/50/50/200
0.014 ball
6
50/50/50/50/200
0.021 ball
7
50/50/50/50/200
0.007 out
8
50/50/50/50/200
0.014 out
9
50/50/50/50/200
0.021 out
10
Normal means the testing bearing is normal. 0.007 in means inner-race fault diameter of 0.007 inches; 0.007 ball means ball fault diameter of 0.007 inches; and 0.007 out means outer-race fault diameter of 0.007 inches, etc.