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Shock and Vibration
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2020
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Article
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Tab 1
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Research Article
An Integrated Fault Identification Approach for Rolling Bearings Based on Dual-Tree Complex Wavelet Packet Transform and Generalized Composite Multiscale Amplitude-Aware Permutation Entropy
Table 1
The brief description of experimental data.
Health state
Fault diameter (mm)
Fault severity
Abbreviation
Training sample number
Testing sample number
Classification label
Normal
None
ā
NM
30
20
0
Inner race fault
0.1778
Minor
IRF1
30
20
1
0.3556
Medium
IRF2
30
20
2
0.5334
Severe
IRF3
30
20
3
Outer race fault
0.1778
Minor
ORF1
30
20
4
0.3556
Medium
ORF2
30
20
5
0.5334
Severe
ORF3
30
20
6
Ball fault
0.1778
Minor
BF1
30
20
7
0.3556
Medium
BF2
30
20
8
0.5334
Severe
BF3
30
20
9