Research Article

Rolling Bearing Fault Diagnosis Using Modified Neighborhood Preserving Embedding and Maximal Overlap Discrete Wavelet Packet Transform with Sensitive Features Selection

Table 13

The detailed information of the used vibration dataset.

Condition of the bearingsDefect size (mm)Number of training samplesNumber of testing samplesClass
1800 tr/min1800 tr/min (case 1)1200 tr/min (case 2)

Healthy ball02040401

Ball fault0.052040402
0.12040403
0.22040404

Inner race fault0.052040405
0.12040406
0.22040407

Outer race fault0.052040408
0.12040409
0.220404010

Number of samples240480480