Research Article

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

Table 1

The detailed information of the used vibration dataset.

Condition of the bearingsDefect Size (mm)Number of training samplesNumber of testing samplesClass
2 hp2 hp (case )3 hp (case )

Healthy ball02040401

Ball fault0.0072040402
0.0142040403
0.0212040404
0.0282040405

Inner race fault0.0072040406
0.0142040407
0.0212040408
0.0282040409

Outer race fault0.00720404010
0.01420404011
0.02120404012

Number of samples240480480