Research Article
An Improved Bearing Fault Diagnosis Model of Variational Mode Decomposition Based on Linked Extension Neural Network
Table 4
Description of bearing fault data.
| | Fault type | Motor speed (rpm) | Motor load (hp) | Sample frequency (kHz) | Fault size (mm) | Number of samples |
| | Normal (N) | 1797 | 0 | 12 | - | 119 | | Minor inner race fault (MIF) | 1797 | 0 | 12 | 0.1778 | 59 | | Serious inner race fault (SIF) | 1797 | 0 | 12 | 0.5334 | 59 | | Minor ball fault (MBF) | 1797 | 0 | 12 | 0.1778 | 59 | | Serious ball fault (SBF) | 1797 | 0 | 12 | 0.5334 | 59 |
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