Research Article
Multifault Diagnosis of Rolling Element Bearings Using a Wavelet Kurtogram and Vector Median-Based Feature Analysis
Table 1
Time domain statistical feature parameters.
| | Parameter | Definition |
| | Root mean square () | |
| |
Root mean square of the amplitude () | |
| | Kurtosis () | |
| | Skewness () | |
| | Peak-to-peak () | |
| | Crest factor () | |
| | Impulse factor () | |
| | Margin factor () | |
| | Shape factor () | |
| | Kurtosis factor () | |
|
|
