Quantitative Diagnosis of Rotor Vibration Fault Using Process Power Spectrum Entropy and Support Vector Machine Method

Table 1

The PPSE distribution range of rotor vibration faults.

Fault type	PSE distribution range
Rotor imbalance	3.659~5.260
Shaft misalignment	3.945~5.488
Rotor rubbing	4.357~5.618
Pedestal looseness	3.578~5.526