Fault Prediction of Centrifugal Pump Based on Improved KNN

Table 2

Table of characteristic parameter weights.

Feature	Weight	Feature	Weight
RMS	0.3274	MSF	0.0990
Peak factor	0.2869	Kurtosis coefficient	0.0264
Skew coefficient	0.2331	Center frequency	0.0202
Kurtosis	0.1235	Waveform factor	0.0043
Margin coefficient	0.1008	Pulse factor	0.0021