Multiple-Fault Diagnosis Method Based on Multiscale Feature Extraction and MSVM_PPA

Table 5

Comparison of the performance of PPA_MSVM with GV_MSVM classifiers.

Method	PCA; method	Best C	Best γ	Training; accuracy (%)	Prediction; accuracy (%)
GV_MSVM	/	16	0.25	98.69	93.33
	PCA	8	0.25	98.21	92.5
PPA_MSVM	/	69.89	0.01	97.62	96.67
	PCA	100	0.01	96.42	95.24