Application of Feature Fusion Using Coaxial Vibration Signal for Diagnosis of Rolling Element Bearings

Table 7

Results of MKL-SVM and SVM.

No.	Data	Method	Label	Training data	Testing data	Accuracy	Running time (s)
1	Coaxial signals	MKL-SVM	1–8	560  2	240  2	97.50% (235/240)	170.96
2	Coaxial signals	SVM	1–8	560  2	240  2	95.00% (228/240)	0.22
3	Coaxial signals	GA-SVM	1–8	560  2	240  2	95.83% (230/240)	84.79
4	Coaxial signals	PSO-SVM	1–8	560  2	240  2	96.67% (232/240)	367.18