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

Table 6

Results of coaxial signals and individual signal.

No.	Data	Method	Label	Training data	Test data	Accuracy
1	Coaxial signals	MKL-SVM	1–8	560  2	240  2	97.50% (235/240)
2	Individual signal of drive end	MKL-SVM	1–8	560  1	240  1	66.67% (160/240)
3	Individual signal of fan end	MKL-SVM	1–8	560  1	240  1	60.42% (145/240)