A Roller Bearing Fault Diagnosis Method Based on LCD Energy Entropy and ACROA-SVM

Table 7

The identification results of LCD-ACROA-SVM compared with EMD-ACROA-SVM or LCD-SVM with EMD-SVM.

Method	Training samples	Test samples	𝐶	𝜎	Cost time (s)	Test error (%)
LCD-ACROA-SVM1	45	15	287.80	2.94	5.59	0
LCD- SVM1	45	15	200	1	/	6.67
EMD-ACROA-SVM1	45	15	1955.47	2.92	6.67	6.67
EMD-SVM1	45	15	200	1	/	13.34
LCD-ACROA-SVM2	30	10	285.61	4.71	4.57	0
LCD- SVM2	30	10	200	1	/	10
EMD-ACROA-SVM2	30	10	1570.16	0.99	5.74	0
EMD-SVM2	30	10	200	1	/	10