Application of LCD-SVD Technique and CRO-SVM Method to Fault Diagnosis for Roller Bearing

Table 4

Identification results of 2nd data based on LCD-SVD and CRO-SVM method.

Test samples	Fault feature vector				LCD-SVD-CRO-SVM1	LCD-SVD-CRO-SVM2	LCD-SVD-CRO-SVM3	Identification results
IR fault	3.7993	1.3423	0.6323	0.5431	(+1)			IR fault
IR fault	4.6628	1.5491	0.7317	0.6030	(+1)			IR fault
Ball fault	6.6009	1.2908	0.8887	0.6388	(−1)	(+1)		Ball fault
Ball fault	6.0625	1.1805	0.8026	0.7126	(−1)	(+1)		Ball fault
Normal	1.2331	0.9392	0.4472	0.3926	(−1)	(−1)	(+1)	Normal
Normal	1.1058	0.8236	0.6051	0.4798	(−1)	(−1)	(+1)	Normal
OR fault	11.2975	3.0615	2.0807	1.3404	(−1)	(−1)	(−1)	OR fault
OR fault	9.8392	2.8869	2.0738	1.6064	(−1)	(−1)	(−1)	OR fault