Research Article

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

Table 2

Identification results of 1st dataset based on LCD-SVD and CRO-SVM method.

Test samplesFault feature vectorLCD-SVD-CRO-SVM1LCD-SVD-CRO-SVM2Identification results

IR fault240.6389.3048.2834.7128.26(+1)IR fault
IR fault302.6684.4155.6344.0547.09(+1)IR fault
OR fault90.8925.8718.1613.799.37(−1)(+1)OR fault
OR fault72.7955.6145.8423.4119.05(−1)(+1)OR fault
Normal55.0125.3718.0314.1613.85(−1)(−1)Normal
Normal58.2827.4120.7114.7010.53(−1)(−1)Normal