Fault Diagnosis of Rotating Machinery Based on Multisensor Information Fusion Using SVM and Time-Domain Features

Table 5

Diagnostic results of rolling bearing by using different single sensors.

Sensor	The best parameter		Diagnostic accuracy (%)
	𝐶	𝑔	Normal	Inner race defect	Outer race defect	Ball defect	All testing samples
t 1	2^14.5	2^−1.5	85.56	88.89	100	98.89	93.33
t 2	2^11	2^5.5	58.89	58.89	100	100	79.44
t 3	2^3.5	2^4	96.67	78.89	100	98.89	93.67
t 4	2^14.5	2^0.5	100	85.56	83.33	98.89	91.94
t 5	2^2	2^7.5	100	96.67	100	100	99.17
t 6	2^2	2^7.5	97.7	96.67	100	91.11	96.39
t 7	2^11	2^3.5	98.89	90	100	88.89	94.44
t 8	2^10	2^−1.5	61.11	51.11	53.33	87.78	63.33