A Fault Diagnosis Method of Rolling Bearing Integrated with Cooperative Energy Feature Extraction and Improved Least-Squares Support Vector Machine

Table 2

Fault diagnosis accuracy under different kernel functions.

Different kernel functions	Training accuracy	Test accuracy	Statistical accuracy (%)
Primal	100	98.4	98.7
Linear	99.8	97.6	98
RBF	100	99.6	99
SAM	99.6	96.8	97.6