Association Rule-Based Feature Mining for Automated Fault Diagnosis of Rolling Bearing

Table 8

Performance comparison of fault classification with different feature selection schemes.

Classifier	SVM			BP
Typical defects	Inner race faults	Outer race faults	Rolling element faults	Inner race faults	Outer race faults	Rolling element faults
PCA	90	92.67	88.67	64.6	67.3	66.9
KPCA	72.67	71.44	66.2	56.4	58.5	52.67
LLE	69	64.8	67.1	29.92	33.4	32.52
Representative features	94.33	96.71	96	68.87	72.67	66.67