Research Article

A Roller Bearing Fault Diagnosis Method Based on LCD Energy Entropy and ACROA-SVM

Table 4

The identification result of THYROID data set.

MethodTraining samplesTest samples Cost time (s)Test error (%)

ACROA-SVM116253214.094.91187.517.55
ACROA-SVM214243226.971.0691.8144.65
GA-SVM116253245.622.981239.7211.33
GA-SVM214243224.772.62407.339.3
PSO-SVM116253248.733.011189.8311.33
PSO-SVM214243226.182.75397.259.3
SVM1162532001/18.87
SVM2142432001/18.61