A Rolling Bearing Fault Diagnosis Method Based on EMD and Quantile Permutation Entropy

Table 1

Accuracy rate comparison of three algorithms.

Fault diagnosis method	NORM	IRF	REF	ORF	Accuracy (%)
PE-SVM	40	39	35	21	84.375
PE-PSOSVM	40	37	38	25	87.5
EMD-PE-SVM	40	38	40	34	95
EMD-PE-PSOSVM	40	39	40	36	96.875
EMD-SQPE-SVM	40	40	40	38	98.75
EMD-SQPE-PSOSVM	40	40	40	40	100