Fault Diagnosis of Hydraulic Pumps Using PSO-VMD and Refined Composite Multiscale Fluctuation Dispersion Entropy

Table 6

The accuracy of different methods.

Different methods	Classification accuracy (%)			CPU time (s)
	Max	Min	Mean
PSO-VMD and RCMFDE	100	100	100	204.01
PSO-VMD and CMFDE	100	98.75	99.78	205.88
PSO-VMD and MFDE	100	91.25	96.75	39.12
PSO-VMD and MDE	98.75	92.50	96.58	39.29
PSO-VMD and MFE	98.75	92.50	95.73	843.11
PSO-VMD and MSE	97.5	87.5	93.63	453.50