Fault Diagnosis for Hydraulic Servo System Using Compressed Random Subspace Based ReliefF

Table 5

Fault diagnosis results with different combinations of features.

Feature combination	Fault diagnosis accuracy of the 10-fold cross validation method (%)
	94.62	95.17	94.29	94.40	93.81	94.11	93.54	95.12	95.01	93.98
	94.48	93.61	93.01	93.77	94.15	95.25	93.99	94.58	94.62	93.71
	92.04	93.62	93.11	93.25	91.37	94.54	93.27	92.32	93.29	93.41
	93.02	93.57	92.15	92.89	92.46	94.19	93.32	93.55	92.53	92.77
KPCA1~KPCA4	93.08	93.78	93.07	93.57	92.17	93.04	92.80	92.42	93.48	93.36
LLE1~LLE4	94.10	93.59	94.51	94.22	93.98	94.10	93.99	93.44	93.98	94.78
F1 ~F9	92.67	91.80	93.54	92.47	92.11	93.64	92.97	93.62	94.01	93.00