Table 3.

The classified result of aero-engine rotor test data.

Operating Condition	Accuracy (%)
	SVM	RWSVM
	$\text{RBF}\left(\begin{array}{l}c=100\hfill \\ \sigma =5\hfill \end{array}\right)$	$\text{Haar}\left(\begin{array}{l}{j}_{max}=6\hfill \\ j_{min}=-6\hfill \end{array}\right)$	$\text{Daubechies}\left(\begin{array}{l}{j}_{max}=4\hfill \\ j_{min}=-4\hfill \end{array}\right)$	$\text{Coiflet}\left(\begin{array}{l}{j}_{max}=2\hfill \\ j_{min}=-2\hfill \end{array}\right)$
Normal state	95	100	100	100
Pitting fault	90	90	95	100
Spalling fault	90	90	95	100
Eccentric fault	90	95	100	95
Average accuracy (%)	91.25	95	97.5	98.75