Aero Engine Fault Diagnosis Using an Optimized Extreme Learning Machine

Table 9

Mean classification accuracy of operating point A condition.

Method	Fault classes
	C1	C2	C3	C4	C5	C6	C7	C8
Q-ELM	92.0857	91.8108	91.0178	90.0239	88.8211	86.3334	83.0490	81.7370
P-ELM	90.0024	90.8502	91.1142	88.1223	86.7068	85.2295	80.5144	80.1667
G-ELM	89.0763	91.0038	87.7888	88.2232	85.4190	83.9324	79.6553	78.3395
ELM	85.8684	84.8761	83.4979	82.3035	81.6548	78.2046	76.1726	74.7309
SVM	83.9047	85.8948	84.4922	83.2766	81.1377	74.6795	74.5938	74.1796
BP	83.2354	82.2824	80.9588	79.8117	72.3411	71.9088	70.9969	68.4934