Aero Engine Fault Diagnosis Using an Optimized Extreme Learning Machine

Table 6

Mean classification accuracy of operating point A condition.

Method	Fault classes
	C1	C2	C3	C4	C5	C6	C7	C8
Q-ELM	93.33	93.55	91.75	90.45	90.05	88.56	85.26	84.95
P-ELM	90.48	93.61	92.32	89.23	90.44	87.73	83.05	82.60
G-ELM	92.35	93.04	90.17	89.36	88.24	88.03	84.69	83.50
ELM	89.09	87.56	87.52	86.90	85.27	84.42	81.16	78.33
SVM	89.03	88.67	84.96	85.15	85.68	85.02	80.54	79.63
BP	87.29	86.45	82.37	83.63	80.57	78.69	72.20	73.24