Aero Engine Fault Diagnosis Using an Optimized Extreme Learning Machine

Table 11

Mean training time on training data.

	Q-ELM	G-ELM	P-ELM	ELM	SVM	BP
Condition A	17.40	21.26	18.75	0.0094	0.126	2.35
Condition B	18.79	20.55	19.06	0.0077	0.160	2.47