Aero Engine Fault Diagnosis Using an Optimized Extreme Learning Machine

Table 8

Mean training time on training data.

	Q-ELM	G-ELM	P-ELM	ELM	SVM	BP
Condition A	19.54	23.08	20.77	0.0113	0.147	2.96
Condition B	20.23	23.54	21.83	0.0108	0.179	3.13