A Novel MPE-LPP-ELM Recognition Method for the Fault Diagnosis of Spiral Bevel Gears

Table 2

ELM diagnostic results and identification time.

Eigenvectors	Dimension	Diagnostic accuracy rate (%)			Time (s)
		Categories		Average
MPE-LPP	3	1	100	100	0.0023
		2	100
		3	100
		4	100
MPE-PCA	3	1	100	98.75	0.0033
		2	100
		3	95
		4	100
MPE	15	1	100	98.75	0.0078
		2	95
		3	100
		4	100