Gearbox Fault Diagnosis Using Complementary Ensemble Empirical Mode Decomposition and Permutation Entropy

Table 3

Fault diagnosis using improved approach based on CEEMD and PE.

Fault type	Test sample	Classification results			Classification; rate [%]	Overall classification; rate [%]
		Normal condition	Minor fault condition	Serious fault condition
Normal condition	20	20	0	0	100
Light fault condition	20	1	18	1	90	95
Severe fault condition	20	0	1	19	95