Quantitative Analysis of Broken Rotor Bars in Cage Motor Based on Energy Characteristics of Vibration Signals

Table 1

Comparison of the decomposition effects of EMD, EEMD, and CEEMD.

	No.	RMSE	MAE	NSE
EMD	1	0.04251	0.03330	0.99995
	2	0.03790	0.02887	0.99997
	3	0.04737	0.03955	0.99995
	4	0.04325	0.03504	0.99993
	5	0.06053	0.04897	0.99994
	Standard deviation	0.00862	0.00763	1.48E − 5
EEMD	1	0.37228	0.36575	0.99624
	2	0.40699	0.39852	0.99628
	3	0.81135	0.80659	0.98661
	4	0.29647	0.28544	0.99681
	5	1.48709	1.48375	0.96350
	Standard deviation	0.49619	0.498743	0.01428
CEEMD	1	0.01279	0.00944	1.0000
	2	0.01185	0.00907	1.0000
	3	0.01066	0.00822	1.0000
	4	0.01537	0.01112	0.9999
	5	0.01822	0.01275	0.9999
	Standard deviation	0.00302	0.00180	5.47E − 5