Bearing Fault Vibration Signal Feature Extraction and Recognition Method Based on EEMD Superresolution Sparse Decomposition

Table 3

Energy distribution of the first category example failure mode (inner ring, outer ring, and roller).

Serial number	Normal	Outer ring 4 scratches	Outer ring 6 scratches	Inner circle 4 scratches	Inner circle 6 scratches	Roller 4 scratches	Roller 6 scratches
1	0.253	0.4938	0.1123	0.5697	0.102	0.4240	0.3940
2	0.0432	0.1193	0.1980	0.196	0.381	0.103	0.1044
3	0.3288	0.315	0.277	0.277	0.377	0.215	0.2161
4	0.0724	0.012	0.2749	0.2751	0.0750	0.012	0.0421
5	0.0478	0.060	0.2081	0.207	0.0206	0.060	0.0309
6	0.1483	0.122	0.0856	0.0851	0.0087	0.0037	0.0015
7	0.017	0.0024	0.367	0.366	0.0321	0.0012	0.0041