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

Table 5

Energy distribution of the second category (rotating shaft, belt, and ball) example failure mode.

Serial number	Normal	Slightly worn shaft	Heavy shaft wear	Belt mild wear	Heavy belt wear	Slightly worn balls	Heavy ball wear
1	0.349	0.3209	0.2322	0.3179	0.251	0.2238	0.2199
2	0.1540	0.0894	0.0721	0.1318	0.120	0.143	0.134
3	0.4271	0.2109	0.203	0.2158	0.155	0.155	0.1009
4	0.1620	0.0679	0.0511	0.1351	0.1309	0.008	0.0061
5	0.0844	0.0510	0.0421	0.0542	0.0307	0.036	0.0309
6	0.2519	0.0929	0.0425	0.0730	0.055	0.0024	0.0014
7	0.105	0.0014	0.0008	0.0309	0.019	0.0009	0.0008