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

Table 4

The energy entropy value distribution of the first category 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
Energy entropy	1.4354	1.2403	1.2243	1.3373	1.3099	1.2074	1.1739