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

Table 6

The energy entropy distribution of the second category failure mode (rotation shaft, belt, and ball).

Serial number	Normal	Slightly worn shaft	Heavy shaft wear	Belt mild wear	Heavy belt wear	Slightly worn balls	Heavy ball wear
Energy entropy	1.7125	1.4300	1.3502	1.2373	1.1400	1.0045	0.5238