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

Table 2

Failure type database comparison table.

Numbering	Energy entropy	Range of energy entropy data in American Western Reserve rolling bearing database	Fault type judgment
1	0.06954	0.0425 ∼ 0.0823	Scratches on the outer ring
2	1.3072	1.3005 ∼ 1.3273	Inner circle scratches