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

Table 9

Comparison table of fault type database.

Serial number	Energy entropy	Range of energy entropy data in American Western Reserve rolling bearing database	Fault type judgment
1	0.0753	0.0425 ∼ 0.0823	Scratches on the outer ring
2	1.3175	1.3005 ∼ 1.3273	Inner circle scratches
3	1.2364	1.1540 ∼ 1.2756	Roller scratches
4	1.4434	1.3504 ∼ 1.4823	Shaft wear
5	0.6392	0.439 ∼ 1.1046	Ball wear