Research Article

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

Table 7

The energy distribution of the third category example failure mode (drive end, fan, and gear).

Serial numberNormalShallow crack on the drive endDeep crack at the drive endGear shallow crackGear deep crackFan shallow crackFan deep crack

10.3120.26380.21230.15000.1020.30390.2839
20.263930.21930.19810.13780.1120.1030.0799
30.423890.38200.3070.12760.10070.2150.1619
40.13250.11190.07500.08510.07490.01190.0721
50.06790.04080.02810.06070.04070.06090.0309
60.17630.14280.11550.03510.02830.00380.0014
70.0270.0140.00890.01660.00500.00110.0041