Research Article
A Composite Method of Marine Shafting’s Fault Diagnosis by Ship Hull Vibrations Based on EEMD
Table 1
Main datum of EEAF method and designated signal.
| Parameters | SN | 1 | 2 | 3 | 4 | 5 |
| Setting frequency | 100 Hz | 50 Hz | 30 Hz | 15 Hz | 5Hz | Extracting frequency | 100 Hz | 50 Hz | 30 Hz | 15 Hz | 5Hz | Error | 0 | 0 | 0 | 0 | 0 | Setting amplitude | 0.6 | 1 | 0.8 | 0.6 | 0.6 | Extracting amplitude | 0.6162 | 0.986 | 0.7856 | 0.5932 | 0.5829 | Error | 2.7% | 1.4% | 1.8% | 1.133% | 2.85% |
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