Research Article
Diagnosis of Localized Faults in Multistage Gearboxes: A Vibrational Approach by Means of Automatic EMD-Based Algorithm
Table 2
CIs for the simulated signal with localized fault in gear II.
| | | Kurtosis | CF | CPF | NSVP |
| EMD | Gear II (faulty) | 2.395 | 4.017 | 1.854 | 0.310 | Gear III (healthy) | 2.742 | 2.673 | 1.083 | 0.0796 | Gear II versus gear III [%] | −12.671 | 50.269 | 71.244 | 291.452 |
| EEMD | Gear II (faulty) | 2.484 | 4.494 | 1.872 | 0.173 | Gear III (healthy) | 2.165 | 2.014 | 1.036 | 0.022 | Gear II versus gear III [%] | 14.713 | 123.180 | 80.722 | 667.777 |
| CEEMDAN | Gear II (faulty) | 2.340 | 4.284 | 1.857 | 0.205 | Gear III (healthy) | 2.177 | 1.992 | 1.027 | 0.016 | Gear II versus gear III [%] | 7.487 | 115.058 | 80.777 | 1156.891 |
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