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| Content Provider | IET Digital Library |
|---|---|
| Author | Ren, Bin Li, Siwen Yang, Shaopu Song, Wentao Jiao, Yonggang |
| Abstract | Many key parts of mechanical equipment gradually enter failure period with service, and failures happen in some of them, it will lead to serious consequences with economic loss and crash of machine and death of human if weak failures cannot be identified in time, which might degrade to major failure. It would be of benefit to prevent the fault deterioration if faults could be identified in early period, with the states of key parts obtained. Locomotive gear was chosen as the research object here, a method of inhibition mode mixing and characteristic frequency acquisition based on dynamic cascade empirical mode decomposition is put forward for the weakness and aliasing out of uncertain factors. The fault features are much more obviously presented in different time scale by optimal intrinsic mode function (IMF) acquisition and the improvement of envelope solution method. The results of experiment show that weak faults can be obtained under much noise, and an effective method is provided for early fault prognosis and diagnosis. |
| Starting Page | 8572 |
| Ending Page | 8576 |
| Page Count | 5 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 23, Dec (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2019/23 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.9058 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2019-03-25 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | Characteristic Frequency Acquisition Crash Different Time Scale Dynamic Cascade Empirical Mode Decomposition Early Fault Prognosis Early Period Early Weak Information Economic Loss Envelope Solution Method Failure Period Fault Deterioration Fault Diagnosis Fault Feature Feature Extraction Gears Inhibition Mode Mixing Locomotive Gear Locomotive Traction System Locomotives Maintenance And Reliability Mechanical Component Mechanical Equipment Optimal Intrinsic Mode Function Acquisition Prediction Method Signal Processing And Detection Statistics Uncertain Factors Weak Failure Weak Fault |
| Content Type | Text |
| Resource Type | Article |
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