A novel vibration indicator to monitor gear natural fatigue pitting propagation
- Publisher:
- SAGE PUBLICATIONS LTD
- Publication Type:
- Journal Article
- Citation:
- Structural Health Monitoring, 2023, 22, (5), pp. 3126-3140
- Issue Date:
- 2023-09-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| feng-et-al-2023-a-novel-vibration-indicator-to-monitor-gear-natural-fatigue-pitting-propagation.pdf | Accepted version | 5.42 MB |
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Fatigue pitting can reduce the gear surface durability and induce other severe failures, which will eventually lead to the complete loss of transmission function of the transmission system. Thus, monitoring fatigue pitting progression is vital to avoid unexpected economic losses and incidents. Thanks to the unique characteristics of the gear meshing process, there is a close relationship between the tribological features of fatigue pitting and gear vibration cyclostationarity. Based on the vibration cyclostationarity, this paper develops a novel second-order cyclostationary (CS2) fatigue pitting monitoring indicator, which can accurately assess the degradation status of the gear system and benefit subsequent health management. The advantage of the developed cyclostationary indicator in evaluating and monitoring the process of fatigue pitting propagation is demonstrated with the natural fatigue pitting progression test, through comparisons with other conventional indicators.
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