Feng, Ke, Ji, JC, Zhang, Yongchao, Ni, Qing, Liu, Zheng and Beer, Michael 
ORCID: 0000-0002-0611-0345
(2023)
Digital twin-driven intelligent assessment of gear surface degradation.
Mechanical Systems and Signal Processing, 186.
p. 109896.
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mssp digital twin manuscript.pdf - Author Accepted Manuscript Download (3MB) | Preview |
Abstract
Gearbox has a compact structure, a stable transmission capability, and a high transmission efficiency. Thus, it is widely applied as a power transmission system in various applications, such as wind turbines, industrial machinery, aircraft, space vehicles, and land vehicles. The gearbox usually operates in harsh and non-stationary working environments, expediting the degradation process of the gear surface. The degradation process may lead to severe gear failures, such as tooth breakage and root crack, which could damage the gear transmission system. Therefore, it is essential to assess the progression of gear surface degradation in order to ensure a reliable operation. The digital twin is an emerging technology for machine health management. A high-fidelity digital twin model can help reflect the operation status of the gearbox and reveal the corresponding degradation mechanism, which could benefit the remaining useful life (RUL) prediction and the predictive maintenance-based decision-making framework. This paper develops a digital twin-driven intelligent health management method to monitor and assess the gear surface degradation progression. The developed method can effectively reveal the gear wear propagation characteristics and predict the RUL accurately. Furthermore, the knowledge learned from digital twin models can be well transferred to the surface wear assessment of the physical gearbox in wide industrial applications, which is of great practical significance. Two endurance tests with different dominant degradation mechanisms were conducted to validate the effectiveness of the proposed methodology for gear wear assessment.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Gearbox, Digital twin, Surface degradation, Health management, Wear assessment |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 21 Nov 2022 09:15 |
| Last Modified: | 03 Nov 2023 02:30 |
| DOI: | 10.1016/j.ymssp.2022.109896 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3166288 |
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