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An iterative numerical approach to evaluate the variable friction coefficient of steel AMS5643 using ring compression tests (2023)
Journal Article
Hatherell, J., Marmier, A., Dennis, G., Curry, W., Denis, G., & Matthews, J. (2024). An iterative numerical approach to evaluate the variable friction coefficient of steel AMS5643 using ring compression tests. Tribology Transactions, 67(1), 15-21. https://doi.org/10.1080/10402004.2023.2284347

The coefficient of friction is an important variable that must be defined to allow the accurate prediction of the forming geometry and stresses involved in metal forming processes. Literature reports have shown that the coefficient of friction does n... Read More about An iterative numerical approach to evaluate the variable friction coefficient of steel AMS5643 using ring compression tests.

Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances (2023)
Journal Article
Li, R., Lei, C., Shi, B., Zhu, Q., & Yue, X. (in press). Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances. Journal of Vibration and Control, https://doi.org/10.1177/10775463231212530

The modelling uncertainties, external disturbance and actuator saturation issues will degrade the performance and even the safety of flight. To improve control performance, this study proposes an adaptive U-model based double sliding control (UDSMC)... Read More about Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances.