Abstract
This paper investigates the state-tracking control problem in conversion mode of a tilt-rotor aircraft with a switching modeling method and a smooth interpolation technique. Based on the nonlinear model of the conversion mode, a switched linear model is developed by using the Jacobian linearization method and designing the switching signal based on the mast angle. Furthermore, an ℋ∞ state-tracking control scheme is designed to deal with the conversion mode control issue. Moreover, instead of limiting the amplitude of control inputs, a smooth interpolation method is developed to create bumpless performance. Finally, the XV-15 tilt-rotor aircraft is chosen as a prototype to illustrate the effectiveness of this developed control method.
摘要
本文使用切换建模和光滑插值技术, 研究倾转旋翼机过渡模式的状态跟踪控制问题. 基于过渡模式的非线性动力学模型, 采用Jacobi线性化方法, 并根据倾转角设计切换信号, 建立线性切换系统模型. 在此基础上, 设计H∞状态跟踪控制方案解决过渡模式的控制问题. 该方法不直接限制控制输入的幅值, 而采用改进的光滑插值方法实现无扰切换. 最后, 以XV-15倾转旋翼机为例, 验证该控制方案的有效性.
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Data availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Contributions
Shuang SHI designed the research. Kebi LUO processed the data and drafted the paper. Shuang SHI helped organize the paper. Cong PENG revised and finalized the paper.
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Kebi LUO, Shuang SHI, and Cong PENG declare that they have no conflict of interest.
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Project supported by the National Natural Science Foundation of China (Nos. 62103186 and 62122038), the Natural Science Foundation of Jiangsu Province, China (Nos. BK20210285 and BK20211565), and the China Postdoctoral Science Foundation (Nos. 2021TQ0151 and 2021M691571)
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Luo, K., Shi, S. & Peng, C. Smooth tracking control for conversion mode of a tilt-rotor aircraft with switching modeling. Front Inform Technol Electron Eng 24, 1591–1600 (2023). https://doi.org/10.1631/FITEE.2300266
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DOI: https://doi.org/10.1631/FITEE.2300266
Key words
- Tilt-rotor aircraft
- State-tracking control
- Switched linear systems
- Time-scheduled multiple Lyapunov function approach
- Smooth interpolation