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[an error occurred while processing this directive]基于复合非线性反馈-自适应积分滑模的飞机主动侧杆随动控制
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邢皓斌(1999—),男,硕士研究生。E-mail: sx2303217@nuaa.edu.cn |
收稿日期: 2024-09-06
网络出版日期: 2025-03-12
基金资助
国家自然科学基金(61473144)
航天伺服驱动与传动技术实验室开放基金项目(LASAT-20210502)
Composite Nonlinear Feedback-adaptive Integral Sliding Mode-based Follow-up Control for Aircraft Active Sidesticks
Received date: 2024-09-06
Online published: 2025-03-12
主动侧杆是飞机飞行姿态调节的关键操纵装置。在飞机自动驾驶模式下,主动侧杆随动功能通过实时跟踪飞机的控制指令,增强飞行员对飞行状态的感知,从而有效提升飞行安全性。然而,系统中的未知干扰力矩会导致主动侧杆随动跟踪精度下降。为了解决这一难题,文中设计了一种基于复合非线性反馈-自适应积分滑模的主动侧杆随动控制方法,在复合非线性反馈控制算法基础上加入积分滑模控制算法。其中,复合非线性反馈控制能有效改善系统的稳态性,自适应积分滑模控制能有效抑制系统未知干扰。实验结果表明,所提出的改进飞机主动侧杆随动控制算法与传统复合非线性反馈控制算法相比,调节时间减小约41%,稳态误差减少了约93.6%。此外,在加入常值扭矩扰动下与传统PID算法相比,改进后的随动控制算法调节时间减少了约79%。改进后的主动侧杆随动控制算法显著提升了系统的控制精度和响应性能,并且具有良好的抗干扰能力。
邢皓斌 , 吴阳明 , 郑凯 , 王晓丽 , 欧阳权 , 王志胜 . 基于复合非线性反馈-自适应积分滑模的飞机主动侧杆随动控制[J]. 弹箭与制导学报, 2025 , 45(1) : 1 -7 . DOI: 10.15892/j.cnki.djzdxb.2025.01.001
The active sidestick is a crucial control device that can adjust the flight attitude of an aircraft. In the automatic flight mode, the active sidestick follow-up function tracks the control commands from the flight controller in real-time to enhance the pilot's perception of the aircraft's flight status, thereby effectively improving flight safety. However, unknown disturbance torques in the system can degrade the tracking accuracy of the active sidestick. To address this challenge, a control method based on composite nonlinear feedback and adaptive integral sliding mode is proposed for the follow-up control of the active sidestick. This method integrates an integral sliding mode control algorithm and the composite nonlinear feedback control algorithm, where the composite nonlinear feedback control effectively improves the steady-state performance of the active sidestick system, and the adaptive integral sliding mode control effectively restrains unknown system disturbances. Extensive experimental results show that the proposed improved active sidestick follow-up control algorithm can reduce the adjustment time by approximately 41% and the steady-state error by about 93.6% compared to the previous composite nonlinear feedback control algorithm. Furthermore, under disturbance conditions, the improved follow-up control algorithm can reduce the adjustment time by about 79% compared to the traditional PID algorithm. This demonstrates that the designed improved active sidestick follow-up control algorithm can significantly enhance the system's control accuracy and response performance, and possess excellent disturbance rejection capabilities.
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