航空学报 > 2018, Vol. 39 Issue (4): 321801-321801   doi: 10.7527/S1000-6893.2017.21801

输入受限的高超声速飞行器鲁棒反演控制

骆长鑫1, 张东洋2, 雷虎民2, 卜祥伟2, 叶继坤2   

  1. 1. 空军工程大学 研究生院, 西安 710051;
    2. 空军工程大学 防空反导学院, 西安 710051
  • 收稿日期:2017-10-16 修回日期:2017-12-29 出版日期:2018-04-15 发布日期:2017-12-29
  • 通讯作者: 骆长鑫,E-mail:1710794652@qq.com E-mail:1710794652@qq.com
  • 基金资助:
    国家自然科学基金(61703421);航空科学基金(20150096006)

Robust backstepping control of input-constrained hypersonic vehicle

LUO Changxin1, ZHANG Dongyang2, LEI Humin2, BU Xiangwei2, YE Jikun2   

  1. 1. College of Graduate, Air Force Engineering University, Xi'an 710051, China;
    2. College of Air and Missile Defense, Air Force Engineering University, Xi'an 710051, China
  • Received:2017-10-16 Revised:2017-12-29 Online:2018-04-15 Published:2017-12-29
  • Supported by:
    National Natural Science Foundation of China (61703421); Aeronautical Science Foundation of China (20150096006)

摘要: 针对存在参数摄动的吸气式高超声速飞行器(AHV)弹性体模型,考虑执行机构幅值和速率受限问题,提出了一种基于辅助误差补偿策略的鲁棒反演控制方法。采用改进的辅助系统,保证了执行机构在幅值与速率同时达到饱和时闭环控制系统的稳定性和跟踪误差的有界性;采用有限时间收敛微分器(FD),实现了对虚拟指令及其一阶导数的有效估计,并在此基础上,设计非线性干扰观测器(NDO),对模型不确定项进行了平滑估计,进一步提高了控制精度。通过仿真,验证了所设计控制方法的有效性。

关键词: 高超声速飞行器, 鲁棒反演控制, 辅助误差补偿, 有限时间收敛微分器, 非线性干扰观测器

Abstract: A robust backstepping control method based on auxiliary error compensation is proposed to solve the problem of amplitude and rate limitation of the actuator of the flexible Air-breathing Hypersonic Vehicle (AHV) model with parameter perturbation. The improved auxiliary system is used to ensure the stability of the closed-loop system and the boundedness of the tracking error when the amplitude and rate are constrained at the same time. The Finite-time-convergent Differentiator (FD) is used to realize effective estimation of the virtual instruction and its first derivative, and then a Nonlinear Disturbance Observer(NDO) is designed. The uncertainties of the model are estimated smoothly to further improve the control precision. The effectiveness of the proposed control method is verified by simulation.

Key words: hypersonic vehicle, robust backstepping control, auxiliary error compensation, finite-time-convergent differentiator, nonlinear disturbance observer

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