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基于高增益观测器的航迹角自适应反步控制

陈伟 卢京潮 袁燎原 章卫国

陈伟, 卢京潮, 袁燎原, 等 . 基于高增益观测器的航迹角自适应反步控制[J]. 北京航空航天大学学报, 2013, 39(10): 1414-1420.
引用本文: 陈伟, 卢京潮, 袁燎原, 等 . 基于高增益观测器的航迹角自适应反步控制[J]. 北京航空航天大学学报, 2013, 39(10): 1414-1420.
Chen Wei, Lu Jingchao, Yuan Liaoyuan, et al. Adaptive backstepping control for flight path angle based on high gain observer[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(10): 1414-1420. (in Chinese)
Citation: Chen Wei, Lu Jingchao, Yuan Liaoyuan, et al. Adaptive backstepping control for flight path angle based on high gain observer[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(10): 1414-1420. (in Chinese)

基于高增益观测器的航迹角自适应反步控制

基金项目: 国家自然基金资助项目(60974146); 航空科学基金资助项目(20100753009)
详细信息
    作者简介:

    陈伟(1986-),男,湖北随州人,博士生,chenwei1298@mail.nwpu.edu.cn.

  • 中图分类号: TP273

Adaptive backstepping control for flight path angle based on high gain observer

  • 摘要: 针对飞行控制系统中状态向量不完全可测量的问题,设计了一种高增益神经网络自适应观测器.在常规高增益观测器的基础上引入径向基(RBF, Radial Basis Function)网络自适应项,对建模误差和外界干扰进行在线估计.将高增益观测器与基于动态面的反步控制相结合,提出了一种神经网络自适应反步控制方法.引入一阶滤波器,避免了传统反步控制中的"计算膨胀"问题.基于Lyapunov稳定性理论,给出自适应输出反馈控制器和RBF网络权值向量的自适应律,并证明了闭环系统是半全局一致有界.从航迹角控制系统仿真结果可以看出,航迹角能够较好地跟踪指令信号,不受建模误差和外界干扰的影响,所设计的观测器具有良好的收敛性,控制系统具有较高的鲁棒性.

     

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出版历程
  • 收稿日期:  2012-12-31
  • 网络出版日期:  2013-10-30

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