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高超声速飞行器迎角观测器及控制器设计

陈洁 周绍磊 宋召青

陈洁, 周绍磊, 宋召青等 . 高超声速飞行器迎角观测器及控制器设计[J]. 北京航空航天大学学报, 2011, 37(7): 827-832.
引用本文: 陈洁, 周绍磊, 宋召青等 . 高超声速飞行器迎角观测器及控制器设计[J]. 北京航空航天大学学报, 2011, 37(7): 827-832.
Chen Jie, Zhou Shaolei, Song Zhaoqinget al. Nonlinear modelling and open-loop dynamatics characteristics for one hypersonic aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(7): 827-832. (in Chinese)
Citation: Chen Jie, Zhou Shaolei, Song Zhaoqinget al. Nonlinear modelling and open-loop dynamatics characteristics for one hypersonic aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(7): 827-832. (in Chinese)

高超声速飞行器迎角观测器及控制器设计

基金项目: 国家自然科学基金资助项目(61004002;90716021)
详细信息
  • 中图分类号: TP 391.9

Nonlinear modelling and open-loop dynamatics characteristics for one hypersonic aircraft

  • 摘要: 针对高超声速飞行器非线性动力学系统中所特有的输出非线性、状态向量强耦合等特性,综合考虑了飞行中的不确定性、具有复杂非线性输出、状态向量不完全可测量等因素,提出一种基于Lyapunov法的滑模观测器和控制器设计方法,用于解决高超声速飞行器迎角观测器不能精确测量的问题.首先在观测器设计过程中,利用过载输出滑模面构造了Lyapunov函数,确定出观测器收敛的条件,并基于线性化理论求出观测器增益矩阵.然后在控制器设计过程中,采用基于动态面的自适应反演方法设计出控制律,用多层神经网络调节函数逼近系统中的高频未建模动态,设计鲁棒项函数解决了逼近误差的影响问题,并进行了稳定性分析和仿真验证.

     

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出版历程
  • 收稿日期:  2010-08-10
  • 网络出版日期:  2011-07-30

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