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间隙非线性气动弹性颤振控制

李道春 向锦武

李道春, 向锦武. 间隙非线性气动弹性颤振控制[J]. 北京航空航天大学学报, 2007, 33(06): 640-643.
引用本文: 李道春, 向锦武. 间隙非线性气动弹性颤振控制[J]. 北京航空航天大学学报, 2007, 33(06): 640-643.
Li Daochun, Xiang Jinwu. Flutter control of aeroelasticity with freeplay nonlinearity[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(06): 640-643. (in Chinese)
Citation: Li Daochun, Xiang Jinwu. Flutter control of aeroelasticity with freeplay nonlinearity[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(06): 640-643. (in Chinese)

间隙非线性气动弹性颤振控制

基金项目: 国家自然科学基金资助项目(10272012);教育部新世纪优秀人才基金资助项目(NCET-04-0169)
详细信息
    作者简介:

    李道春(1980-),男,山东梁山人,博士生,lidc@ase.buaa.edu.cn.

  • 中图分类号: V 215.3

Flutter control of aeroelasticity with freeplay nonlinearity

  • 摘要: 研究了亚音速不可压来流中二元机翼气动弹性颤振主动控制问题.采用Theodorsen准定常气动力建立俯仰方向含有间隙非线性的气动弹性动态方程,然后基于状态依赖Riccati方程推导了非线性颤振控制律.假设只有俯仰角位移和控制面偏转位移可以直接测量,状态空间中的其它变量通过所设计的状态观测器进行了估计.仿真结果显示,观测器可以快速准确地对非直接测量变量进行估计,系统状态变量与控制变量都能够迅速地收敛于零点,表明所设计的控制律可以有效地实现对间隙非线性二元机翼颤振的抑制.

     

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出版历程
  • 收稿日期:  2006-08-03
  • 网络出版日期:  2007-06-30

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