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非线性气动弹性系统反演自适应控制

刘送丹 李道春 向锦武

刘送丹, 李道春, 向锦武等 . 非线性气动弹性系统反演自适应控制[J]. 北京航空航天大学学报, 2015, 41(6): 1128-1134. doi: 10.13700/j.bh.1001-5965.2014.0423
引用本文: 刘送丹, 李道春, 向锦武等 . 非线性气动弹性系统反演自适应控制[J]. 北京航空航天大学学报, 2015, 41(6): 1128-1134. doi: 10.13700/j.bh.1001-5965.2014.0423
LIU Songdan, LI Daochun, XIANG Jinwuet al. Adaptive backstepping control of a nonlinear aeroelastic system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(6): 1128-1134. doi: 10.13700/j.bh.1001-5965.2014.0423(in Chinese)
Citation: LIU Songdan, LI Daochun, XIANG Jinwuet al. Adaptive backstepping control of a nonlinear aeroelastic system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(6): 1128-1134. doi: 10.13700/j.bh.1001-5965.2014.0423(in Chinese)

非线性气动弹性系统反演自适应控制

doi: 10.13700/j.bh.1001-5965.2014.0423
基金项目: 国家自然科学基金(91216102,11402014); 中央高校基本科研业务费专项资金(YWF-14-HKXY-026)
详细信息
    作者简介:

    刘送丹(1991—),女,湖南常德人,硕士研究生,lsdmm2012@163.com

    通讯作者:

    向锦武(1964—),男,湖南平江人,教授,xiangjw@buaa.edu.cn,主要研究方向为飞机总体设计、结构设计技术.

  • 中图分类号: V215.3

Adaptive backstepping control of a nonlinear aeroelastic system

  • 摘要: 针对双自由度二元机翼,利用准定常气动力建立了非线性气动弹性方程,并以状态空间形式描述.双控制面非线性气动弹性系统中前后缘控制量相互耦合,不能直接应用反演自适应控制方法,为了解决这一问题,新定义了两个等效控制器.考虑俯仰方向立方非线性参数未知,根据Lyapunov稳定性理论设计了反演自适应控制律.通过Runge-Kutta数值方法对气动弹性方程进行求解,验证了控制律的有效性.仿真结果表明:所设计的控制器能够使开环不稳定的气动弹性系统稳定至零点,双控制面的作用提高了颤振临界速度.考虑到实际控制面的偏转限制,研究了单控制面失效问题,结果显示单后缘控制面比单前缘控制面对系统控制更有效.

     

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出版历程
  • 收稿日期:  2014-07-17
  • 网络出版日期:  2015-06-20

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