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超低空空投拉平阶段混合迭代滑模控制

刘日 孙秀霞 董文瀚

刘日, 孙秀霞, 董文瀚等 . 超低空空投拉平阶段混合迭代滑模控制[J]. 北京航空航天大学学报, 2015, 41(1): 83-89. doi: 10.13700/j.bh.1001-5965.2014.0020
引用本文: 刘日, 孙秀霞, 董文瀚等 . 超低空空投拉平阶段混合迭代滑模控制[J]. 北京航空航天大学学报, 2015, 41(1): 83-89. doi: 10.13700/j.bh.1001-5965.2014.0020
LIU Ri, SUN Xiuxia, DONG Wenhanet al. Hybrid iteration sliding mode control for ultra-low altitude airdrop level off[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 83-89. doi: 10.13700/j.bh.1001-5965.2014.0020(in Chinese)
Citation: LIU Ri, SUN Xiuxia, DONG Wenhanet al. Hybrid iteration sliding mode control for ultra-low altitude airdrop level off[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 83-89. doi: 10.13700/j.bh.1001-5965.2014.0020(in Chinese)

超低空空投拉平阶段混合迭代滑模控制

doi: 10.13700/j.bh.1001-5965.2014.0020
基金项目: 国家自然科学基金资助项目(60904038);航空科学基金资助项目(20141396012,20121396008)
详细信息
    作者简介:

    刘日(1988-),男,吉林长春人,博士生,lr_taiyang@126.com.

    通讯作者:

    孙秀霞(1962-),女,山东潍坊人,教授,gcxysxx@126.com,主要研究方向为现代鲁棒控制、飞行控制.

  • 中图分类号: V249.1

Hybrid iteration sliding mode control for ultra-low altitude airdrop level off

  • 摘要: 针对超低空空投拉平阶段地面效应、传感器测量误差以及低空气流等不确定性因素干扰轨迹精确跟踪,威胁载机的安全性和任务完成性等问题,设计了二级混合迭代滑模变结构飞行控制律.第1级滑模采用全局动态切换函数,消除了滑模运动的到达阶段,保证了系统在响应全程的鲁棒性;第2级滑模采用非线性积分切换函数,将积分项产生的超调转移到第1级滑模,保证轨迹跟踪精度的同时改善了动态性能.应用Lyapunov稳定性理论和Barbalat引理证明了该飞行控制律能完全抑制常值的模型摄动和外界扰动,可以控制动态模型摄动和外界干扰下稳态误差的上界.仿真验证了所提控制方法的良好跟踪性能和强鲁棒性.

     

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出版历程
  • 收稿日期:  2014-01-14
  • 刊出日期:  2015-01-20

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