| 基于L2增益稳定的航天器鲁棒姿态控制 |
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| 引用本文： | 李传江,马广富.基于L2增益稳定的航天器鲁棒姿态控制[J].哈尔滨工业大学学报,2007,39(5):712-715,720. |
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| 作者姓名： | 李传江 马广富 |
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| 作者单位： | 哈尔滨工业大学控制科学与工程系,哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金资助项目(60674101);;博士点基金资助项目(20050213010) |
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| 摘 要： | 研究了有界干扰输入下的航天器姿态调节控制问题,设计了鲁棒姿态控制算法,使得从干扰力矩输入到系统某一指定的性能输出的L2增益小于任意给定的正常数,从而实现了对干扰力矩的抑制.避开了直接求解使闭环系统L2增益小于给定值的某个相应的Hamilton-Jacobi-Isaacs偏微分方程或不等式的困难.通过选取恰当的Lyapunov函数,分析证明了前述L2增益是小于任意给定的正值,保证了闭环系统的状态轨迹在有界干扰作用下是全局最终一致有界的.仿真结果验证了所提出的鲁棒控制方案的有效性.
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| 关 键 词： | 姿态调节 L2增益 Lyapunov方法 全局最终一致有界稳定 |
| 文章编号： | 0367-6234（2007）05-0712-04 |
| 修稿时间： | 2007-03-12 |
Spacecraft robust attitude control design based on L2-gain stabilization |
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| LI Chuan-jiang,MA Guang-fu.Spacecraft robust attitude control design based on L2-gain stabilization[J].Journal of Harbin Institute of Technology,2007,39(5):712-715,720. |
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| Authors: | LI Chuan-jiang MA Guang-fu |
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| Affiliation: | Dept.of Control Science and Engineering;Harbin Institute of Technology;Harbin 150001 |
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| Abstract: | We address the problem of spacecraft attitude regulation by taking bounded disturbances into account.A robust attitude control algorithm is proposed,which enables the L2-gain from disturbance input to some prescribed performance output less than any given positive constant,and therefore,achieves disturbance rejection.In general,to make the L2-gain less than some given level,a corresponding Hamilton-Jacobi-Isaacs Partial Differential Equation(HJIPDE) or Inequality(HJIPDI) should be solved.However,to find the... |
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| Keywords: | attitude regulation L_2-gain Lyapunov technique GUUB |
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