| 输入受限卫星姿态的鲁棒非线性镇定与跟踪控制 |
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| 引用本文： | 孙亮,霍伟.输入受限卫星姿态的鲁棒非线性镇定与跟踪控制[J].空间控制技术与应用,2011,37(4):24-30. |
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| 作者姓名： | 孙亮 霍伟 |
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| 作者单位： | 北京航空航天大学第七研究室,控制一体化技术国家级科技重点实验室,北京,100191 |
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| 基金项目： | 空间智能控制技术重点实验室项目; 北京市教育委员会共建重点学科项目专项资助 |
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| 摘 要： | 研究控制输入受限的卫星在存在外部干扰和转动惯量不确定性时的姿态镇定和姿态跟踪控制问题，利用双曲正切函数的性质分别设计了两种有界鲁棒非线性反馈控制律，并用李雅普诺夫方法证明：通过适当选择两种控制律中的参数，可保证闭环系统角速度误差渐近趋于零，且姿态误差收敛到事先给定的原点小邻域内．仿真结果表明利用所设计的控制律可在控制输入受限情况下有效抑制外部干扰和转动惯量不确定性的影响，达到预期控制目标．
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| 关 键 词： | 卫星姿态镇定 卫星姿态跟踪 控制受限 鲁棒非线性控制 双曲正切函数 |
Satellite Attitude Robust Nonlinear Stabilization and Tracking Control with Constrained Inputs |
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| SUN Liang,HUO Wei.Satellite Attitude Robust Nonlinear Stabilization and Tracking Control with Constrained Inputs[J].Aerospace Contrd and Application,2011,37(4):24-30. |
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| Authors: | SUN Liang HUO Wei |
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| Institution: | SUN Liang,HUO Wei(The Seventh Research Division,National Key Laboratory of Science and Technology on Holistic Control,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | In the presence of inertia uncertainties,external disturbances and constrained control inputs,the problems of satellite attitude stabilization and tracking control are investigated in this paper.Two bounded robust nonlinear control laws are established based on properties of the hyperbolic tangent function.By using the Lyapunov's stability theory and choosing controller parameters properly,it is proved that in the two closed-loop systems angular velocity errors tend to be zero asymptotically and attitude er... |
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| Keywords: | satellite attitude stabilization satellite attitude tracking constrained inputs robust nonlinear control hyperbolic tangent function |
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