| 小卫星姿态大角度机动联合控制算法 |
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| 引用本文： | 孙兆伟,林晓辉,曹喜滨.小卫星姿态大角度机动联合控制算法[J].哈尔滨建筑大学学报,2003(6). |
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| 作者姓名： | 孙兆伟 林晓辉 曹喜滨 |
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| 作者单位： | 哈尔滨工业大学卫星工程技术研究所，哈尔滨工业大学卫星工程技术研究所，哈尔滨工业大学卫星工程技术研究所 黑龙江 哈尔滨 150001，黑龙江 哈尔滨 150001，黑龙江 哈尔滨 150001 |
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| 基金项目： | 高等学校骨干教师资助计划项目 |
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| 摘 要： | 由于星上能源需求、空间目标探测和地面目标跟踪定向的要求,小卫星必须具备姿态大角度机动能力。基于磁力矩器和反作用飞轮联合控制,提出了一种绕瞬时欧拉轴旋转的机动控制算法。该算法根据运动学原理规划姿态机动的时间最短轨迹设计控制器进行跟踪,以实现时间较短的姿态大角度机动控制。仿真结果表明,算法鲁棒性好,设计简单且易于在轨实时计算,显著减少了反作用飞轮在机动过程中的饱和机会。
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| 关 键 词： | 小卫星 姿态控制 大角度机动 最优控制 |
Combined control algorithm for large angle maneuver of small satellite |
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| SUN Zhao-wei,LIN Xiao-hui,CAO Xi-bin,Research Institute of Satellite Engineering and Technology,Harbin Institute of Technology,Harbin ,China.Combined control algorithm for large angle maneuver of small satellite[J].Journal of Harbin University of Civil Engineering and Architecture,2003(6). |
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| Authors: | SUN Zhao-wei LIN Xiao-hui CAO Xi-bin Research Institute of Satellite Engineering and Technology Harbin Institute of Technology Harbin China |
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| Affiliation: | SUN Zhao-wei,LIN Xiao-hui,CAO Xi-bin,Research Institute of Satellite Engineering and Technology,Harbin Institute of Technology,Harbin 150001,China |
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| Abstract: | Large angle maneuver is required for power supply, special object detection and ground object cap- ture on small satellite. From a combined control algorithm with magnetorquer and reaction wheel, an instanta- neous - turn - axis control algorithm is proposed for initial and final states of the maneuver. The optimal ma- neuver track is obtained to access short maneuver time with the limit of reaction wheel's saturation characteris- tic according to the kinematics and, a controller is then designed to approach it. Simulation results indicate that the control algorithm has the excellent robustness and can be easily designed and realized. |
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| Keywords: | small satellite attitude control large angle maneuver optimal control |
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