| 控制受限柔性航天器姿态机动内闭环成形控制 |
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| 引用本文： | 孔宪仁,杨正贤,董晓光,廖俊.控制受限柔性航天器姿态机动内闭环成形控制[J].宇航学报,2011,32(2). |
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| 作者姓名： | 孔宪仁 杨正贤 董晓光 廖俊 |
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| 作者单位： | 哈尔滨工业大学卫星技术研究所,哈尔滨,150080 |
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| 摘 要： | 针对柔性航天器带有执行机构饱和的姿态控制问题,提出了一种将反馈控制与内闭环信号成形相结合的控制方法.将成形器作用于系统内闭环回路中,通过人为引人控制延时达到抑制振动的目的,避免敏感器扰动、执行机构饱和等非线性影响控制器振动抑制效果.全物理实验结果表明,在反作用飞轮存在控制力矩饱和的情况下,该方法不仅使航天器快速地、平稳地完成高精度姿态机动,而且显著地减少了柔性结构的弹性振动,具有算法简单、易于在轨实时计算的优点.
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| 关 键 词： | 柔性航天器 控制受限 内闭环信号成形 振动抑制 全物理实验 |
Closed-Loop Signal Shaping Attitude Maneuvering Control for Flexible Spacecraft Subject to Actuator Saturation |
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| KONG Xian-ren,YANG Zheng-xian,DONG Xiao-guang,LIAO Jun.Closed-Loop Signal Shaping Attitude Maneuvering Control for Flexible Spacecraft Subject to Actuator Saturation[J].Journal of Astronautics,2011,32(2). |
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| Authors: | KONG Xian-ren YANG Zheng-xian DONG Xiao-guang LIAO Jun |
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| Institution: | KONG Xian-ren,YANG Zheng-xian,DONG Xiao-guang,LIAO Jun(Research Center of Satellite Technology,Harbin Institute of Technology,Harbin 150080,China) |
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| Abstract: | The problem of attitude maneuvering control of flexible spacecraft subject to actuator saturation is dealt with in this paper.To satisfy pointing requirement and simultaneously suppress vibration,a feedback controller combined with closed-loop signal shaping is designed.The closed-loop signal shaping partially delayed,is located within the feedback loop to reduce the residual vibration.This type of control architecture can be used advantageously to reject sensor disturbances and discontinuous nonlinearities... |
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| Keywords: | Flexible spacecraft Actuator saturation Closed-loop signal shaping Vibration suppression Physical experiment |
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