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中文摘要：
针对某些航天任务在小卫星机动过程中需要保持编队构型,提出了利用虚拟结构解决三星编队机动控制问题。建立了虚拟结构坐标系,在机动过程中,三颗卫星视为一个虚拟刚体,保持编队构型。设计了虚拟结构的动力学和运动学控制器。动力学控制器包含编队队形反馈,实现对编队速度的控制。针对外加干扰,设计了姿态变结构控制器,利用李雅普诺夫方法证明了系统的稳定性。对三星编队机动进行仿真,实现了编队构型的保持,验证了方法的有效性。
英文摘要：
For certain space tasks which need to keep the formation during the maneuvers,the problem of three satellites formation control is solved using virtual structure.A virtual structure frame is presented.Three satellites are treated as a virtual rigid body during the maneuvers.The dynamics and kinematics controllers are designed.Dynamics controller with formation feedback realizes the control of formation velocity.An attitude sliding mode controller is presented with external interference.System stability is proved using the Lyapunov stability theorem and a numerical simulation is performed to verify the effectiveness of the method.
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