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Asymptotic study of a complete magnetic attitude control cycle providing a single-axis orientation

机译:提供单轴定向的完整磁性姿态控制循环的渐近研究

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摘要

The angular motion of an axisymmetrical satellite equipped with the active magnetic attitude control system is examined. Attitude control system has to ensure necessary orientation of the axis of symmetry in the inertial space. It implements the following strategy: coarse reorientation of the axis of symmetry with nutation damping or "-Bdot" without initial detumbling; spinning-up about the axis of symmetry to achieve the property of a gyro; fine reorientation of the axis in the inertial space. Dynamics of the satellite is analytically studied using averaging technique on the complete control loop consisting of five algorithms. Solutions of the equations of motion are obtained in terms of quadratures for most cases or even in closed-form. The latter allowed to study the dependence of motion parameters including time-response with respect to the orbit inclination and other parameters for all algorithms.
机译:检查了装有主动磁姿态控制系统的轴对称卫星的角运动。姿态控制系统必须确保惯性空间中对称轴的必要方向。它执行以下策略:在没有初始衰减的情况下,通过章动阻尼或“ -Bdot”粗略调整对称轴的方向;绕对称轴旋转以实现陀螺仪的特性;轴在惯性空间中的精确重新定向。使用均值技术对由五种算法组成的完整控制回路进行了动力学分析研究。在大多数情况下,甚至在闭合形式下,都可以通过正交来获得运动方程的解。后者允许研究运动参数的依赖性,包括所有轨道算法相对于轨道倾角的时间响应以及其他参数。

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