平面太阳帆的姿态与轨道耦合
Attitude and orbit coupling of planar helio-stable solar sails
摘要：
研究了太阳帆的姿态-轨道耦合动力学问题。帆的形状是一个简化的准菱形金字塔，提供了结构helio-stabilility属性。在无量纲化之后，系统被置于快-慢动力系统的形式中，其中不同的时间尺度与系统的物理参数显式相关。物体坐标系相对于惯性轨道坐标系的方位是一个可以平均的快速相位。这就产生了一个简化的公式，它只包括一个固定的姿态垂直于太阳光的方向的平帆扰动的轨道动力学。结果举例说明使用数值模拟。
英文摘要：
The coupled attitude and orbit dynamics of solar sails is studied. The shape of the sail is a simplified quasi-rhombic-pyramid that provides the structure helio-stablility properties. After adimensionalisation, the system is put in the form of a fast-slow dynamical system where the different time scales are explicitely related to the physical parameters of the system. The orientation of the body frame with respect to the inertial orbit frame is a fast phase that can be averaged out. This gives rise to a simplified formulation that only consists of the orbit dynamics perturbed by a flat sail with fixed attitude perpendicular to the direction of the sunlight. The results are exemplified using numerical simulations.
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