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Quaternion frames and fractal surface as tools to control orientation of a spacecraft

机译:四元数框架和分形表面作为控制航天器方向的工具

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摘要

Reorientation of an object's (spacecraft) problem is formulated in details in the SO(3, R) and SU (2) groups matrix terms using the most optional math tool of exceptional algebra of quaternion numbers. A thorough analysis of the two approaches is made resulting in original formulas linking parameters of the assigned object's consequent 3D rotations with a single rotation about a unit vector pointing the instant rotation axis, respective operational technology described with relevant examples. It is also demonstrated that an axial quaternion frame admits fractalization so that the reorientation problem is reduced to deformations of the sub-geometric fractal surface.
机译:使用四元数数代数的最可选数学工具,在SO(3,R)和SU(2)组矩阵项中详细描述了对象(航天器)问题的重新定向。对这两种方法进行了彻底的分析,得出了原始公式,这些公式将分配的对象随后的3D旋转参数与围绕指向当前旋转轴的单位矢量的单个旋转链接在一起,并用相关示例对各个操作技术进行了描述。还证明了轴向四元数框架允许分形化,从而将重新定向问题减少为亚几何形分形表面的变形。

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