Relative Reachable Domain for Spacecraft with Initial State Uncertainties
Relative Reachable Domain for Spacecraft with Initial State Uncertainties
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DOI：
10.2514/1.g000721
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发表时间：
2016-03
影响因子：
2.6
通讯作者：
Changxuan Wen;P. Gurfil
中科院分区：
文献类型：
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作者：
Changxuan Wen;P. Gurfil
可达域是在控制和/或测量不确定性下航天器机动性的几何描述。本文将可达域的概念引入卫星相对运动领域，称之为相对可达域。相对可达域在几何上表示初始控制和/或测量不确定性对相对运动的影响。给出了一种通过求出参考轨道的潜在可达半径的极值来求出任意参考轨道的共面相对可达域的包络的一般方法。给出了圆参考轨道的相对可达域解析表达式。结果表明，相对可达域是一个方便的工具，用于分析各种集群飞行使命问题。几个实际应用的建议，包括确定卫星之间的间隔距离的上限。
The reachable domain is a geometric description of the maneuverability of a spacecraft under control and/or measurement uncertainties. In this paper, the reachable domain concept is introduced into the field of satellite relative motion and termed the relative reachable domain. The relative reachable domain geometrically represents the effects of the initial control and/or measurement uncertainties on relative motion. A general method is developed to find the envelope of the coplanar relative reachable domain for arbitrary reference orbits, by evaluating the extremal values of the potentially accessible radius with respect to a given reference position. The relative reachable domain formulations are analytically expressed for circular reference orbits. It is shown that the relative reachable domain is a convenient tool for analyzing a variety of cluster flight mission problems. Several practical applications are suggested, including determining the upper bound on the separation distances among satellites....