Estimating Geometric Aspects of Relative Satellite Motion Using Angles-Only Measurements
Estimating Geometric Aspects of Relative Satellite Motion Using Angles-Only Measurements
复制标题
DOI：
10.2514/6.2008-6604
复制
发表时间：
2008-08
期刊：
影响因子：
--
通讯作者：
Jason Schmidt;T. Lovell
中科院分区：
文献类型：
--
作者：
Jason Schmidt;T. Lovell
文摘：研究了卫星相对动力学在只有相对角度测量的情况下的可观性。以前已经证明，对于非机动运动，仅用角度测量是无法观测到笛卡尔状态的，而且，从这些测量中也无法确定笛卡尔状态。本文将证明，如果使用称为相对轨道元素的几何参数集来表征相对状态，则这些参数中的许多可以直接从角度测量中计算出来。这种方法使人们可以仅根据角度测量来快速了解相对轨迹的几何形状。
Abstract : This paper investigates the observability of relative satellite dynamics when only relative angle measurements are available. It has been shown previously that, for non-maneuvering motion, the Cartesian states are unobservable with angles-only measurements and, furthermore, none of the Cartesian states can be determined from these measurements. In this paper it will be shown that if the relative state is characterized instead using a geometric parameter set known as relative orbit elements, many of these parameters can be calculated directly from the angle measurements. This method allows one to quickly get an idea of the geometry of a relative trajectory based only on angle measurements.