南京航空航天大学学报2023，Vol.55Issue(6)：997-1003,7.DOI:10.16356/j.1005-2615.2023.06.006
基于相对距离估计的空间非合作目标跟踪方法
A Non-cooperative Space Target Tracking Method Based on Relative Distance Estimation
摘要
Abstract
In order to solve the problem that the tracking accuracy is reduced or even the target is lost due to the deviation of angles-only measurement information during the tracking process,a method is proposed for space non-cooperative target tracking based on relative distance estimation in geostationary orbit.First,the main spacecraft coordinate system is taken as a reference,and the relative motion model of space non-cooperative target is established.Second,the tracking equation is established based on Clohessy-Wiltshire(C-W)equation.Third,the relative distance is normalized as the unit quantity,and the difficult-to-observe relative distance is converted into the ratio of speed to distance.And the coordinates of the space target are used to estimate the radial component.Thereby,the relative motion trajectory of the space non-cooperative target can be obtained.Finally,the algorithm is simulated and verified,and the deviation angle between the actual motion trajectory and the predicted motion trajectory of the space target is used as the result.The simulation results show that,compared with the traditional algorithm,the tracking algorithm can obtain a higher-precision motion trajectory and has better robustness.The algorithm can be easily implemented in engineering.关键词
非合作目标/空间目标/仅测角/径向分量估计/目标跟踪Key words
non-cooperative target/space target/angles-only/radial component estimation/target tracing分类
航空航天引用本文复制引用
贾森浩,曲伟智,李立斌,方慧,毛晓楠,孙少勇..基于相对距离估计的空间非合作目标跟踪方法[J].南京航空航天大学学报,2023,55(6):997-1003,7.基金项目
国家自然科学基金(62305206) （62305206）
上海市2022年度"创新行动计划"启明星项目培育(22YF1417000). （22YF1417000）
