深空测角测距融合定位光学信息优选方法研究  

Research on Optimal Selection of Optical Information Under the Fusion Positioning of Angle Measurement and Navigation Satellite Ranging for Deep Space Probe

作　　者：刘璟 朱圣英[1,2] 崔平远[1,2] 刘延杰 LIU Jing;ZHU Shengying;CUI Pingyuan;LIU Yanjie(School of Aerospace Engineering,Beijing Institute of Technology,Beijing 100081,China;Key Laboratory of Autonomous Navigation and Control for Deep Space Exploration(Beijing Institute of Technology),Ministry of Industry and Information Technology,Beijing 100081,China;College of Automation&Electronic Engineering,Qingdao University of Science&Technology,Qingdao 266100,Shandong,China;Shandong Provincial Key Laboratory of Autonomous Landing for Deep Space Exploration,Qingdao 266100,Shandong,China)

机构地区：[1]北京理工大学宇航学院,北京100081 [2]深空自主导航与控制工信部重点实验室(北京理工大学),北京100081 [3]青岛科技大学自动化与电子工程学院,山东青岛266100 [4]山东省深空自主着陆技术重点实验室,山东青岛266100

出　　处：《上海航天（中英文）》2024年第5期44-51,共8页Aerospace Shanghai（Chinese&English）

基　　金：民用航天资助项目(TW3005)。

摘　　要：针对深空探测器自主定位问题,提出测角测距融合定位下光学信息的优化选取方法。分析光学测角与导航星测距的特性,建立测角-测距融合定位方案,在此基础上,综合测量几何构型与敏感器测量精度,表征测角信息整体可观度与相对可观度,并建立测角信息评价函数,利用启发式算法实现测角组合的优化选取。数值仿真表明:所设计的光学信息优化选取方法能有效提升导航性能。To address the problem of autonomous positioning for deep space probe,an optimal selection method of optical information under the fusion positioning of angle measurement and navigation satellite ranging is proposed.The characteristics of optical angle measurement and navigation satellite ranging are analyzed,and a fusion positioning scheme of angle measurement and navigation satellite ranging is designed to realize the high-precision absolute positioning.On this basis,in view of the measurement accuracy of the sensor and the measurement geometry,the overall observability and relative observability of the angle measurement information are designed,the evaluation function of the angle measurement information is constructed,and the heuristic algorithm is used to optimize the selection of the angle measurement combination.Finally,numerical simulation is carried out,and the obtained results show that the designed optical selection method of optical information can effectively improve the navigation performance.

关 键 词：测角定位 导航星测距 绝对定位 光学信息优选 

分 类 号：V476.4[航空宇航科学与技术—飞行器设计]