深空探测着陆过程序列图像自主导航综述

Overview of autonomous navigation based on sequential images for planetary landing

基于序列图像的自主导航作为未来深空探测地外天体精确定点着陆任务的关键技术,是目前深空探测技术的重点发展方向之一.针对未来深空探测地外天体精确着陆自主导航的需求,阐述了发展深空探测着陆过程序列图像自主导航的必要性.首先,分别从主动成像和被动成像两个方向介绍了基于序列图像的深空探测着陆过程自主导航研究现状;然后,总结并分析了基于序列图像的深空探测着陆过程自主导航涉及到的关键技术;最后,根据关键技术分析给出了基于序列图像的深空探测着陆过程自主导航研究目前存在的主要问题并对其后续发展进行了展望.

Autonomous navigation based on sequential images（ ANBSI） is the key technology of pinpoint landing missions for future deep space exploration and also is one of the major development directions for deep space exploration technology. The necessity of developing ANBSI for planetary pinpoint landing is elaborated in this paper.Firstly,state-of-art developments of ANBSI are reviewed in terms of active sensing and passive sensing. Then,the key techniques applied in ANBSI for planetary landing are summarized and analyzed. Finally,according to the analysis of the key techniques,the main issues of ANBSI are raised and their future developments are overviewed.