行星着陆点自主评估与选取研究进展

Research progress of autonomous planetary landing site assessment and selection

针对行星表面多样异构形貌对探测器着陆安全构成的潜在威胁,对行星着陆点自主评估与选取方法的最新研究进展进行了系统性回顾.首先总结了着陆点自主评估选取任务特点与面临的主要技术难题,介绍了着陆点选取涉及的关键要素以及"安全因子"法选取流程与应用.随后回顾了着陆点自主评估与选取方法研究进展,重点从障碍检测、地形安全性评估、着陆点综合选取三个方面对以往任务与理论研究成果进行了归纳梳理.最后结合未来行星探测任务智能化需求,对相关技术发展趋势提出了思考与建议.

To address potential safety threats posed by various terrain conditions on the planetary surface,the recent development of autonomous planetary landing site assessment and selection methods is systematically reviewed in this paper.First,the mission characteristics and main technical challenges in landing site selection are summarized.Critical factors to be considered in landing site selection are introduced together with the selection process and applications of the Safety Index method.Then,an overview of the research progress of autonomous landing site assessment and selection methods is provided.Past missions and theoretical developments are analyzed from the aspects of hazard detection,terrain safety assessment,and comprehensive landing site selection.Lastly,based on the growing requirements of mission intelligence in future planetary exploration,several suggestions and recommendations with regard to landing site selection technology development trends are proposed.