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中文摘要：
美国火星科学实验室（MSL）任务成功将“好奇”号火星车着陆到火星表面,开创了火星精确着陆探测的新局面.以MSL着陆任务为典型代表,分析了目前火星着陆探测进入、下降和着陆（Entry,Descent and Landing,EDL）过程的制导方案及制导系统的发展趋势.以在火星高海拔、复杂地形区域定点着陆为潜在工程目标,归纳了火星EDL过程面临的制导主要问题.根据未来制导系统自主性和自适应性的技术需求及潜在工程任务制导面临的问题,提出了火星EDL制导方面需要解决的关键技术,并对其在未来工程中的应用潜力进行了展望.
英文摘要：
Mars Science Laboratory （MSL） has successfully landed Curiosity rover on Mars,and this creates a new situation for Mars precision landing.Taking the MSL mission for example,the guidance scheme and its development trend of entry,descent and landing on Mars are analyzed in this paper.In order to land Martian rovers on high elevation regions and hazardous regions,several primary problems that the guidance system is faced with are summarized.And based on the need of the autonomous and adaptive technique development and the problems that the guidance system is faced with,key techniques of guidance aspect for future Mars landing mission are presented,and also,the potential of the related techniques for applying to the practical engineering is prospected.
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