深空探测着陆器数字化设计及着陆性能影响因素
收稿日期: 2013-07-01
修回日期: 2013-09-20
网络出版日期: 2013-10-15
基金资助
国家自然科学基金（51105196）；江苏省自然科学基金（BK2011733）；南京航空航天大学基本科研业务费（NS2013086）
Digital Design and Landing Performance Influence Factors of Deep Space Lander
Received date: 2013-07-01
Revised date: 2013-09-20
Online published: 2013-10-15
Supported by
National Natural Science Foundation of China (51105196); National Natural Science Foundation of Jiangsu (BK2011733); NUAA Fundamental Research Funds (NS2013086)
陈金宝 , 聂宏 , 万峻麟 . 深空探测着陆器数字化设计及着陆性能影响因素[J]. 航空学报, 2014 , 35(2) : 541 -554 . DOI: 10.7527/S1000-6893.2013.0396
Symmetrical four-legged suspension lunar lander as the research object, a six-degree-of-freedom dynamic model is established and the model of the lunar soil friction coefficient is improved. Based on the above dynamic models, six degrees of freedom dynamic analysis program on lunar lander soft-landing is applied to analyze soft-landing performance of total lunar lander. The parameters about lunar surface equivalent elastic coefficient, frictional coefficient, inclination angle and so on are studied to analyze the influence on landing performance of the lunar lander. The results show that landing and buffering performance is influenced dramatically on the above factors, and reasonable parameters are chosen to relieve effectively the impact overload of lunar lander soft-landing.
Key words： lander; dynamics; digitalization; lunar soil; buffering
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