Investigation on soft-landing dynamics of four-legged lunar lander

被引：27
|
作者：
Wei, Xiaohui [1 ,3 ]
Lin, Qing [2 ]
Nie, Hong [1 ,3 ]
Zhang, Ming [3 ]
Ren, Jie [4 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Mech Struct, Shanghai 201108, Peoples R China
[2] Aerosp Syst Engn Shanghai, Shanghai 201108, Peoples R China
[3] Nanjing Univ Aeronaut & Astronaut, Key Lab Fundamental Sci Natl Defense Adv Design, Shanghai 201108, Peoples R China
[4] GE AVIC Civil Avion Syst Co Ltd, Shanghai 200241, Peoples R China
来源：
ACTA ASTRONAUTICA | 2014年 / 101卷
关键词：
Lunar lander; Soft-landing; Dynamics; Landing impact test; Scale model;
D O I：
10.1016/j.actaastro.2014.04.001
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
In order to improve the efficiency and accuracy of soft-landing dynamic calculation of lunar lander, this paper proposed a new soft-landing dynamic model with seven free degrees and the inertia force was also taken into consideration during the landing process. The force condition of lander during soft-landing was investigated; moreover dynamics and kinematics equations were deduced. Besides, the landing process was studied by mathematical model, which is verified by results of scale lander prototype and landing test platform. The result shows that the calculation could match the test results effectively, which verifies accuracy and availability of seven free degrees soft-landing dynamic model. (C) 2014 IAA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：55 / 66
页数：12
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