Design of guidance law for lunar ascent phase of manned lunar module

被引：0
|
作者：
Li X. [1 ]
Liu Y.-Y. [1 ]
Zhou J. [1 ]
机构：
[1] Institute for Precision Guidance and Control, Northwestern Polytechnical University
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2011年 / 33卷 / 11期
关键词：
E guidance; Lunar ascent; Manned lunar module; Maximum principle;
D O I：
10.3969/j.issn.1001-506X.2011.11.26
中图分类号：
学科分类号：
摘要：
A closed-loop guidance law based on explicit guidance is designed for ascent from moon surface and injection of lunar module in manned lunar landing mission. Both coplanar and noncoplanar injection dynamics are presented. Under the condition of constant thrust, both explicit guidance and fuel-optimal guidance based on Pontryagin maximum principle are derived and compared. The numerical simulation is conducted under the condition of the given parameters of Apollo lunar module. The results indicate that explicit guidance is better comprehensively considering saving fuel, anti-interference, ensuring accuracy etc. and it can well solve the problem of noncoplanar injection with a small angle. Therefore, explicit guidance is more suitable for engineering application due to its higher reliability and flexibility.
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收藏
页码：2480 / 2484
页数：4
相关论文
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