The Tianwen-1 Guidance, Navigation, and Control for Mars Entry, Descent, and Landing | Zendy

XiangYu Huang | Zendy; Maodeng Li | Zendy; Xiaolei Wang | Zendy; Jinchang Hu | Zendy; Yu Zhao | Zendy; Minwen Guo | Zendy; Chao Xu | Zendy; Wangwang Liu | Zendy; Yunpeng Wang | Zendy; Ce Hao | Zendy; Lijia Xu | Zendy

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The Tianwen-1 Guidance, Navigation, and Control for Mars Entry, Descent, and Landing

Author(s) -

XiangYu Huang,

Maodeng Li,

Xiaolei Wang,

Jinchang Hu,

Yu Zhao,

Minwen Guo,

Chao Xu,

Wangwang Liu,

Yunpeng Wang,

Ce Hao,

Lijia Xu

Publication year - 2021

Publication title -

space science and technology

Language(s) - English

Resource type - Journals

ISSN - 2692-7659

DOI - 10.34133/2021/9846185

Subject(s) - descent (aeronautics) , mars exploration program , mars landing , aerospace engineering , aeronautics , launch vehicle , moon landing , systems engineering , exploration of mars , guidance system , computer science , engineering , astrobiology , simulation , physics , zoology , apollo , biology

Tianwen-1, the first mission of China’s planetary exploration program, accomplished its goals of orbiting, landing, and roving on the Mars. The entry, descent, and landing (EDL) phase directly determines the success of the entire mission, of which the guidance, navigation, and control (GNC) system is crucial. This paper outlines the Tianwen-1 EDL GNC system design by introducing the GNC requirements followed by presenting the GNC system architecture and algorithms to meet such requirements. The actual flight results for the whole EDL phase are also provided in this paper.

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