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A composite guidance law based on the nonlinear disturbance observer-based control for Mars pinpoint landing

  • Zhang Yabin
  • , Guo Lei
  • , Sun Haibin
  • , Chen Wenhua
  • , Wang Sen

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The landing accuracy of a Mars lander is severely affected by a wide range of disturbances at the powered descent stage. To address this problem, a composite guidance law is proposed in this paper. The composite guidance law is developed by the combination of disturbance observer-based control (DOBC) technique and multiple sliding surfaces guidance (MSSG) theory. Compared with other guidance laws, the proposed method achieves promising disturbance rejection performance and high landing accuracy in both position and velocity, reducing the conservatism to a certain extent. The proposed guidance law does not require any off-line trajectory generation and its global stability is verified by using Lyapunov direct method. Simulation results show that the proposed guidance law is superior to the conventional guidance laws in terms of both disturbance rejection and landing accuracy.

源语言英语
主期刊名Proceedings of the 34th Chinese Control Conference, CCC 2015
编辑Qianchuan Zhao, Shirong Liu
出版商IEEE Computer Society
5224-5229
页数6
ISBN(电子版)9789881563897
DOI
出版状态已出版 - 11 9月 2015
活动34th Chinese Control Conference, CCC 2015 - Hangzhou, 中国
期限: 28 7月 201530 7月 2015

出版系列

姓名Chinese Control Conference, CCC
2015-September
ISSN(印刷版)1934-1768
ISSN(电子版)2161-2927

会议

会议34th Chinese Control Conference, CCC 2015
国家/地区中国
Hangzhou
时期28/07/1530/07/15

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