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Observer-based finite time control for proximity to target spacecraft

  • Shunan Wu*
  • , Zhaowei Sun
  • , Juntian Si
  • , Xue Ma
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Tsinghua University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The finite time control for proximity to target spacecraft is investigated in this paper. The relative motion dynamics for the chaser spacecraft and target spacecraft is firstly proposed. Then a finite time controller, based on a novel fast terminal sliding mode approach, is designed to achieve above control objective. The stability and convergence of the closed-loop system with the property of finite time are discussed by Lyapunov method. The escape maneuver of target spacecraft is further considered, and an observer-based modified finite time controller is proposed to deal with this problem. Numerical simulations are finally provided to illustrate the performance of the proposed controllers.

Original languageEnglish
Title of host publication1st IAA Conference on Dynamics and Control of Space Systems 2012 - Advances in the Astronautical Sciences
Subtitle of host publicationProceedings of the 1st International Academy of Astronautics Conference on DyCoSS 2012
Pages1013-1021
Number of pages9
StatePublished - 2012
Event1st International Academy of Astronautics Conference on Dynamics and Control of Space Systems, DyCoSS 2012 - Porto, Portugal
Duration: 19 Mar 201221 Mar 2012

Publication series

NameAdvances in the Astronautical Sciences
Volume145
ISSN (Print)0065-3438

Conference

Conference1st International Academy of Astronautics Conference on Dynamics and Control of Space Systems, DyCoSS 2012
Country/TerritoryPortugal
CityPorto
Period19/03/1221/03/12

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