Fixed-time Attitude Stabilization for Spacecraft Based on Active Disturbance Rejection Method

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Abstract

This paper mainly investigates the fixed-time attitude stabilization problem of a rigid spacecraft subject to inertia uncertainties and external disturbance. Firstly, a terminal sliding mode surface is constructed to guarantee the fixed time convergence of the attitude independent of initial states. Then, active disturbance rejection control is used to guarantee the states of the spacecraft system reach an arbitrary small vicinity of the terminal sliding mode surface in fixed time. Moreover, to solve the singularity problem in terminal sliding mode control design, an asynchronous switching law is proposed to avoid the singularity. Finally, numerical simulations illustrate the control performance of the proposed control method.

Original languageEnglish
Title of host publicationProceedings of the 40th Chinese Control Conference, CCC 2021
EditorsChen Peng, Jian Sun
PublisherIEEE Computer Society
Pages7718-7723
Number of pages6
ISBN (Electronic)9789881563804
DOIs
StatePublished - 26 Jul 2021
Event40th Chinese Control Conference, CCC 2021 - Shanghai, China
Duration: 26 Jul 202128 Jul 2021

Publication series

NameChinese Control Conference, CCC
Volume2021-July
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference40th Chinese Control Conference, CCC 2021
Country/TerritoryChina
CityShanghai
Period26/07/2128/07/21

Keywords

  • Active disturbance rejection control(ADRC)
  • Fixed-time attitude stabilization
  • singularity problem
  • terminal sliding mode(TSM)

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