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Fast finite-time tracking control for the mechanical system and its application to spacecraft rendezvous system

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Abstract

This paper investigates the fast finite-time tracking control problem for a class of second-order mechanical system with matched disturbance. By employing the finite-time backstepping design approach and nonsingular fast terminal sliding mode (NFTSM) concept, a new form of fast finite-time control (FFTC) approach is proposed and the sufficient conditions of the controller parameters are given, which can guarantee the fast finite-time stability (FFTS). Furthermore, the FFTC law can be reduced to the classical backstepping control (BSC) law, finite-time control (FTC) law and NFTSM control (NFTSMC) law in the particular situations, which validates the completeness of the work. The simulation results of the application to spacecraft rendezvous system have demonstrated the effectiveness of the proposed approach.

Translated title of the contribution机械系统的快速有限时间跟踪控制及其在航天器交会中的应用
Original languageEnglish
Pages (from-to)87-95
Number of pages9
JournalKongzhi Lilun Yu Yingyong/Control Theory and Applications
Volume36
Issue number1
DOIs
StatePublished - 1 Jan 2019

Keywords

  • Backstepping design method
  • Fast finite-time control
  • Mechanical system
  • Reference trajectory tracking

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