Trajectory tracking control of UAV based on non-singular fixed-time terminal sliding mode

Renjie Liu, Qingbo Geng, Qing Fei, Qian Yin

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

2 Citations (Scopus)

Abstract

A improved non-singular fixed-time terminal sliding mode controller (INFTSMC) is proposed in this paper to speed up the response during UAV trajectory tracking. Based on a kind of fixed-time convergence system with variable parameters and shorter convergence time, a new sliding mode surface and INFTSMC are designed to drive the system's state converge in a fixed time, and the settling time's upper bound is better than the existing results. Simultaneously, a switching saturation function is used in the controller to avoid singularity. The Lyapunov stability theory proves that the designed controller can realize the stable tracking of the UAV. The simulation results verify the performance of the INFTSMC given in this paper.

Original languageEnglish
Title of host publicationProceedings of the 40th Chinese Control Conference, CCC 2021
EditorsChen Peng, Jian Sun
PublisherIEEE Computer Society
Pages7886-7891
Number of pages6
ISBN (Electronic)9789881563804
DOIs
Publication statusPublished - 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

  • UAV
  • fixed time
  • non-singular
  • terminal sliding mode

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