A Fault-tolerant Finite Time Control Method for Tilting Quadrotors

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Abstract

A fault-tolerant finite time control method for tilting quadcopters with actuator faluts is proposed in this research. To begin, a dynamic model of a tilting quadrotor is created. Then, using nonsingular fast terminal sliding mode control (NFTSM), a finite time control method is examined. A fault-tolerant finite time control method (FTFC) is developed by integrating NFTSM, high-order sliding mode(HOSM) and a simple falut diagnosis scheme to prevent actuator failure from negatively influencing the system. HOSM is used to eliminate chattering. A time-delay disturbance observer (TDO) is created to observe actuator failures and a control strategy is provided to accommodate the faults' bad influence in the falut diagnosis scheme. FTFC provides the advantages of non-singularity, high robustness, finite time convergence and low chattering over other control methods. The efficiency of the control method is verified in the simulation.

Original languageEnglish
Title of host publicationProceedings of the 41st Chinese Control Conference, CCC 2022
EditorsZhijun Li, Jian Sun
PublisherIEEE Computer Society
Pages4159-4164
Number of pages6
ISBN (Electronic)9789887581536
DOIs
StatePublished - 2022
Event41st Chinese Control Conference, CCC 2022 - Hefei, China
Duration: 25 Jul 202227 Jul 2022

Publication series

NameChinese Control Conference, CCC
Volume2022-July
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference41st Chinese Control Conference, CCC 2022
Country/TerritoryChina
CityHefei
Period25/07/2227/07/22

Keywords

  • disturbance observer
  • falut-tolerant
  • terminal sliding mode control
  • tilting quadrotor

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