Finite-Time Geometric Tracking Controller for Multirotor Systems

A continuous nonsingular terminal sliding-mode controller (N-TSMC) has been developed that ensures finite time convergence of the attitude of a multirotor subject to disturbance. A newly designed disturbance compensator is incorporated in the developed controller to guarantee that the disturbance co...

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Main Authors: Han-Hsuan An, Teng-Hu Cheng
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9923906/
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author Han-Hsuan An
Teng-Hu Cheng
author_facet Han-Hsuan An
Teng-Hu Cheng
author_sort Han-Hsuan An
collection DOAJ
description A continuous nonsingular terminal sliding-mode controller (N-TSMC) has been developed that ensures finite time convergence of the attitude of a multirotor subject to disturbance. A newly designed disturbance compensator is incorporated in the developed controller to guarantee that the disturbance compensation error exhibits finite-time convergence. A stability analysis showed that the developed controller can ensure that the closed-loop system achieves homogeneous finitetime stability. Simulations were performed to verify the efficacy of the developed controller. Compared with the traditional NTSMC, the simulation results indicate that the continuous NTSMC can still achieve finite-time convergence without causing high-frequency chattering since the control input is continuous. To the best of our knowledge, this is the first time that a continuous N-TSMC has been applied to multirotor systems to ensure finite-time stability.
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spelling doaj.art-a828e5907c824ae5830ba6e02542c79f2022-12-22T04:37:11ZengIEEEIEEE Access2169-35362022-01-011011090511091510.1109/ACCESS.2022.32156899923906Finite-Time Geometric Tracking Controller for Multirotor SystemsHan-Hsuan An0Teng-Hu Cheng1https://orcid.org/0000-0002-1451-3937Department of Mechanical Engineering, National Yang Ming Chiao Tung University, Hsinchu, TaiwanDepartment of Mechanical Engineering, National Yang Ming Chiao Tung University, Hsinchu, TaiwanA continuous nonsingular terminal sliding-mode controller (N-TSMC) has been developed that ensures finite time convergence of the attitude of a multirotor subject to disturbance. A newly designed disturbance compensator is incorporated in the developed controller to guarantee that the disturbance compensation error exhibits finite-time convergence. A stability analysis showed that the developed controller can ensure that the closed-loop system achieves homogeneous finitetime stability. Simulations were performed to verify the efficacy of the developed controller. Compared with the traditional NTSMC, the simulation results indicate that the continuous NTSMC can still achieve finite-time convergence without causing high-frequency chattering since the control input is continuous. To the best of our knowledge, this is the first time that a continuous N-TSMC has been applied to multirotor systems to ensure finite-time stability.https://ieeexplore.ieee.org/document/9923906/Finite-time stabilitygeometric tracking controldisturbance compensatornonlinear controlLyapunov theory
spellingShingle Han-Hsuan An
Teng-Hu Cheng
Finite-Time Geometric Tracking Controller for Multirotor Systems
IEEE Access
Finite-time stability
geometric tracking control
disturbance compensator
nonlinear control
Lyapunov theory
title Finite-Time Geometric Tracking Controller for Multirotor Systems
title_full Finite-Time Geometric Tracking Controller for Multirotor Systems
title_fullStr Finite-Time Geometric Tracking Controller for Multirotor Systems
title_full_unstemmed Finite-Time Geometric Tracking Controller for Multirotor Systems
title_short Finite-Time Geometric Tracking Controller for Multirotor Systems
title_sort finite time geometric tracking controller for multirotor systems
topic Finite-time stability
geometric tracking control
disturbance compensator
nonlinear control
Lyapunov theory
url https://ieeexplore.ieee.org/document/9923906/
work_keys_str_mv AT hanhsuanan finitetimegeometrictrackingcontrollerformultirotorsystems
AT tenghucheng finitetimegeometrictrackingcontrollerformultirotorsystems