Vibration Suppression of a Coupled Aircraft Wing with Finite-Time Convergence

A nonlinear coupled wing model subject to unknown external disturbances is proposed in this paper. Since the model is modeled by partial differential equations, the traditional control design scheme based on the ordinary differential equation model is not applicable, and the control law design becom...

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Published in:Complexity (New York, N.Y.) N.Y.), 2022, Vol.2022 (1)
Main Authors: Liu, Yiming, Tan, Zhifeng, Yang, Xiaofen, Wang, Xiaowei
Format: Article
Language:English
Subjects:
Aircraft
Boundary control
Closed loop systems
Control stability
Control theory
Controllers
Convergence
Design
Disturbance observers
Errors
Partial differential equations
Vibration control
Wings (aircraft)
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Yang, Xiaofen
Wang, Xiaowei
description A nonlinear coupled wing model subject to unknown external disturbances is proposed in this paper. Since the model is modeled by partial differential equations, the traditional control design scheme based on the ordinary differential equation model is not applicable, and the control law design becomes very complex. In this paper, a new antidisturbance boundary control scheme based on a finite time convergent disturbance observer is proposed. The control laws are designed based on the new disturbance observers to make the external disturbance errors converge to zero in a finite time and ensure the uniformly bounded stability of the controlled system. Finally, the effectiveness of the controllers and the finite-time convergence of disturbance errors are verified by the simulation and comparison.
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subjects Aircraft
Boundary control
Closed loop systems
Control stability
Control theory
Controllers
Convergence
Design
Disturbance observers
Errors
Partial differential equations
Vibration control
Wings (aircraft)
title Vibration Suppression of a Coupled Aircraft Wing with Finite-Time Convergence
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