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Adaptive Fixed-Time Control of Strict-Feedback High-Order Nonlinear Systems.

Lookup NU author(s): Professor Cheng Chin

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Abstract

This paper examines the adaptive control of high-order nonlinear systems with strict-feedback form. An adaptive fixed-time control scheme is designed for nonlinear systems with unknown uncertainties. In the design process of a backstepping controller, the Lyapunov function, an effective controller, and adaptive law are constructed. Combined with the fixed-time Lyapunov stability criterion, it is proved that the proposed control scheme can ensure the stability of the error system in finite time, and the convergence time is independent of the initial condition. Finally, simulation results verify the effectiveness of the proposed control strategy.

Publication metadata

Author(s): Li Y, Zhang J, Ye X, Chin CS

Publication type: Article

Publication status: Published

Journal: Entropy

Year: 2021

Volume: 23

Issue: 8

Print publication date: 01/08/2021

Online publication date: 27/07/2021

Acceptance date: 26/07/2021

Date deposited: 23/08/2021

ISSN (electronic): 1099-4300

Publisher: MDPI AG

URL: https://doi.org/10.3390/e23080963

DOI: 10.3390/e23080963

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