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Fractal Fract
Volume 7
Issue 11
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Article

Disturbance Observer-Based Event-Triggered Adaptive Command Filtered Backstepping Control for Fractional-Order Nonlinear Systems and Its Application

by
Shuai Song
1,
Xiaona Song
1,* and
Inés Tejado
2,*
1
School of Information Engineering, Henan University of Science and Technology, Luoyang 467023, China
2
Escuela de Ingenierías Industriales, Universidad de Extremadura, 06006 Badajoz, Spain
*
Authors to whom correspondence should be addressed.
Fractal Fract. 2023, 7(11), 810; https://doi.org/10.3390/fractalfract7110810
Submission received: 14 August 2023 / Revised: 15 October 2023 / Accepted: 7 November 2023 / Published: 9 November 2023
(This article belongs to the Special Issue Fractional Order Systems with Application to Electrical Power Engineering)
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Abstract

This paper considers the disturbance observer-based event-triggered adaptive fuzzy tracking control issue for a class of fractional-order nonlinear systems (FONSs) with quantized signals and unknown disturbances. To improve the disturbance rejection ability, a fractional-order nonlinear disturbance observer (FONDO) is designed to estimate the unknown composite disturbances. Furthermore, by combining an improved fractional-order command-filtered backstepping control technique and an event-triggered control mechanism, an event-triggered adaptive fuzzy quantized control scheme is established, which guarantees the desired tracking performance can be achieved even in the presence of network constraint. Finally, the validity and superiority of the theoretic results are verified by a fractional-order horizontal platform system.
Keywords: command filtered backstepping control; event-triggered control; fractional-order nonlinear systems; input quantization; nonlinear disturbance observer command filtered backstepping control; event-triggered control; fractional-order nonlinear systems; input quantization; nonlinear disturbance observer

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MDPI and ACS Style

Song, S.; Song, X.; Tejado, I. Disturbance Observer-Based Event-Triggered Adaptive Command Filtered Backstepping Control for Fractional-Order Nonlinear Systems and Its Application. Fractal Fract. 2023, 7, 810. https://doi.org/10.3390/fractalfract7110810

AMA Style

Song S, Song X, Tejado I. Disturbance Observer-Based Event-Triggered Adaptive Command Filtered Backstepping Control for Fractional-Order Nonlinear Systems and Its Application. Fractal and Fractional. 2023; 7(11):810. https://doi.org/10.3390/fractalfract7110810

Chicago/Turabian Style

Song, Shuai, Xiaona Song, and Inés Tejado. 2023. "Disturbance Observer-Based Event-Triggered Adaptive Command Filtered Backstepping Control for Fractional-Order Nonlinear Systems and Its Application" Fractal and Fractional 7, no. 11: 810. https://doi.org/10.3390/fractalfract7110810

APA Style

Song, S., Song, X., & Tejado, I. (2023). Disturbance Observer-Based Event-Triggered Adaptive Command Filtered Backstepping Control for Fractional-Order Nonlinear Systems and Its Application. Fractal and Fractional, 7(11), 810. https://doi.org/10.3390/fractalfract7110810

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