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Delay-dependent robust stability analysis of uncertain fractional-order neutral systems with distributed delays and nonlinear perturbations subject to input saturation

  • Zahra Sadat Aghayan ORCID logo , Alireza Alfi ORCID logo EMAIL logo and J. A. Tenreiro Machado ORCID logo

Abstract

In this article, we address the delay-dependent robust stability of uncertain fractional order neutral-type (FONT) systems with distributed delays, nonlinear perturbations, and input saturation. With the aid of the Lyapunov–Krasovskii functional, criteria on asymptotic robust stability of FONT, expressed in terms of linear matrix inequalities, are constructed to compute the state-feedback controller gains. The controller gains are determined subject to maximizing the domain of attraction via the cone complementarity linearization algorithm. The theoretical results are validated using numerical simulations.


Corresponding author: Alireza Alfi, Faculty of Electrical Engineering, Shahrood University of Technology, Shahrood 36199-95161, Iran, E-mail:

  1. Author contribution: Zahra Sadat Aghayan: Conceptualization, Methodology, Software. Alireza Alfi: Conceptualization, Writing - review & editing, Investigation. J.A. Tenreiro Machado: Writing - review & editing, Investigation.

  2. Research funding: There is no funding.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2020-07-26
Revised: 2021-04-20
Accepted: 2021-07-20
Published Online: 2021-08-24
Published in Print: 2023-02-23

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