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Linearized Bregman iteration based model‐free adaptive sliding mode control for a class of non‐linear systems

Gao, Shouli, Zhao, Dongya, Yan, Xinggang, Spurgeon, Sarah K. (2021) Linearized Bregman iteration based model‐free adaptive sliding mode control for a class of non‐linear systems. IET Control Theory and Applications, 15 (2). pp. 281-296. ISSN 1751-8644. (doi:10.1049/cth2.12039) (KAR id:88829)

Abstract

There is a growing demand for robust data-driven control methods particularly for industrial process control. This paper presents a new model-free adaptive sliding mode control approach for a class of discrete-time, multiple input and multiple output non-linear systems. The proposed methodology seeks to address issues with the computation of inverse matrices and problems with singularity in existing methods while at the same time seeking to enhance robustness. A Majorization–Minimization technique and the L1 norm are used within the proposed optimization and an online iterative approach is described for update of the control law. The closed-loop system response is proved to be stable. The effectiveness of the proposed control is validated by extensive simulation and also experimental results, with the performance obtained by the proposed approach being compared throughout with a well-known approach from the established literature.

Item Type: Article
DOI/Identification number: 10.1049/cth2.12039
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Xinggang Yan
Date Deposited: 24 Jun 2021 10:39 UTC
Last Modified: 04 Jul 2023 12:47 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/88829 (The current URI for this page, for reference purposes)

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