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An improved model-free adaptive integral sliding mode control for a class of nonlinear discrete-time systems

Xia, R; Song, X; Sun, J; Zhao, D; Spurgeon, SK; (2023) An improved model-free adaptive integral sliding mode control for a class of nonlinear discrete-time systems. In: Proceedings of the 22nd IFAC World Congress. (pp. pp. 8135-8140). Elsevier Green open access

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Abstract

For a class of uncertain single-input single-output (SISO) nonlinear discrete-time systems, an improved model-free adaptive integral sliding mode control (MFA-ISMC) algorithm is proposed based on a disturbance observer. The pseudo-partial derivative (PPD) estimation algorithm used to describe the system dynamics is modified and the stability of the closed-loop system is guaranteed. It is shown that the corresponding closed-loop system performance is improved and the effectiveness of the proposed method is demonstrated by a simulation example.

Type: Proceedings paper
Title: An improved model-free adaptive integral sliding mode control for a class of nonlinear discrete-time systems
Event: 22nd IFAC World Congress
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.ifacol.2023.10.983
Publisher version: http://dx.doi.org/10.1016/j.ifacol.2023.10.983
Language: English
Additional information: © 2023 The Authors. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0/).
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10187008
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