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A New Adaptive Sliding Mode Control for A Mismatched Second-order System

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6 Scopus citations

Abstract

A new adaptive sliding mode controller is proposed for a second-order nonlinear dynamic system with the mismatch uncertainties. Firstly, a novel sliding surface with arctan function and the adaptive parameter is presented to be stable asymptotically of the system states on the sliding mode. Secondly, a nonlinear sliding mode controller is derived from the asymptotical stability of the closed-loop control system by Lyapunov method to eliminate the effect of the mismatch disturbances. Finally, an illustrative example is given to show that the sliding mode is more insensitive to the mismatched disturbances under the proposed adaptive sliding mode controller than those of two kind of sliding mode controllers.

Original languageEnglish
Title of host publicationProceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2606-2610
Number of pages5
ISBN (Electronic)9781728158549
DOIs
StatePublished - Aug 2020
Event32nd Chinese Control and Decision Conference, CCDC 2020 - Hefei, China
Duration: 22 Aug 202024 Aug 2020

Publication series

NameProceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020

Conference

Conference32nd Chinese Control and Decision Conference, CCDC 2020
Country/TerritoryChina
CityHefei
Period22/08/2024/08/20

Keywords

  • Adaptive
  • Lyapunov method
  • Mismatched uncertainties
  • Robust
  • Sliding mode control

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