An integral variable structure control scheme for non-overshooting responses

Yu Sheng Lu, Sheng Hao Liu

Research output: Contribution to journalArticle

Abstract

This article presents an improved integral variable structure control scheme to avoid overshooting responses for a class of second-order plants. The proposed sliding dynamics have two integral state variables. One integral state variable is initially specified to enable existence of a sliding mode throughout an entire response. The other’s initial value is assigned to avoid overshooting output responses. It is shown that the integral state is initially chosen to be a nonlinear function of the plant’s initial state to avoid an overshooting response. This article also reports the experimental results for controlling the position of a screw-driven actuator with various payloads and initial velocities, in order to show the effectiveness of the proposed scheme.

Original languageEnglish
Pages (from-to)442-452
Number of pages11
JournalProceedings of the Institution of Mechanical Engineers. Part I: Journal of Systems and Control Engineering
Volume232
Issue number4
DOIs
Publication statusPublished - 2018 Apr 1

Keywords

  • Initial state
  • integral variable structure control
  • overshoot
  • screw-driven actuator
  • sliding-mode control

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering

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