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Enhanced sliding mode controller for nonlinear systems

  • Mohamed Said Sayed Ahmed*
  • , Ping Zhang
  • , Yun Jie Wu
  • *Corresponding author for this work
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, we proposed a new chattering free and high robust sliding mode controller for nonlinear systems, unlike the conventional variable structure controller (CVSC) or sliding mode controller with boundary layer. The proposed controller uses an integration term of the error in the sliding surface and uses a continuously exponentially varying time term in the reaching low to eliminate the chattering problem also we use a discontinuous term to keep the robustness. A systematic design procedure of sliding mode controller for nonlinear system is presented and applied to a permanent magnet synchronous motor (PMSM) with friction model and limiters to verify superiority of the proposed controller. Feedback linearization technique, relative degree and minimum phase are reviewed.

Original languageEnglish
Title of host publicationSixth International Symposium on Instrumentation and Control Technology
Subtitle of host publicationSensors, Automatic Measurement, Control, and Computer Simulation
DOIs
StatePublished - 2006
EventSixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation - Beijing, China
Duration: 13 Oct 200615 Oct 2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6358 II
ISSN (Print)0277-786X

Conference

ConferenceSixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation
Country/TerritoryChina
CityBeijing
Period13/10/0615/10/06

Keywords

  • Feedback linearization
  • Nonlinear systems
  • PID
  • Relative degree
  • Variable structure control and chattering

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