Delayed Sliding Mode Observer Design for Linear Systems with Unknown Inputs and Measurement delays

Jing Xu, Emilia Fridman, Leonid M. Fridman, Yugang Niu

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

Abstract

This paper proposes a delayed sliding mode observer (DSMO) for the robust estimation of linear systems with bounded unknown inputs and measurement delays. In the DSMO, a static proportional minus delay output feedback loop is artificially incorporated, and an addictive switching delayed sliding mode injection is also introduced to achieve the convergence of estimation errors. The proposed DSMO permits both periodic and aperiodic measurements in output feedback loops, which improves the design flexibility with low-cost sensors. In simulation, an example of a magnetic levitation system is used to illustrate the merits of DSMOs.

Original languageEnglish
Title of host publication2022 16th International Workshop on Variable Structure Systems, VSS 2022
PublisherIEEE Computer Society
Pages83-88
Number of pages6
ISBN (Electronic)9781665463591
DOIs
StatePublished - 2022
Event16th International Workshop on Variable Structure Systems, VSS 2022 - Rio de Janeiro, Brazil
Duration: 11 Sep 202214 Sep 2022

Publication series

NameProceedings of IEEE International Workshop on Variable Structure Systems
Volume2022-September

Conference

Conference16th International Workshop on Variable Structure Systems, VSS 2022
Country/TerritoryBrazil
CityRio de Janeiro
Period11/09/2214/09/22

Keywords

  • State estimation
  • sliding mode observers
  • time delays

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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