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Influence of Signal Quantization on Multivariable Control Systems with Sliding Mode

  • Hanqing Zhang
  • , Weiqi Zhang
  • , Yalong Yang
  • , Yanmin Wang*
  • *Corresponding author for this work
  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Anhui Jianzhu University

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

Abstract

In this paper, the stability problem affected by the signal quantization on the sliding mode (SM) controlled multivariable system are investigated. A class of multivariable systems are given, following the traditional SM controller design without consideration of the signal quantization. Comparatively, the signal quantization imposed by the sampling operation of sensors is taken as an example to investigate, which is located in the feedback channel of the whole closed-loop system. The effect of the quantization mechanism on the transmission signal is given, following the modelling of the signal quantization and the real multivariable system. Furthermore, in the frame of the two-phase trajectory of SM control, the stability is analyzed in the process of the reaching motion and sliding motion, respectively. Simulations validate the proposed approach.

Original languageEnglish
Title of host publicationProceedings of the 35th Chinese Control and Decision Conference, CCDC 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1684-1688
Number of pages5
ISBN (Electronic)9798350334722
DOIs
StatePublished - 2023
Externally publishedYes
Event35th Chinese Control and Decision Conference, CCDC 2023 - Yichang, China
Duration: 20 May 202322 May 2023

Publication series

NameProceedings of the 35th Chinese Control and Decision Conference, CCDC 2023

Conference

Conference35th Chinese Control and Decision Conference, CCDC 2023
Country/TerritoryChina
CityYichang
Period20/05/2322/05/23

Keywords

  • multivariable system
  • signal quantization
  • sliding mode control
  • stability

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