Improved Drive Performance of Linear Induction Machine Based on Direct Thrust Control and Sliding Mode Control with Extended State Observer Applied for Linear Metro

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5 Scopus citations

Abstract

In this paper, a terminal sliding-mode (TSM) speed regulation algorithm is proposed to enhance the transient characteristics of the linear induction motor (LIM) drive system. Moreover, an extended load thrust observer (ELTO) has been designed to recompense the proposed TSM speed controller at load perturbations or any uncertain condition. The proposed TSM speed controller with ESLTO has combined the direct thrust control with space vector modulation (DTC-SVM) strategy to achieve the speed, electromagnetic thrust, and primary flux-linkage tracking objectives under different operating conditions. The proposed control strategy, (TSMC-DTC), can get a good transient response with a high-speed tracking accuracy as compared to the linear DTC (PI-DTC) and the conventional sliding mode DTC (CSMC-DTC) strategies. Comparative results ensure that the suggested control method has fast speed response, less steady-state error and better steady-state behavior in comparison to those of the traditional control strategies.

Original languageEnglish
Title of host publication2021 13th International Symposium on Linear Drives for Industry Applications, LDIA 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728172101
DOIs
StatePublished - 2021
Externally publishedYes
Event13th International Symposium on Linear Drives for Industry Applications, LDIA 2021 - Wuhan, China
Duration: 1 Jul 20213 Jul 2021

Publication series

Name2021 13th International Symposium on Linear Drives for Industry Applications, LDIA 2021

Conference

Conference13th International Symposium on Linear Drives for Industry Applications, LDIA 2021
Country/TerritoryChina
CityWuhan
Period1/07/213/07/21

Bibliographical note

Publisher Copyright:
© 2021 IEEE

Keywords

  • Direct thrust control (DTC)
  • Extended sliding-mode load thrust observer
  • Linear induction machine (LIM)
  • Terminal sliding mode

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

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