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DSOGI Based Rotor Position Estimation for DTP-PMSM Considering DC Bias

  • School of Electrical Engineering and Automation, Harbin Institute of Technology

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

Abstract

The traditional position observer is susceptible to DC bias caused by measurement error and parameter change in sensorless control at medium and high speed. Therefore, an improved flux observer based on bisecond-order generalized integrator is proposed in this paper. By constructing a specific harmonic current feed quantity in the harmonic subplane and using a double second-order generalized integrator (DSOGI) to get the feedbacks of the injected current, the DC bias error caused by sampling error and motor parameter change is eliminated. Finally, the feasibility and effectiveness of the proposed observer are verified by taking the two-three-phase permanent magnet synchronous motor as an example.

Original languageEnglish
Title of host publication2024 27th International Conference on Electrical Machines and Systems, ICEMS 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2868-2872
Number of pages5
ISBN (Electronic)9784886864406
DOIs
StatePublished - 2024
Externally publishedYes
Event27th International Conference on Electrical Machines and Systems, ICEMS 2024 - Fukuoka, Japan
Duration: 26 Nov 202429 Nov 2024

Publication series

Name2024 27th International Conference on Electrical Machines and Systems, ICEMS 2024

Conference

Conference27th International Conference on Electrical Machines and Systems, ICEMS 2024
Country/TerritoryJapan
CityFukuoka
Period26/11/2429/11/24

Keywords

  • DC Bias
  • Flux observer
  • SOGI
  • Sensorless control

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