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Synergistic Current Control Strategy for Variable Flux Memory Machine Drives With Reduced Pulsating Torque During Magnetization State Manipulations

  • Xing Liu*
  • , Hui Yang
  • , Heyun Lin
  • , Hanlin Zhan
  • , Chaoqiang Wu
  • *Corresponding author for this work
  • Southeast University, Nanjing
  • Harbin Institute of Technology Shenzhen
  • Huawei Technologies Co., Ltd.

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

Abstract

This paper proposes a synergistic current control strategy for variable flux memory machine (VFMM) drives, in order to tackle the problem of pulsating torque during magnetization state (MS) manipulations. The traditional structure of dual-loop control for motor drives is modified by reusing the outer-loop controller as an observer of load torque. On this basis, the q-axis current is synergistically controlled with the d-axis current during MS regulation processes, leading to the fact that the increments of permanent magnet (PM) and reluctance torque components can be fully neutralized. Regarding the inner loop of current controller, a deadbeat predictive current control (DBPCC) method is chosen, which is excellent in terms of both steady-state performance and dynamic response. The utilized current controller and the proposed strategy are verified using experiments. Comparative results prove that the proposed strategy can effectively reduce the pulsating torque and hence the speed fluctuation.

Original languageEnglish
Title of host publication2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4987-4994
Number of pages8
ISBN (Electronic)9798350316445
DOIs
StatePublished - 2023
Externally publishedYes
Event2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 - Nashville, United States
Duration: 29 Oct 20232 Nov 2023

Publication series

Name2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023

Conference

Conference2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
Country/TerritoryUnited States
CityNashville
Period29/10/232/11/23

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • deadbeat predictive current control
  • magnetization state manipulation
  • synergistic current control strategy
  • variable flux memory machine

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