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Comparison of Fault-Tolerant Control Methods Reducing Torque Ripple of Multi-phase BLDC Motor Drive System under Open-phase Fault

Research output: Contribution to conferenceConference paperpeer-review

Abstract

Multi-phase BLDC (Brushless DC) motors with high efficiency and power density are widely used in electric propulsion systems such as electric vehicles, submarines, and electric ships. It is important that the multi-phase motors used in these applications operate stably without generating large torque ripple in various fault scenarios. In this paper, three fault-tolerant control methods are compared to reduce torque ripple by controlling the magnitude and phase angle of healthy phase currents under open circuit failure applied to remove the second harmonic component of torque, which has a large influence on torque ripple, is compared. The proposed fault-tolerant control methods were validated through HIL simulation of a 12-phase BLDC motor.

Original languageEnglish
Title of host publication2021 IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4987-4993
Number of pages7
ISBN (Electronic)9781728151359
DOIs
StatePublished - 2021
Event13th IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Virtual, Online, Canada
Duration: 2021.10.102021.10.14

Publication series

Name2021 IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Proceedings

Conference

Conference13th IEEE Energy Conversion Congress and Exposition, ECCE 2021
Country/TerritoryCanada
CityVirtual, Online
Period21.10.1021.10.14

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

  • fault tolerant control
  • multi-phase BLDC
  • open-circuit fault
  • torque ripple reduction

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Electrical & Electronic
  • Engineering - Petroleum

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