Current control technique research on permanent magnet brushless motor of aviation

Bo Tan, Weiguo Liu, Ruiqing Ma, Jun Zhao

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

1 Scopus citations

Abstract

By studying the circuit equation in the process of commutations of brushless DC motor (BLDCM), the reason of phase current ripple is pointed out. The effect of phase current ripple to electromagnetic torque is analyzed. The deficiency of conventional current closed-loop control is studied. On the base of analysis a new current closed-loop control method is proposed. Phase current is inputted to PI controller which generates PWM signal to reduce its ripple. Finally, the relevant wave-forms are simulated in the Matlab environment. The simulation result shows that the new method can control phase current in real time, reduce the ripple of phase current and electromagnetic torque effectively, and improve the system efficiency.

Original languageEnglish
Title of host publicationProceedings of the 2010 2nd International Conference on Future Computer and Communication, ICFCC 2010
PagesV1357-V1360
DOIs
StatePublished - 2010
Event2010 2nd International Conference on Future Computer and Communication, ICFCC 2010 - Wuhan, China
Duration: 21 May 201024 May 2010

Publication series

NameProceedings of the 2010 2nd International Conference on Future Computer and Communication, ICFCC 2010
Volume1

Conference

Conference2010 2nd International Conference on Future Computer and Communication, ICFCC 2010
Country/TerritoryChina
CityWuhan
Period21/05/1024/05/10

Keywords

  • BLDCM
  • Phase current control
  • Simulation
  • Torque ripple

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