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Research on an improved PWM control mode of DC motor

  • Chunxiang Sun*
  • , Bo Mo
  • *Corresponding author for this work
  • Beijing Institute of Technology

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

Abstract

In this paper, an improved pulse width modulation (PWM) mode of Direct Current (DC) Motor is proposed to solve the weak points of common control mode. The new mode designs an adjustable dead time to improve reliability of the control system. If the dead time is smaller, armature current is continuous; if the dead time is larger, armature current is intermittent. When armature current is continuous, the new mode not only has the advantages of bipolar mode, but also prevents the same side MOSFETs from direct connection. When armature current is intermittent, motor has quicker response than controlled by limited Single polarity mode. Theoretical analysis and experimental research show that the new mode is practical and feasible.

Original languageEnglish
Title of host publicationProceedings - International Conference on Communication Systems and Network Technologies, CSNT 2012
Pages683-687
Number of pages5
DOIs
Publication statusPublished - 2012
EventInternational Conference on Communication Systems and Network Technologies, CSNT 2012 - Rajkot, Gujrat, India
Duration: 11 May 201213 May 2012

Publication series

NameProceedings - International Conference on Communication Systems and Network Technologies, CSNT 2012

Conference

ConferenceInternational Conference on Communication Systems and Network Technologies, CSNT 2012
Country/TerritoryIndia
CityRajkot, Gujrat
Period11/05/1213/05/12

Keywords

  • DC motor
  • PWM control mode
  • save power

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