Design and field analysis of a magnetic gear integrated tubular linear permanent magnet machine

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Abstract

This paper proposes a novel linear permanent magnet machine for direct drive applications in which a magnetic gear is ingeniously integrated with a tubular linear machine, aiming at improving the thrust force density and enhancing the machine efficiency. The operating principle of the proposed machine is introduced. An optimal design with reduced cogging torque, improved thrust force density, and enhanced power factor is presented and discussed. By using circuit-field-motion coupled time-stepping finite element method (FEM), the steady-state as well as transient performances of the machine are simulated. The FEM computation results are consistent with theoretical analysis, hence verifying the validity of the machine design.
Original languageEnglish
Title of host publicationDigests of the 2010 14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2010
DOIs
Publication statusPublished - 26 Jul 2010
Event14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC2010 - Chicago, IL, United States
Duration: 9 May 201012 May 2010

Conference

Conference14th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC2010
CountryUnited States
CityChicago, IL
Period9/05/1012/05/10

ASJC Scopus subject areas

  • Computational Theory and Mathematics
  • Electrical and Electronic Engineering

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