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Magnetic field analysis of permanent magnet tubular linear machines with multiple movers

  • Beihang University
  • CAS - Ningbo Institute of Material Technology and Engineering
  • Nanyang Technological University

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

Abstract

Conventional linear machine consists of only one stator and one mover. In this paper, a permanent magnet (PM) tubular linear motor with multiple movers is proposed to improve the efficiency of stator field. The outer and inner movers can produce independent motions by interacting with the PM stator. It can be used in large systems requiring multiple driven elements and space saving. The employment of tubular structure helps to reduce the flux leakage and improve the system working efficiency. The design concept and operating principle of the proposed linear machine are introduced. The magnetic field distribution in the machine is formulated by using Laplace's and Poisson's equations of magnetic vector potential. Following that, the modeling of force output for this machine is obtained based on Lorentz law. Numerical computation is also conducted on the flux field. It shows that the derived analytical model fits with the result of finite element analysis (FEA) well.

Original languageEnglish
Title of host publicationAIM 2015 - 2015 IEEE/ASME International Conference on Advanced Intelligent Mechatronics
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages623-628
Number of pages6
ISBN (Electronic)9781467391078
DOIs
StatePublished - 25 Aug 2015
EventIEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM 2015 - Busan, Korea, Republic of
Duration: 7 Jul 201511 Jul 2015

Publication series

NameIEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM
Volume2015-August
ISSN (Print)2159-6247
ISSN (Electronic)2159-6255

Conference

ConferenceIEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM 2015
Country/TerritoryKorea, Republic of
CityBusan
Period7/07/1511/07/15

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