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Volume 21 Issue 2
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2013  >  21(2): 132-136
WANG Xiao-lei. Analysis and Suppression of Cogging Torque of Permanent Magnet Motor for Torpedo Propulsion[J]. Journal of Unmanned Undersea Systems, 2013, 21(2): 132-136. doi: 10.11993/j.issn.1673-1948.2013.02.011
Citation: WANG Xiao-lei. Analysis and Suppression of Cogging Torque of Permanent Magnet Motor for Torpedo Propulsion[J]. Journal of Unmanned Undersea Systems, 2013, 21(2): 132-136. doi: 10.11993/j.issn.1673-1948.2013.02.011
shu

Analysis and Suppression of Cogging Torque of Permanent Magnet Motor for Torpedo Propulsion

doi: 10.11993/j.issn.1673-1948.2013.02.011

  • Kunming Branch of the 705 Research Institute, China Shipbuilding Industry Corporation, Kunming 650118, China

  • Received Date: 2012-08-29
  • Rev Recd Date: 2013-02-25
  • Publish Date: 2013-04-20
    Abstract
  • The cogging torque of permanent magnet (PM) motor for torpedo propulsion influences the torque ripple. In this paper, the generation mechanism of cogging torque is analyzed mathematically. Based on the pole-slot combination method and the teeth notching method, suppression of the cogging torque is discussed. Two-dimensional finite element models of the PM motor with different pole-slot number are established, transient simulations are performed, and the cogging torques relating to different number and dimension of teeth notches are analyzed. The results verify the feasi-bility and validity of the proposed theory and analysis method．

     

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    • References(6)
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