SPM Motor

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  1. [JAC120] Thermal Demagnetization Analysis of an SPM Motor

    This Application Note presents how to change the temperature of permanent magnets in an analysis, and then evaluate the effects on the torque waveform, magnetic flux density distr…

  2. [JAC108] Centrifugal Force Rupture Analysis of a Ring Magnet

    This Application Note presents how to obtain the stress distribution of a ring magnet in an SPM motor rotating at high speeds.

  3. Comparison between IPM and SPM based on Experiment and Analysis Result(Report of Harumi Project1)

    Kan Akatsu,Katsuyuki Narita,Yoshuki Sakashita,Takashi Yamada, Tokyo University of Agriculture and Technology/JRI Solutions, Ltd.

  4. [JAC080] Cogging Torque Analysis of an SPM Motor with Skewed Magnetization

    This Application Note presents the use of a magnetic field analysis to obtain the flux density distribution, cogging torque, and induced voltage of an SPM motor that has skewed ma…

  5. [JAC031] Iron Loss Analysis of an SPM Motor Including the Effect of Press-fitting Stress

    This note presents the use of the press fit condition to model a core and frame and obtains iron loss density for when the generated stress is used and not used.

  6. [JAC024] Cogging Torque Analysis of an SPM Motor with a Skewed Stator

    This note presents the use of magnetic field analysis to evaluate the cogging torque of an SPM motor with a skewed stator.

  7. [JAC015] Cogging Torque Analysis of an SPM Motor with a Step Skewed Magnet

    This Application Note presents the use of magnetic field analysis to evaluate the magnetic flux density distribution and cogging torque in each part of an SPM motor with a step sk…

  8. [JAC040] Cogging Torque Analysis of an SPM Motor

    This Application Note presents the use of magnetic field analysis to obtain the cogging torque of an 8-pole, 9-slot SPM motor, which has relatively small period.

  9. [JAC029] Iron Loss Analysis of an SPM Motor with Overhanging Magnet

    This Application Note presents the use of a no-load iron loss analysis of an SPM motor with and without an overhanging magnet.

  10. Magnetization Patterns and Motor Effeciency of the NEOQUENCH-DR

    Takao Yabumi, Daido Steel Co., Ltd.

  11. [JAC021] Iron Loss Analysis of an SPM Motor Including the Effect of Shrink Fitting

    This note presents an analysis to obtain the iron loss density of an SPM motor both including and not including the stress caused by shrink fitting.

  12. Practical Use of Connected Electro-circuit Simulation with Electromagnetic Analysis in the Development of Robot Actuator

    Takeo Kishida, Sony Corporation

  13. Loss Analysis of Rotating Machines Considering Carrier Harmonics

    Katsumi Yamazaki, Chiba Institute of Technology

  14. Automatic and optimum design method of SPMSM

    Kan Akatsu, Tokyo University of Agriculture and Technology

  15. Improvement technique of Cogging Torque for PMSM

    Hideo Dohmeki, Musashi Institute of Technology

  16. Design Method for reducing Cogging Torque

    Mitsutoshi Natsumeda, NEOMAX CO.,LTD.

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