Demagnetization Analysis

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  1. [JAC262] IPM Motor Thermal Demagnetization Analysis with Incomplete Magnetization of Dy Diffusion Magnets

    In this example, a motor using Dy diffused magnets the thermal demagnetization resistance of the Dy diffused magnets with a coercive force distribution when there is incomplete ma…

  2. [JAC222] Irreversible Thermal Demagnetization Analysis of Incompletely Magnetized Magnets

    In this example, analysis is performed while varying the temperature of magnetized magnets, and then the influence on the torque waveform and magnetic flux density distribution is…

  3. A Study of Improving Demagnetization Resistance Performance by JMAG Topology Optimization

    Shogo Shintani, Toshiba Corporation

  4. [W-OP-96] Necessity of GA for Multi-Objective Optimization of Drive Motor

    In this paper, the multi-objective optimization calculation has 12 design variables (8 geometric variables, 4 circuit variables) with 6 objective functions (maximize torque, minim…

  5. [JAC274] SPM Motor Thermal Demagnetization Analysis Using Bonded NdFeB Magnets

    In this example, an SPM motor thermal demagnetization analysis is performed using bonded NdFeB magnets. Both the influence on torque waveforms when changing rotor magnet temperatu…

  6. [JAC225] Induced Voltage Analysis on Memory Motors Using Variable Magnets

    In this example, the change in motor characteristics are checked as the memory motor variable magnet magnetization is changed using the three-phase coil current. One example of mo…

  7. [JAC188] Thermal Demagnetization Analysis of IPM Motors Accounting for Coercive Force Distribution of Magnets

    This example presents whether or not the demagnetization region can be smaller by assigning distribution to the coercive force of permanent magnets.

  8. The Role of JMAG on Powertrain Development

    Albert Li, Gogoro Inc.

  9. Development of Measurement Method of Three-dimensional Demagnetization Distribution in Permanent Magnets for Motors

    Shintaro Araki, Technology Research Association of Magnetic Materials for High-Efficiency Motors (MagHEM)

  10. Verification By Measuring and Analyzing Motor Gap Magnetic Flux Using Sheet State Search Coils

    Hiroyuki Shintani, ESTECH Corporation

  11. 6 kW Axial Flux Motor Based on Soft Magnetic Composites for Hand Held Power Tools

    Cristofaro Pompermaier, Husqvarna Group

  12. From Customer Specification to Prototyping: Three-dimensional Finite Element Simulation for Axial Flux Machines Constructed from Soft Magnetic Composi…

    Steven Jordan, Höganäs AB

  13. COMPARATIVE STUDY OF INDUCTION MACHINE AND PERMANENT MAGNET ASSISTED SYNCHRONOUS RELUCTANCE MACHINE

    Jean-Claude Mipo, VALEO EEM

  14. Thermal Demagnetization Analysis of Neodymium-Iron-Boron Sintered Magnets With Non-Uniform Coercivity Distribution by Diffusing Heavy Rare Earth Eleme…

    Nobuyuki Shimbo, Materials Development Center Technokogy HQ, TDK Corporation

  15. Design and analysis of flux-switching permanent magnet motor (Chinese-only)

    Min-Fu Hsieh, NCKU Electric Motor Technology Research Center

  16. Demagnetization analysis of IPM motor with Dy diffused magnet using JMAG-Designer Ver.13.1

    Mitsutoshi Natsumeda, Hitachi Metals, Ltd.,

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