Demagnetization Analysis

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  1. The Role of JMAG on Powertrain Development

    Albert Li, Gogoro Inc.

  2. [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.

  3. Development of High-Power-Density Machines for Aircraft Applications

    Dheeraj Bobba, University of Wisconsin-Madison

  4. [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…

  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. [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…

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

    Shogo Shintani, Toshiba Corporation

  8. [JAC262] IPM Motor Thermal Demagnetization Analysis Accounting for Dy-Diffusion Magnet Incomplete Magnetization

    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…

  9. Nabtesco Corporation

    Motor Design Study Using Optimization and Thermal Simulation Functions

    Keigo Nakamura, Nabtesco Corporation

  10. [JAC034] Demagnetization Analysis of an SPM Motor

    This note presents the use of a magnetic field analysis to evaluate the demagnetizing ratio distribution of an of an SPM motor by changing the current flow.

  11. [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…

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