Motor

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  1. [L-MB-36] Highly-Accurate Estimation of Motor Behavior Using Detailed Motor Characteristics Obtained from JMAG-RT

    In order to achieve high responsiveness in motor control, it is necessary to accurately predict the behavior of a running motor. Since motor parameters used in observer models are…

  2. [L-MB-33]Supporting Motor Drive Development with a JMAG-MATLAB/Simulink Coupling

    Together with Mathworks, the company that develops MATLAB/Simulink (hereafter referred to as "Simulink"), JMAG strongly supports model-based development (hereafter referred to as …

  3. [L-MO-29] Creating Efficiency Maps with JMAG (FEA)

    JMAG now offers a tool which uses finite element analysis (FEA) calculations to output an efficiency map. The advantage of using FEA to calculate an efficiency map is accuracy. In…

  4. [L-MU-93] JMAG/Adams/Simulink Coupled Vehicle Drive Simulation

    Generally, it is said that drive motors used in electric cars have less vibration than engines, however, vibration caused by torque ripple may be transmitted to the entire vehicle…

  5. [L-MU-92] JMAG/Particleworks Coupled Motor Cooling Analysis

    Motor temperature control is an important issue. Due to temperature rise, demagnetization occurs in PM motor magnets leading to a loss of high efficiency.

  6. [W-MB-63] Method for Determining the Optimum Resolution of JMAG-RT Model

    In this paper, we present a method to increase the resolution of a JMAG-RT model iteratively while performing system simulation.

  7. [L-MO-89]JMAG-Express Motor Design Tool

    JMAG-Express is a motor design tool that instantly calculates unique motor characteristics in order to output design specifications to meet design requirements. As it uses the fin…

  8. [L-MO-77] Motor Concept Design with JMAG-Express and JMAG-RT Viewer

    Within upstream system designs in a development process, elements that satisfy motor requirements are all roughly determined. This includes the rotor type, the number of poles, th…

  9. [L-MO-90] Detailed Coil Modelling for Motors

    Motors require higher power densities and lowered heights. This calls for high-fidelity simulations that make it possible to view the effects of the detailed geometry of a coil. I…

  10. [W-MA-70] Mesh Modeling for Coil AC Loss Analysis

    In this report, coil AC loss analysis is examined from the perspective of mesh modeling.

  11. [W-MB-65] The Necessity of JMAG-RT 3D Models

    In this paper, the necessity of 3D FEA models in plant model generation will be discussed.

  12. [JAC237] AC Loss Analysis of an IPM Motor

    In this example, we introduce the case study that evaluates AC losses in coils of an IPM motor.

  13. [JAC229] Analysis of the Effect of PWM on the Iron Loss of an Induction Motor

    In this example, we introduce a case study to obtain the iron losses of the induction motor that accounts for the PWM input.

  14. [JAC194] Analysis of High-Speed Rotation Motors Accounting for Eddy Current

    Here we discuss the steps for accounting for eddy current loss occurring in the magnetic steel sheets during a magnetic field analysis, and then analyze the effects on torque.

  15. [JAC191] Torque Analysis of Three-Phase Induction Motors Accounting for the Skew Using the Multi-slice Method

    In this document, the multi-slice method is used to compare torque waveforms of a cage three-phase induction motor with and without skew, and is then used to verify the effects of…

  16. [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.

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