IPM Motor

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  1. Kanzaki Kokyukoki Mfg. Co.,Ltd.

    Examination of Motor Thermal Evaluation by Combining FEA and Thermal Equivalent Circuit

    Yusuke Nakamura, Kanzaki Kokyukoki Mfg. Co.,Ltd.

  2. Simple Motor Vibration Prediction Method and Vibration Suppression Appropriate Analysis Case Study

    Isamu Nitta, NSK Ltd.

  3. Noise and Vibration Development for a Motor in Drive-Unit Using JMAG and ROMAX

    Takashi Kawaguchi, Honda Motor Co., Ltd.

  4. Application of Multi Optimization Analysis Technology of Magnet Size and Flux Barrier Topology for Automotive Traction Motor

    Yukihiro Yoshinari, Hitachi Astemo, Ltd.

  5. White Papers

    [W-MA-49] Necessity and Approach of Stray Load Loss Analysis

    The main components of loss depend on the operating point. One of these components is stray load loss.

  6. White Papers

    [W-SE-94] Improving Automatic Mesh Generation Speed for 3D Solid Models

    Magnetic field simulation tends to be run as a large-scale analysis lately, being backed by the remarkable performance improvement of the computer. JMAG features a high-performanc…

  7. White Papers

    [W-VI-97] Correlation Analysis for Matching Stiffness between Actual Machine and Analysis Model

    If vibration can be estimated with high accuracy, the cost of prototype and testing can be reduced, and thus the reduction of the overall product development time is achievable.

  8. White Papers

    [W-MA-76] Material Modeling Method for Electromagnetic Field/Iron Loss Analyses Considering Residual Strain

    This paper proposes an electromagnetic field analysis and iron loss analysis based on the assumption that the effect of punching can be expressed as a function of the distance fro…

  9. White Papers

    [W-MO-114] Comparison of Efficiency Map with Measurement

    This document compares an efficiency map obtained with simulations with an efficiency map consisting of actual measurements, achieving an error of 1% or less for entire regions.

  10. White Papers

    [W-MA-67] On the Geometry Edge Effects in Laminated Steel Sheet Eddy Current Loss Analysis

    In this white paper, based on the results of this analysis, the scenarios where the 2D + 1D method degrades accuracy are made clear and issues to be addressed in the future are pr…

  11. White Papers

    [W-OP-119] Global Design Search of Multi-Objective Multi-Constraint Optimization Issues by Narrowing Down Design Spaces

    This document shows a reduction in calculation costs by narrowing down the design space as an optimization calculation pre-process using PM motor optimization issues as an example…

  12. White Papers

    [W-MA-100] Introducing the Detailed Analysis Method for Electromagnetic Steel Sheet for High-Precision Loss-Assessment

    Here, we use a simple example and consider the significance of taking into account the eddy currents and magnetic hysteresis during magnetic field analysis.

  13. White Papers

    [W-OP-166] Sensitivity Study of Configuration of Large Scale Multi-Objective Optimization of a PMSM

    The feasible solution space of large scale multi-objective optimization schemes is sensitive to the configuration (population size, objectives, constraints, and design variables).

  14. White Papers

    [W-MB-167] Motor Plant Model Considering AC Loss for Control Calibration

    Control parameter calibrations on Model-In-the-Loop Simulation (MILS) with Finite Element Analysis (FEA) based motor models is expected to be a standard procedure in the Model-Bas…

  15. White Papers

    [W-MO-164] Investigation in the Accuracy of FEA Based Efficiency Maps for PMSM Traction Machines

    In this report, three methods are compared on a PMSM showing that the accurate version is necessary for advanced applications such as EV. It shows that the accurate version based …

  16. White Papers

    [W-MB-157] Evaluation of the Effect of Resolver Eccentricity on PM Motor Torque Ripple Control

    VR-type resolvers are widely used as angle sensors to control the rotation of traction motors for electric vehicles and hybrid vehicles.

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