IPM Motor

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

    As rotating machines increase in speed and geometries become more complicated, prediction of performance by loss calculations become increasingly important.

  2. [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…

  3. [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.

  4. [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…

  5. [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).

  6. [W-OP-165] Solving Geometry Conflicts in GA Optimizations with Large Numbers of Geometric Parameters

    Genetic Algorithm (GA) based optimization with finite element analysis is expected to become a solution for the high performance motor designs which need to satisfy many strict re…

  7. [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…

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

    The efficiency map is an indispensable tool for motor development and FEA has become widely used to create them instead of using measurements.

  9. [L-SE-163] High Performance Massive Case Calculations

    OverviewTo further improve the performance of electro-mechanical machine, which has many requirements, it is necessary to evaluate in detail many design factors or combinations, s…

  10. [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.

  11. [W-MB-151] Accuracy of Motor Plant Model Required for Control Calibration

    Control calibration is time-consuming work because it is carried out for every operating point using the actual machine.

  12. [W-MB-155] Accuracy of 6-Phase Motor Plant Models for Detecting Faults at Disconnections

    Multiphase motors have become widely used, and a fail-safe function can be realized by providing a system with redundancy.

  13. [W-MB-152] Accuracy of Motor Plant Model Required for ECU testing

    ECU testing is performed under various conditions from the normal to the abnormal system.

  14. [W-SE-99] High Speed Magnetic Field Analysis with SMP Solver

    The parallel solver is one way to run magnetic field analysis at high speed. JMAG has an SMP-parallel solver that can easily be used with a single click on the computer.

  15. [W-MB-153] Accuracy and Speed Verification of Motor Plant Models Accounting for Spatial Harmonics

    In order to improve the accuracy of motor plant models, it is necessary to account for the spatial harmonics. That accuracy strongly depends on the resolution when generating the …

  16. [W-MB-156] Improving Motor Plant Model Accuracy by Accounting for Harmonic Iron Loss

    Because of the acceleration of the motor and the effect of the PWM drive, it is becoming more important to account for loss in order to improve accuracy even for analysis using mo…

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