Magnetic Field
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[W-SE-95] Improvement in Generation of Three-Dimensional Skin Mesh
We have improved the reliability of skin mesh generation for JMAG-Designer in this work, and thus, its details are introduced in this paper.
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[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…
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[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.
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[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…
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[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.
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[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).
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[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 …
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Takao Kogyo Co., Ltd. / TKE Co., Ltd.
Since its establishment in 1974, Takao Kogyo Co., Ltd. has been manufacturing automotive parts, industrial machinery parts, EV(electric vehicle) parts, and precision machinery par…
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[JAC235] Reactor Core Stray Loss Analysis
In this example, reactor core stray loss is described.
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[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.
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NAGAOKA MOTOR DEVELOPMENT CO., LTD.
Established as a venture company originating from the Nagaoka University of Technology to “help people and companies who have problems with motors”
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ASTER CO., LTD.
AST motor (AST Motor™) was developed based on technology developed for AST coil (AST COIL®), an in-house manufactured product. Aster Co., Ltd. is a…
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[JAC267] IPM Motor Topology Optimization Using the Density Method
Magnetic field and structural coupled analysis is run in this example. While accounting for rotor core strength, topology optimization that uses the density method is used to perf…
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[JAC017] Inductance Analysis of an IPM Motor
This Application Note explains how to obtain the current phase angle characteristics of a dq axis inductance that accounts for magnetic saturation and flux leakage in an IPM motor.
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[JAC138] Vibration Analysis of an SR Motor
This Application Note presents an example of how to obtain the electromagnetic force generated in the stator core of an SR motor and evaluate the sound pressure by linking it to t…
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[JAC223] Multi-Objective Optimization of an IPM Motor Accounting for Stress at High-Speed Rotation
In this example, the optimum current phase that achieves high torque per each geometry is obtained, and the torque characteristics (1,000 r/min) and stress due to centrifugal forc…
