Motor
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[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…
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[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.
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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-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…
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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-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…
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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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[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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[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.
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[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.
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[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.
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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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[W-MB-153] Accuracy and Speed Verification of Motor Plant Models Accounting for Spatial Harmonics
This document uses JMAG-RT, which is a type of plant model, to show the relationship between the resolution and accuracy of each axis (mechanical angle, current amplitude, and cur…
