TR
Transient Magnetic (3D)
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[JAC015] Cogging Torque Analysis of an SPM Motor with a Step Skewed Magnet
This Application Note presents the use of magnetic field analysis to evaluate the magnetic flux density distribution and cogging torque in each part of an SPM motor with a step sk…
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[JAC029] Iron Loss Analysis of an SPM Motor with Overhanging Magnet
This Application Note presents the use of a no-load iron loss analysis of an SPM motor with and without an overhanging magnet.
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[JAC039] Torque Analysis of a Three Phase Induction Motor Accounting for the Skew
This Application Note presents a comparison of the torque waveforms of three phase squirrel cage induction motors with and without torque, and introduces the effects of using skew…
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[JAC027] Head Field Analysis of a Recording Write Head That Accounts for Eddy Currents
This Application Note shows how to obtain the responsiveness of recording head field that is generated in the magnetic head.
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[JAC028] Magnetic Field Analysis of a Speed Sensor
This Application Note presents the use of magnetic field analysis to evaluate the variation of the voltage signal of a magnetic speed sensor for a range of air gap distances.
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[JAC016] Analysis of a Hybrid Stepper Motor
This document introduces how the detent torque and stiffness torque can be calculated for a hybrid stepper motor.
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[JAC011] Pull-in/pull-out Analysis of a PM Stepper Motor Using a Control Simulator and the JMAG-RT
This note presents how JMAG-RT can be used to calculate holding torque and coil inductance that varies with current. The result is the JMAG-RT motor model used as a reference for …
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[JAC008] Analysis of an Axial Gap Motor
In this example, how to use JMAG's 3D magnetic field analysis to carry out a load analysis of an axial gap motor, and then obtain the Torque-Speed curve and the Torque-Current cur…
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[JAC004] Sound Pressure Analysis of a Reactor
This Application Note shows an example of an evaluation of a reactor’s sound pressure when a part of a spacer has been removed.
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[JAC002] Cogging Analysis of a PM Linear Motor
This note presents how to obtain cogging torque, a cause of thrust variation, and evaluate the thrust force and attraction force during drive.
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[JAC001] Torque Characteristic Analysis of a Three Phase Induction Motor
This Application Note introduces a case example of how to obtain the current density distribution of an auxiliary conductor and its rotation speed versus torque characteristics.
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[JAC009] Sound Pressure Analysis of a Loudspeaker
This Application Note presents how the frequency characteristics of sound pressure can be obtained using the constant Lorenz force on the voice coil, regardless of the frequency.
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[JAC018] Thermal Analysis of a Motor
In this example, how to evaluate a motor's temperature distribution by creating a thermal analysis model that can investigate the loss analysis and temperature distribution in ord…
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[JAC010] Thermal Analysis of a Radiant Heater
This Application Note explains how to carry out a thermal analysis using the thermal radiation phenomenon between a heater and a heated body to obtain the differences in temperatu…
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[JAC007] Analysis of a Spindle Motor
In this example, how the Speed-Torque curve, the Torque-Current curve and the magnetic flux density distribution of a spindle motor can be obtained.
