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  1. [L-MB-30] Accurately Identifying Motor Characteristics During Control with JMAG-RT

    In general, the characteristics of motor models used in control circuit simulation of a motor drive system are often assumed to be constant when the motor is in drive mode.

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

    Taking the traction motor, auxiliary motor, and reactor as models to be analyzed, presented in this report is the performance for simultaneously running 100 cases by using Power S…

  3. [L-MU-169] Comparing Thermal Circuit Modeling with Experimental Result for an Axial Gap Motor

    Comparison of a thermal circuit model with experimental results has been performed in this leaflet. In the thermal circuit, thermal characteristics of each parts are modelled by a…

  4. [L-HU-168] Fast Solving of Large Scale Model Using Massive Parallel Processing

    One option for accurate loss analysis is 3D analysis. However, the number of elements often reaches into the millions, limiting its use in terms of calculation cost. In order to i…

  5. [L-MO-09] Easily Creating Complex Coil Ends Geometry in a Template

    The introduction of square wire coils and higher motor speeds no longer allow coil AC losses to be ignored as a loss factor. Coil AC losses are caused by the skin effect and prox…

  6. [L-OP-25] Utilizing JMAG in Cloud Services

    More cloud services for CAE continue to be offered. This allows sufficient computational resources to be used when needed to perform analysis work.

  7. [L-OP-34] Using MATLAB’s Optimization Engine in JMAG

    MATLAB is widely used in the engineering field, and the MATLAB Global Optimization Toolbox is often used for optimization calculations also.

  8. [L-HU-08] Complex 3D Models to FEA Models Within Short Timeframes

    Amounts of processing required will increase proportionately to the number of parts. By applying parallel processing, mesher processing speed increases, and mesh generation time i…

  9. [L-MA-04] New & Improved Iron Loss Analysis Function

    When performing iron loss analysis, it is necessary to select optimal methods accounting for the likes of analysis targets, objectives, accuracy, types of usable data, and more.

  10. [L-HU-01] High Performance Parallel Solver Analyzing Complex Phenomena in Rotating Machines As Is

    JMAG's high parallel solver exhibits high performance and has answers to a wide range of problems for in practice.

  11. [L-MU-110] Reaching Steady-State at an Early Stage Using a Control Circuit Containing a JMAG-RT Model

    Many motor performance evaluations are performed at steady-state. If transients occur during control/circuit coupling, it is necessary to calculate the number of electrical angle …

  12. [L-MO-115] Performance Evaluation of Induction Motors Using Efficiency Maps

    To analyze an induction motor's maximum efficiency, the voltage and slip is varied to find the combination with the highest efficiency.

  13. [L-SE-117] Dealing with Non-Conforming Mesh

    In an analysis using FEA, the motion region and stationary region connection surface meshes are made to conform. To do this the step displacement is adjusted to be an integral mul…

  14. [L-SE-116] Accuracy Improvement of Electromagnetic Force Calculation Using Correction

    In precision equipment analysis that requires high accuracy of operation, high accuracy is also required for the minute electromagnetic force generated by leakage flux and so on.

  15. [L-OP-109] Exploration of New Ideas Using Topology Optimization

    The requirements for motor design are getting more advanced, satisfying torque ripple, line voltage limit, stress of core, as well as maximize the torque at low and high speeds. I…

  16. [L-MO-108] Motor Performance Evaluation Considering Control

    At the motor component design stage, motor performance is evaluated using an ideal sinusoidal current.

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