Circuit / Control

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  1. [W-MB-102] Motor Efficiency Map Evaluation for Model-Based Development (MBD) Using FEA Simulation

    In MBD, it is necessary to evaluate devices characteristics without having to wait for the manufacturing of a prototype.

  2. [W-SE-113] Reduction of calculation time using Equivalent Circuit model

    In electrical machine design, the use of coupled analysis between the electromagnetic FEA and the motor drive control circuit is necessary in order to have an understanding of the…

  3. [W-MO-114] FEA efficiency map compared to measurements

    In this paper, we compare the simulation-based efficiency map and the actually-measured efficiency map, and analyze the difference between the two efficiency maps and the factors …

  4. [L-MO-105] System Design with Model-based Efficiency Map (Speed Priority Mode)

    Electrical Vehicle drive require high efficiency of 95% or more over a wide operating range.

  5. [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 …

  6. [L-MO-106] Prototype and Performance Evaluation with Model-based Efficiency Map (Accuracy Priority Mode)

    The maximum efficiency of the drive motor for EV vehicles exceeds 95%. As further efficiency improvement is in the order of 1%, the efficiency error with the actual machine in the…

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

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

  8. 215 – Simulation of an IPM Motor with a Delta Connection Using a Control Simulator and JMAG-RT

    In this example, a JMAG-RT model is incorporated into a control/circuit simulator to monitor the circulating current when an IPM motor is being driven.

  9. 255 – Evaluating the N-T Curve of an IPM motor Using 3D Correction

    In this example, obtains N-T curves using the correction function.

  10. [W-MB-66] Accuracy Improvements in the JMAG-RT Induction Machine Model

    In this paper, improvements in the accuracy of induction machine plant models when applied to automobile drive motors are discussed.

  11. [W-MB-64] Modeling Loss in JMAG-RT

    In this paper, we explain how loss is modeled in a JMAG-RT model.

  12. [W-MO-85] Efficiency Map Evaluations Considering Harmonic Loss

    In this paper, we propose a method that combines two approaches to calculate the efficiency at various operating points considering the influence of time harmonics and other effec…

  13. Electromagnetic Force Analysis of Permanent Magnet Synchronous Motor Driven by PWM Inverter

    Katsuhiro Hoshino, Hitachi Automotive Systems, Ltd.

  14. JMAG-RT Case Studies Using 3D Analysis

    Natsumi Tamura, Mitsuba Corporation

  15. Low Oscillation Actuator for Force-controlled Medical Robot Arm

    Tetsuharu Fukushima, Sony Imaging Products & Solutions Inc.

  16. 214 – Monitoring the Radial Force Acting on the Teeth of IPM Motors Using Circuit Control Simulation

    In this example, an IPM motor as a JMAG-RT model is captured in a control/circuit simulator, and radial forces acting on the teeth during motor driving is monitored while changing…

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