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Real-Time 2010 June 27-30, 2010 Paris, France

JMAG-RT: A General and Accurate Motor Model for Real-time Simulation of Motor Drives Takashi Yamada JSOL Corporation jmag-international.com. Real-Time 2010 June 27-30, 2010 Paris, France. About US Today’s Electric Machine Design HILS and Machine Design JMAG-RT for HILS

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Real-Time 2010 June 27-30, 2010 Paris, France

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  1. JMAG-RT: A General and Accurate Motor Model for Real-time Simulation of Motor DrivesTakashi YamadaJSOL Corporationjmag-international.com Real-Time 2010June 27-30, 2010 Paris, France

  2. About US Today’s Electric Machine Design HILS and Machine Design JMAG-RT for HILS Evolution of JMAG-RT Summary Contents

  3. JSOL Employees ：1,300 Offices ：Tokyo, Osaka, Nagoya, Sapporo Businesses ：IT consulting, System integration, CAE Computer Aided Engineering (CAE)Business Mechanical LS-DYNA JSTAMP Fluid flow AcuSolve Electromagnetic JMAG EMC Studio About US

  4. Today’s Electrical Machine Design Requirements for electrical motors are becoming so high; very powerful, very efficient and very low cost. Electric motors are a mature product with over 100 years of history that are difficult to innovate. To achieve this goal, most efforts are focused in the details.

  5. Today’s Electrical Machine Design Small changes to detail have worked, e.g. modifying shapes of cores and using fine structures have realized higher performance. M. Kaizuka, “Development of 2005 Model Year ACCORD Hybrid”, JMAG Users Conference 2005 A.Takehara, “Development and Challenges of Motors for Toyota’s Hybrid Vehicles”, JMAG Users Conference 2009

  6. HILS and the Machine Design Why are machine designs’ efforts ignored? Simple inductance (Ld-Lq) models can NEVER capture the behavior of the machine. The behavior model can be composed from measurements. However, the value of simulation is evaluating things without ‘real’ systems or devices.

  7. JMAG-RT for HILS A solution is use of FEA which can capture the details and predict characteristics without having ‘real’ machines. JMAG uses JMAG-RT to automatically generate accurate motor models by extracting characteristics of the motor in FEA. JMAG-RT runs in SILS/HILS. C. Dufour et al, “Modern Hardware-In-the-Loop Simulation Technology for Fuel Cell Hybrid Electric Vehicles”, JMAG users conference 2007

  8. Evolution of JMAG-RT ISSUES More accurate models are required. Today’s machines have higher energy density and higher magnetic saturation that leads to more complex behavior than before. Who will make JMAG-RT? We know… HILS people hate FEA. FEA people are not so cooperative for HILS.

  9. Evolution of JMAG-RT ‘More accurate models are required.’ The higher accuracy can be achieved with the latest version of JMAG-RT. It captures slot-harmonics under magnetic saturation to reproduce accurate torque, current and voltage.

  10. Evolution of JMAG-RT ‘Who will make JMAG-RT?’ JMAG-Express is now available. You can make your own JMAG-RT models in JMAG-Express without any FEA skill or knowledge.

  11. Evolution of JMAG-RT Current developments Loss models Temperature dependency Induction machines

  12. Summary An electric motor is a key component for P.E. systems and is evolving with ‘innovative’ ideas. The innovative ideas are implemented in details which have been ignored in HILS. JMAG FEA provides an accurate motor model, JMAG-RT,which can represent those details. The latest version of JMAG-RT works well for today’s high energy density machines. JMAG-RT is continuously enhanced to respond to market demands.

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