Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Development of a Battery Model for Electric Vehicle Virtual Platform

전기 자동차 가상 플랫폼용 배터리 모델 개발 및 검증

  • Kim, Sunwoo (Graduate School of Mechanical Design.Mechatronics Engineering, Chungnam National University) ;
  • Jo, Jongmin (Department of Electrical Engineering, Chungnam National University) ;
  • Han, Jaeyoung (Department of Mechanical Engineering, Chungnam National University) ;
  • Kim, Sung-Soo (Department of Mechatronics Engineering, Chungnam National University) ;
  • Cha, Hanju (Department of Electrical Engineering, Chungnam National University) ;
  • Yu, Sangseok (Department of Mechanical Engineering, Chungnam National University)
  • 김선우 (충남대학교 대학원 기계설계 메카트로닉스공학과) ;
  • 조종민 (충남대학교 전기공학과) ;
  • 한재영 (충남대학교 기계공학과) ;
  • 김성수 (충남대학교 메카트로닉스공학과) ;
  • 차한주 (충남대학교 전기공학과) ;
  • 유상석 (충남대학교 기계공학과)
  • Received : 2015.01.02
  • Accepted : 2015.05.14
  • Published : 2015.09.01
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Abstract

In this paper, a battery model for electric vehicle virtual platform was developed. A battery model consisted of a battery cell model and battery thermal management system. A battery cell model was developed based on Randles equivalent circuit model. Circuit parameters in the form of 3D map data was obtained by charge-discharge experiment of Li-Polymer battery in various temperature condition. The developed battery cell model was experimentally verified by comparing voltages. Thermal management system model was also developed using heat generator, heat transfer and convection model, and cooling fan. For verification of the developed battery model in vehicle level, the integrated battery model was applied in to EV(electric vehicle) virtual platform, and virtual driving simulation using UDDS velocity profile was conducted. The accuracy of the developed battery model has been verified by comparing the simulation results from EV platform with the experimental data.

Keywords

References

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