한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제21권4호
  • /
  • Pages.8-15
  • /
  • 2013
  • /
  • 1225-6382(pISSN)
  • /
  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
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차량 동역학 기반 다축 동력 전기 차량의 부하 최적화 로직 개발

Development of Optimization Logic for Electric Vehicle with Multiple Axle Power System Based on Vehicle Dynamics

  • 정종렬 (서울대학교 기계항공공학부) ;
  • 신창우 (서울대학교 기계항공공학부) ;
  • 임원식 (서울과학기술대학교 기계자동차공학과) ;
  • 차석원 (서울대학교 기계항공공학부) ;
  • 장명언 (국방과학연구소 제5기술연구본부)
  • Jeong, Jongryeol (School of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Shin, Changwoo (School of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Lim, Wonsik (Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology) ;
  • Cha, Suk Won (School of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Jang, Myeong Eon (The 5th R&D Institute, Agency for Defense Development)
  • 투고 : 2011.10.31
  • 심사 : 2012.12.31
  • 발행 : 2013.07.01
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초록

Recently many kinds of electric vehicles have been developed as many governments demand the environmental friendly vehicles. In this paper, study of load optimization for the electric vehicle which has multiple axle power system was conducted. For the analysis of the vehicle which has three or four driving axles, a method based on the geometry and assumptions that considering axles as a spring model and normal forces of the axles are proportional to the displacement of the axles was applied with basic vehicle dynamics. With the developed vehicle analysis technique, algorithm to find the optimal motor operating points was developed. Using this algorithm, it was possible to find the optimization of vehicle load distribution for multiple axles according to the driving cycles. Also, control logic for the vehicle can be developed based on the optimization simulation results.

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참고문헌

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