Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Analysis of Correlation of Fuel Efficiency and Cost Depending on Component Size of Heavy-duty Parallel Hybrid System

상용 병렬형 하이브리드 시스템의 동력원 용량에 따른 연비 및 비용의 상관관계 분석

  • Jeong, Jong-Ryeol (School of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Lee, Dae-Heung (School of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Shin, Chang-Woo (School of Mechanical & Aerospace Engineering, Seoul National University) ;
  • Lim, Won-Sik (Department of Automotive Engineering, Seoul National University of Science and Technology) ;
  • Park, Yeong-Il (School of Mechanical Design and Automation Engineering, Seoul National Universtiy of Science and Technology) ;
  • Cha, Suk-Won (School of Mechanical & Aerospace Engineering, Seoul National University)
  • 정종렬 (서울대학교 기계항공공학부) ;
  • 이대흥 (서울대학교 기계항공공학부) ;
  • 신창우 (서울대학교 기계항공공학부) ;
  • 임원식 (서울과학기술대학교 자동차공학과) ;
  • 박영일 (서울과학기술대학교 기계설계자동화공학부) ;
  • 차석원 (서울대학교 기계항공공학부)
  • Received : 2010.06.01
  • Accepted : 2010.11.29
  • Published : 2011.05.01
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Abstract

Most of countries start to restrict the emission gases of vehicles especially CO2 because of the global warming. Many vehicle companies including Toyota have launched various HEVs to satisfy the restriction laws and to improve the vehicle's efficiency. However, development for heavy-duty hybrid system is not plentiful rather than the passenger car. In this study, we choose the optimal size of engine, motor and battery for heavy-duty hybrid systems using dynamic programming. Also we analyze the correlation of the system's cost and efficiency because the added cost of vehicle to make the hybrid system is very important factor for the manufacturing companies. Finally, this study suggests a method to choose the appropriate system components size considering its performance and the cost. With this method, it is possible to select the component size for various systems.

Keywords

References

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