Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Component Sizing for the Hybrid Electric Vehicle (HEV) of Our Own Making Using Dynamic Programming

동적계획법을 이용한 자작 하이브리드 자동차의 용량 매칭

  • Kim, Gisu (Department of Mechanical System and Design Engineering, Seoul National University of Science and Technology) ;
  • Kim, Jinseong (Department of Mechanical System and Design Engineering, Seoul National University of Science and Technology) ;
  • Park, Yeong-il (Department of Mechanical System and Design Engineering, Seoul National University of Science and Technology)
  • Received : 2015.08.31
  • Accepted : 2015.09.25
  • Published : 2015.10.15
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Abstract

Generally, the fuel economy of hybrid electric vehicle (HEV) is effected by the size of each component. In this study the fuel economy for HEV of our own making is evaluated using backward simulator, where dynamic programming is applied. In a competition, the vehicle is running through the road course that includes many speed bumps and steep grade. Therefore, the new driving cycle including road grade is developed for the simulation. The backward simulator is also developed through modeling each component. A performance map of engine and motor for component sizing is made from the existing engine map and motor map adapted to the HEV of our own making. For optimal component sizing, the feasible region is defined by restricting the power range of power sources. Optimal component size for best fuel economy is obtained within the feasible region through the backward simulation.

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References

  1. Lee, D. H., Jeong, J. Y., Shin, C. W., Park, Y. I., Cha, S. W., 2009, Component Sizing of A Heavy-duty Hybrid System Using Optimal Control Method, Proceeding of KSAE Annual Conference, 2893-2898.
  2. Kim, J. S., Kim, G. S., Shin, J. H., Park, Y. I., 2015, Driving Simulation for Hybrid Electric Vehicle of Our Own Making, Proccedings of the 6th International Conference on Manufacturing, Machine Design and Tribology, 15-204 400-401.
  3. Kim, G. S., Kim, J. S., Park, Y. I., 2015, Analysis of Driving Strategy for Racing Hybrid Vehicle of Our Own Making Using Power Distribution Ratio, Proceeding of KSAE Annual Conference, 989-989.
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