Heeyun Lee

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For providing drivers with robust traffic information and Optimizing the energy management of Hybrid Electric Vehicles (HEVs), it is important to predict traffic information accurately with past traffic information. As acquisition of the traffic information have been easier by the development of Intelligent Transportation System (ITS), active study on(More)
This paper is concerned with power management strategy of hybrid electric vehicle. Dynamic programming based power split ratio line control strategy is studied for parallel type hybrid electric vehicle to improve fuel economy performance. Dynamic programming, one of the optimization based control strategy, is powerful tool to provide optimal solution for(More)
A PHEV powertrain using gears instead of transmission is discussed in this paper. Because a transmission or planetary gear ratio is usually given, there is no need to consider gear ratio in component sizing process. In this case, however, gear ratios are not given. These ratios are a critical factor for fuel economy. So component sizing optimization is(More)
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