• Title/Summary/Keyword: Rulebased power management strategy

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Comparison of Rule-based Power Management Strategy and Optimal Control Strategy in Fuel Cell Hybrid Vehicles (연료전지 하이브리드 자동차의 룰 베이스 전략과 최적 제어 전략의 비교)

  • Zheng, Chun-Hua;Park, Yeong-Il;Lim, Won-Sik;Cha, Suk-Won
    • Transactions of the Korean Society of Automotive Engineers
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    • v.20 no.4
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    • pp.103-108
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    • 2012
  • Fuel economy is an important factor in a vehicle owing to recent energy supply and environmental problems. This paper deals with fuel cell hybrid vehicles (FCHVs) and introduces a fuel economy evaluation method. The fuel economy of an FCHV depends on its power management strategy. Two rule-based power management strategies are applied to this paper and their fuel economy is evaluated based on the optimal control theory. The concept of the optimal line is also applied to this paper, which is used to compare the fuel consumption of a power management strategy to the optimal result. The two rule-based strategies are also compared to each other.