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http://dx.doi.org/10.7467/KSAE.2012.20.4.103

Comparison of Rule-based Power Management Strategy and Optimal Control Strategy in Fuel Cell Hybrid Vehicles  

Zheng, Chun-Hua (Department of Mechanical and Aerospace Engineering/SNU-IAMD, Seoul National University)
Park, Yeong-Il (School of Mechanical Design and Automation Engineering, Seoul National University of Science and Technology)
Lim, Won-Sik (Department of Automotive Engineering, Seoul National University of Science and Technology)
Cha, Suk-Won (Department of Mechanical and Aerospace Engineering/SNU-IAMD, Seoul National University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.20, no.4, 2012 , pp. 103-108 More about this Journal
Abstract
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.
Keywords
Fuel cell hybrid vehicle; Fuel economy evaluation; Rulebased power management strategy; Optimal line;
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