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http://dx.doi.org/10.7467/KSAE.2012.20.6.046

Equivalent Consumption Minimization Strategy of Fuel Cell Hybrid Vehicles  

Zheng, Chun-Hua (Department of Mechanical and Aerospace Engineering/SNU-IAMD, Seoul National University)
Park, Yeong-Il (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology)
Lim, Won-Sik (Department of Mechanical and 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.6, 2012 , pp. 46-51 More about this Journal
Abstract
Fuel Cell Hybrid Vehicles (FCHVs) have become a major topic of interest in the automotive industry owing to recent energy supply and environmental problems. Several types of power management strategies have been developed to improve the fuel economy of FCHVs including optimal control strategy based on optimal control theory, rule-based strategy, and equivalent consumption minimization strategy (ECMS). The ECMS is applied in this study. This strategy is based on the heuristic concept that the usage of the electric energy can be exchanged to equivalent fuel consumption. This strategy is known as one of the promising solutions for real-time control of hybrid vehicles. The ECMS for an FCHV is introduced in this paper as well as the equivalent fuel consumption parameter. The relationship between the battery final state of charge (SOC) and the fuel consumption while changing the equivalent fuel consumption parameter is obtained for three different driving cycles. The function of the equivalent fuel consumption parameter is also discussed.
Keywords
Fuel cell hybrid vehicle; Power management strategy; Equivalent consumption minimization strategy; Equivalent fuel consumption parameter;
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