PMP-based Power Management Strategy for Two-State Variable FCHV Systems and its Optimality

被引:4
|
作者
Zheng, Chunhua [1 ,2 ]
Xu, Guoqing [1 ,2 ]
Cha, Suk Won [3 ]
Park, Yeong-il [4 ]
Lim, Wonsik [5 ]
机构
[1] Chinese Acad Sci, Shenzhen Univ Town, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China
[2] Chinese Univ Hong Kong, Dept Mech & Automat Engn, Hong Kong, Hong Kong, Peoples R China
[3] Seoul Natl Univ, Sch Mech & Aerosp Engn SNU IAMD, Seoul 151742, South Korea
[4] Seoul Natl Univ Sci & Technol, Dept Mech Syst Design Engn, Seoul 139743, South Korea
[5] Seoul Natl Univ Sci & Technol, Dept Mech & Automot Engn, Seoul 139743, South Korea
基金
中国国家自然科学基金; 新加坡国家研究基金会;
关键词
Fuel cell hybrid vehicle; Optimality; Pontryagin's minimum principle; Power management strategy; Two-state variable system; PONTRYAGINS MINIMUM PRINCIPLE; ENERGY MANAGEMENT; HYBRID; MODELS; SPLIT;
D O I
10.1007/s12541-014-0398-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The battery temperature affects the total fuel consumption in a hybrid vehicle, as it influences the battery efficiency and further influences the powertrain efficiency. In this research, a Pontryagin's Minimum Principle (PMP)-based optimal control problem for a fuel cell hybrid vehicle (FCHV) is formulated in which the battery temperature is designated as a second-state variable other than the battery state of charge (SOC). Moreover, optimality of the two-state variable PMP-based power management strategy is discussed based on a conclusion derived from previous research. Simulation results of the PMP-based strategy are compared to those of Dynamic Programming (DP) approach. It is concluded from this research that the two-state variable PMP-based power management strategy guarantees global optimality under certain battery assumptions. Meanwhile, the proposed strategy saves much time compared to DP approach.
引用
收藏
页码:769 / 776
页数:8
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