| 제목 |
ENERGY MANAGEMENT STRATEGY OF PLUG-IN HYBRID ELECTRIC VEHICLES CONSIDERING THERMAL CHARACTERISTICS
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| 분야 |
Electric, Fuel Cell, and Hybrid Vehicle |
| 언어 |
English |
| 저자 |
Dafeng Song(Jilin University), Daokun Bi(Jilin University), Xiaohua Zeng(Jilin University), Shiyuan Wang (Jilin University) |
| Key Words |
Plug-in hybrid electric vehicle, Thermal management system (TMS), Adaptive equivalent consumption minimization strategy with thermal characteristics (TAECMS) |
| 초록 |
In order to explore the influence of the thermal management system (TMS) on vehicle energy management and tap the energy saving potential of TMS, this study establishes a vehicle energy management strategy control model oriented to reduce energy consumption of the TMS based on MATLAB/Simulink for a plug-in hybrid electric vehicle with planetary hybrid configuration. Firstly, a simulation model of vehicle dynamic machine - electric - thermal coupling working process is introduced, to evaluate the impact of TMS in the high and low temperature environment on energy consumption of the vehicle running. Then, based on the equivalent fuel consumption minimum strategy (ECMS) and considering the influence of TMS on energy consumption, an adaptive equivalent consumption minimum strategy model considering thermal characteristics (TAECMS) is established, which propose an improved adaptive equivalent factor adjustment method considering the thermal characteristics of the system is proposed. By establishing the Hamiltonian function to achieve the goal of minimum equivalent fuel consumption, considering the temperature penalty, the power of the engine and the power of the battery is reasonably allocated. Finally, the TAECMS control strategy achieves fuel saving of 6.2 % and 8.4 % respectively in high and low temperature environments through simulation verification and comparison.
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