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混聯(lián)型混合動力汽車能量管理策略優(yōu)
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of Energy Management Strategy for a Parallel-series HEV
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    摘要:

    對一種混聯(lián)型混合動力系統(tǒng)運行工況進行了分析,?；诎l(fā)動機,、電機和蓄電池的效率圖,，建立了混聯(lián)型混合動力汽車充電工況和放電工況的系統(tǒng)效率模型。放電工況以系統(tǒng)放電效率最大為優(yōu)化目標,，充電工況根據(jù)蓄電池荷電狀態(tài)不同,，分別以系統(tǒng)充電效率最大、系統(tǒng)充電效率與充電功率乘積最大為優(yōu)化目標,，對混合動力系統(tǒng)能量管理策略進行了優(yōu)化研究,，獲得了 汽車在不同運行條件下的發(fā)動機,、電動機和發(fā)電機的最優(yōu)控制轉(zhuǎn)矩及轉(zhuǎn)速。燃油經(jīng)濟性仿真 結(jié)果顯示,，該混合動力系統(tǒng)在NEDC循環(huán)工況下的整車燃油消耗降低

    Abstract:

    36.95%,。The driving modes of a parallel-series hybrid electric vehicle (HEV) were analyzed. The system efficiency models for the HEV at the charging and discharging mode were proposed based upon the engine efficiency map, motor/generator efficiency map and battery efficiency map. The optimization of energy management strategy for the hybrid system was studied, whose optimization target is the maximum of discharging efficiency at the discharging mode, and the maximum of charging efficiency, the maximum of charging efficiency and charging power at the charging mode with the different state of charge of battery, and the optimal control torque and speed for engine, motor and generator were obtained under the different driving conditions. The simulation of fuel economy shows that the decreasing ratio of fuel consumption of the hybrid system reaches 36.95%.

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舒紅,劉文杰,袁景敏,高銀平.混聯(lián)型混合動力汽車能量管理策略優(yōu)[J].農(nóng)業(yè)機械學報,2009,40(3):31-35. of Energy Management Strategy for a Parallel-series HEV[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(3):31-35.

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