基于动态规划的E-REV能量管理策略研究
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摘要
增程式电动汽车动力来源于增程器与动力电池,车辆运行过程中如何在两者之间分配需求功率,使得整车在行驶过程中燃油经济性最好,是增程式电动汽车能量管理策略核心的问题.提出一种基于动态规划的增程式电动汽车能量管理策略,运用动态规划对整个工况增程器与动力电池输出功率分配比例进行优化.欧洲标准行驶工况(NEDC)组合行驶工况的仿真结果表明:相比实车采用的恒温器式控制策略,基于动态规划的能量管理策略整车燃油经济性提高12.6%.
Range-extender and battery are the main energy sources for Extended-Range Electric Vehicle(E-REV).In order to improve fuel economy,the power demand distribution between range-extender and batteryare the main problem for energy management strategy.This paper considers an energy management strategy for E-REV using dynamic programming,which optimize the power split between range extender and battery under whole driving cycle.Simulation results using combined New European Driving Cycle(NEDC)cycles show that the proposed control strategy has improved fuel economy about 12.6%compared to that of the thermostat control strategy.
Range-extender and battery are the main energy sources for Extended-Range Electric Vehicle(E-REV).In order to improve fuel economy,the power demand distribution between range-extender and batteryare the main problem for energy management strategy.This paper considers an energy management strategy for E-REV using dynamic programming,which optimize the power split between range extender and battery under whole driving cycle.Simulation results using combined New European Driving Cycle(NEDC)cycles show that the proposed control strategy has improved fuel economy about 12.6%compared to that of the thermostat control strategy.
引文
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[10]邹渊,侯仕杰,韩尔樑,等.基于动态规划的混合动力商用车能量管理策略优化[J].汽车工程,2012,34(8):663-668.ZOU Yuan,HOU Shijie,HAN Erliang,et al.Dynamic programming-based energy management strategy optimization for hybrid electric commercial vehicle[J].Automotive Engineering,2012,34(8):663-668.(in Chinese)
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[12]轻型混合动力电动汽车能量消耗量试验方法:GB/T17953—2005[S].2005.Test methods for energy consumption of light-duty hybrid electric vehicles:GB/T 17953—2005[S].2005.(in Chinese)
[2]靳彪,张欣,杨庆宝.纯电动汽车低速转向差速控制模型[J].北京交通大学学报,2013,37(4):158-161.JIN Biao,ZHANG Xin,YANG Qingbao.Low speed steering differential control model for pure electric vehicle[J].Journal of Beijing Jiaotong University,2013,37(4):158-161.(in Chinese)
[3]TATE E,HARPSTER M O,SAVAGIAN P J.The electrification of the automobile:from conventional hybrid,to plug-in hybrids,to extended-range electric vehicles[J].SAE International Journal of Passenger CarsElectronic and Electrical Systems,2009,1(1):156-166.
[4]牛继高,司璐璐,周苏,等.增程式电动汽车能量控制策略的仿真分析[J].上海交通大学学报,2014,48(1):141-145.NIU Jigao,SI Lulu,ZHOU Su,et al.Simulation analysis of energy control strategy for an extended-range electric vehicle[J].Journal of Shanghai Jiaotong University,2014,48(1):141-145.(in Chinese)
[5]MATTHE R,TURNER L,METTLACH H.VOLTEC battery system for electric vehicle with extended range[J].SAE International Journal of Engines,2011,4(1):1944-1962.
[6]BASSETT M,FRASER N,BROOKS T,et al.A study of fuel converter requirements for an extended-range electric vehicle[J].SAE International Journal of Engines,2010,3(1):631-654.
[7]顾杰.增程式电动汽车能量管理策略研究[D].合肥:合肥工业大学,2013.GU Jie.A study on energy management control strategy for extend rangeelectric vehicle[D].Hefei:Hefei University of Technology,2013.(in Chinese)
[8]TORRES J L,GONZALEZ R,GIMENEZ A,et al.Energy management strategy for plug-in hybrid electric vehicles:A comparative study[J].Applied Energy,2014,113(6):816-824.
[9]申彩英,夏超英.基于改进型动态规划的串联混合动力汽车控制策略[J].控制理论与应用,2011,28(3):427-432.SHEN Caiying,XIA Chaoying.Control strategy of series hybrid electric vehicle based on improved dynamic programming[J].Control Theory&Applications,2011,28(3):427-432.(in Chinese)
[10]邹渊,侯仕杰,韩尔樑,等.基于动态规划的混合动力商用车能量管理策略优化[J].汽车工程,2012,34(8):663-668.ZOU Yuan,HOU Shijie,HAN Erliang,et al.Dynamic programming-based energy management strategy optimization for hybrid electric commercial vehicle[J].Automotive Engineering,2012,34(8):663-668.(in Chinese)
[11]CHEN B C,WU Y Y,TSAI H C.Design and analysis of power management strategy for range extended electric vehicle using dynamic programming[J].Applied Energy,2014,113(1):1764-1774.
[12]轻型混合动力电动汽车能量消耗量试验方法:GB/T17953—2005[S].2005.Test methods for energy consumption of light-duty hybrid electric vehicles:GB/T 17953—2005[S].2005.(in Chinese)