插电式混合动力客车能量管理最优控制实验研究
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摘要
为研究混合动力客车动力电池容量衰减、使用寿命缩短的问题,在插电式混合动力客车整车动力系统结构基础上,选取混合度作为性能表征参数,提出一种基于整车工况识别的动态规划能量管理策略。以插电式混合动力客车为实验对象,对能量管理策略适用性进行实验验证。实验结果表明:基于整车工况识别的动态规划能量管理策略能够有效地减缓动力电池容量衰减,提高汽车续驶里程。
In view of the problems about the power battery capacity attenuation and service life shortening of the hybrid electric bus,a dynamic programming energy management strategy based on vehicle condition identification is proposed by choosing the hybrid degree as performance characterization parameter on the basis of power system structure of the plug-in hybrid electric bus.The applicability of the energy management strategy is verified by experiments on gas-electric hybrid bus.The experimental results show that the dynamic programming energy management strategy based on vehicle condition identification can effectively slow down the power battery capacity attenuation and improve vehicle driving mileage.
In view of the problems about the power battery capacity attenuation and service life shortening of the hybrid electric bus,a dynamic programming energy management strategy based on vehicle condition identification is proposed by choosing the hybrid degree as performance characterization parameter on the basis of power system structure of the plug-in hybrid electric bus.The applicability of the energy management strategy is verified by experiments on gas-electric hybrid bus.The experimental results show that the dynamic programming energy management strategy based on vehicle condition identification can effectively slow down the power battery capacity attenuation and improve vehicle driving mileage.
引文
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[3]秦大同,赵新庆,苏岭,等.插电式混合动力汽车变参数能量管理策略[J].中国公路学报,2015,28(2):112-118.
[4]谢海明,黄勇,王静,等.插电式混合动力汽车能量管理策略综述[J].重庆理工大学学报(自然科学),2015,29(7):1-9.
[5]张博,李君,高莹,等.Plug-in混合动力汽车能量管理策略全局优化研究[J].中国机械工程,2010,21(6):715-720.
[6]徐小东,张冰战.基于模糊逻辑的混合动力汽车控制策略研究[J].合肥工业大学学报(自然科学版),2012,35(6):725-728.
[7]曾育平.计及温度效应的插电式混合动力汽车实时优化控制策略[D].重庆:重庆大学,2015.
[8]钱立军,邱利宏,辛付龙,等.插电式四驱混合动力汽车能量管理与转矩协调控制策略[J].农业工程学报,2014,30(19):55-64.
[9]欧阳易时,金达锋,罗禹贡.并联混合动力汽车功率分配最优控制及其动态规划性能指标的研究[J].汽车工程,2006(2):117-121.
[10]BERTSEKAS D.Dynamic Programming and Stochastic Control[M].Academic Press,1976.
[11]刘荣,童亮,马彬,等.复合电源系统能量管理实验研究[J].实验技术与管理,2018,35(1):80-84.
[12]曾小华,王庆年,王伟华.混合动力汽车混合度设计方法研究[J].农业机械学报,2006(12):8-12.