基于工况及驾驶意图识别的SOC动态控制研究
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摘要
为了解决混合动力汽车在不同驾驶工况及驾驶意图条件下油耗存在较大区别的问题,通过研究混合动力汽车的EV/HEV模式切换策略,分析SOC单阈值控制的不足,提出了一种能够根据驾驶工况、驾驶意图对SOC进行动态控制,合理选择EV/HEV模式切换点的方法。运用该方法,在分段层面通过驾驶工况识别,在实时层面通过驾驶意图识别,实现了发动机起停及工作点的优化,提高了电能利用效率,试验结果表明,实现了11.14%的节油效果。
Fuel consumption of HEV differed greatly under different driving conditions and intentions,to solve this problem,we proposed a method which could make dynamic control according to driving conditions and driving intentions,appropriately selecting EV/HEV mode switching point,through research of EV/HEV mode switching strategy of HEV,analysis of deficiency of SOC threshold value control.With this method,through driving condition recognition by time slot,and real- time driving intention recognition,engine start- stop and operating points were optimized and electric power utilization efficiency was improved.Test results showed that a fuel saving rate of 11.14 % was achieved.
Fuel consumption of HEV differed greatly under different driving conditions and intentions,to solve this problem,we proposed a method which could make dynamic control according to driving conditions and driving intentions,appropriately selecting EV/HEV mode switching point,through research of EV/HEV mode switching strategy of HEV,analysis of deficiency of SOC threshold value control.With this method,through driving condition recognition by time slot,and real- time driving intention recognition,engine start- stop and operating points were optimized and electric power utilization efficiency was improved.Test results showed that a fuel saving rate of 11.14 % was achieved.
引文
1高建平.基于工况识别的混合动力汽车优化控制策略研究.北京:北京理工大学,2010.
2 张亚明.基于DIRECT算法和工况识别的混合动力汽车优化研究.北京:北京理工大学,2010.
3 秦大同,杨官龙,胡明辉,等.基于驾驶意图的插电式混合动力汽车能量管理策略.吉林大学学报:工学版,2015,45 (6):1743~1750.
4 王庆年,唐先智,王鹏宇,等.基于驾驶意图识别的混合动力汽车控制策略.吉林大学学报:工学版,2012,42(4):789 ~795.
5 Kim J,Sim H,Oh J.The Flexible EV/HEV and SOC Band Control Corresponding to Driving Mode,Driver's Driving Style and Environmental Circumstances.Oxford University Press,2012,4(2):151~152.
6 张博,李君,高莹,等.Plug-in混合动力汽车能量管理策略优化设计.农业机械学报,2009,40(9):20~25.
7 朱凯,王正林.精通Matlab神经网络.北京:北京电子工业出版社,2009.
8 王玉海,宋健,李兴坤.基于模糊推理的驾驶员意图识别研究.公路交通科技,2005,22(12):113~118.
9 Wu L,Su X,Shi P,et al.Model approximation for discretetime state-delay systems in the T-S fuzzy framework.IEEE Transactions on Fuzzy System,2011,19(2):366~378.
2 张亚明.基于DIRECT算法和工况识别的混合动力汽车优化研究.北京:北京理工大学,2010.
3 秦大同,杨官龙,胡明辉,等.基于驾驶意图的插电式混合动力汽车能量管理策略.吉林大学学报:工学版,2015,45 (6):1743~1750.
4 王庆年,唐先智,王鹏宇,等.基于驾驶意图识别的混合动力汽车控制策略.吉林大学学报:工学版,2012,42(4):789 ~795.
5 Kim J,Sim H,Oh J.The Flexible EV/HEV and SOC Band Control Corresponding to Driving Mode,Driver's Driving Style and Environmental Circumstances.Oxford University Press,2012,4(2):151~152.
6 张博,李君,高莹,等.Plug-in混合动力汽车能量管理策略优化设计.农业机械学报,2009,40(9):20~25.
7 朱凯,王正林.精通Matlab神经网络.北京:北京电子工业出版社,2009.
8 王玉海,宋健,李兴坤.基于模糊推理的驾驶员意图识别研究.公路交通科技,2005,22(12):113~118.
9 Wu L,Su X,Shi P,et al.Model approximation for discretetime state-delay systems in the T-S fuzzy framework.IEEE Transactions on Fuzzy System,2011,19(2):366~378.