基于工况及驾驶意图识别的SOC动态控制研究  

Research of SOC Dynamic Control Based on Recognition of Driving Condition and Intention

作　　者：孙瀚文[1] 王鹏[1] 欧阳[1] 

机构地区：[1]中国汽车工程研究院股份有限公司,重庆400061

出　　处：《汽车技术》2017年第2期10-15,共6页Automobile Technology

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.

关 键 词：驾驶工况识别 驾驶意图识别 SOC平衡 

分 类 号：U469.72[机械工程—车辆工程]