基于驾驶意图的无级变速器目标速比确定方法  

Method to Determine Target Speed Ratio of CVT Based on Driving Intention

作　　者：何仁[1] 马承广[1] 张涌 夏晶晶[1] 吴海啸 

机构地区：[1]江苏大学汽车与交通工程学院,镇江212013 [2]南京汽车集团公司汽车工程研究院,南京210028

出　　处：《农业机械学报》2009年第5期16-19,44,共5页Transactions of the Chinese Society for Agricultural Machinery

基　　金：江苏省科技攻关计划资助项目(BE2006-019)

摘　　要：运用模糊数学理论提出一种基于驾驶意图的金属带式无级变速器(CVT)目标速比的确定方法,不需采用传统的经过手动方式选择动力模式或经济模式的方式,即可确定一个在动力和经济模式之间的目标速比。根据基于模糊规则的驾驶意图指数确定的目标速比进行CVT的速比控制,以达到按照驾驶意图来兼顾汽车的动力性和经济性能,从而避免了传统模式选择过程中速比突变导致传动系统的冲击、振动和发动机颤动,且能够根据驾驶员的驾驶意图进行调整,提高了驾驶操纵性。最后根据目标速比控制策略设计了控制器,并通过试验验证了目标速比确定方法的适用性。The method of speed ratio of controlling of metal V-belt continuously variable transmission based on driving intention was suggested using fuzzy mathematics. According to this method, the target speed ratio between economical and drivable mode can be gotten instead of traditional manual selection. The control with the target speed ratio based on the driving intention index of fuzzy control rules can get a good economy and drivability, the bump, shake and flicker of the engine can be avoided. Finally, the controller using the target speed ratio control logic is designed and the effectiveness is validated.

关 键 词：汽车 无级变速器 目标速比 模糊数学 驾驶意图 

分 类 号：U463.212[机械工程—车辆工程]