基于状态机设计的DCT起步控制研究  

Launch Control Strategy Research of DCT Based on State Machine Design

作　　者：李育 丁健 Li Yu;Ding Jian(Control and Calibration Division,Shanghai Automobile Gear works,Shanghai 201807,China)

机构地区：[1]上海汽车变速器有限公司控制与标定部,上海201807

出　　处：《传动技术》2018年第1期38-41,共4页Drive System Technique

摘　　要：根据车辆起步工况性能需求,对双离合器自动变速器(Dual clutch transmission,DCT)控制软件中的起步控制进行优化开发,包括控制阶段区分及控制策略开发、特殊工况识别及控制策略开发,并完成实车标定,针对2档起步工况开发了2档降1档起步控制策略,识别起步过程中离合器滑摩时间过长工况,控制离合器快速闭合,实现车辆快速、平顺起步。The launch control strategy of dual clutch transmission(DCT)is optimized according to the characteristics of the vehicle launch driving cycles.The optimization includes three parts:control phases dividing and strategy development,specific driving condition detection and control strategy development,calibration optimization.For launching at the second gear,gear 2 to 1 control strategy is developed to realize quick and smooth launching.For long time slipping condition,specific control strategy is developed in order to engage the clutch quickly and smoothly,to realize vehicle launching.

关 键 词：双离合器自动变速器 起步 离合器控制 

分 类 号：U463.211.2[机械工程—车辆工程]