基于电磁耦合无级变速器的混合动力车传动控制  

Drivetrain of Hybrid Electric Vehicle Based on Electromagnetism Continuously Variable Transmission

作　　者：罗玉涛[1,2] 张桂连[1,2] 旷鹏[1,2] 黄向东[2,3] 

机构地区：[1]华南理工大学机械与汽车工程学院,广州510640 [2]广东省汽车工程重点实验室,广州510640 [3]广州汽车集团股份有限公司,广州510030

出　　处：《机械工程学报》2010年第8期88-97,共10页Journal of Mechanical Engineering

基　　金：国家自然科学基金资助项目(50605020)

摘　　要：研究基于电磁耦合无级变速器的混合动力传动系统,分析其基本原理和功率流模型,并对电磁耦合无级变速器的变速比控制目标、工作模式和控制策略进行详细研究,同时设计适用的整车传动控制器框架。为了研究混合励磁的动态控制效果,对混合动力汽车在低速大负载和高速工况下进行初步动力性仿真。通过仿真,分析车速跟踪的控制效果、发动机转速跟踪控制效果、电池组荷电状态的变化曲线、电磁耦合无级变速器的转速和转矩、发动机输出功率、电池组输出功率和行驶阻力功率等的变化规律,并得出直流励磁电流和电磁耦合无级变速器的磁链观测值变化规律。A novel hybrid drivetrain based on electromagnetism continuously variable transmission（EMCVT） is studied and its power flow model is put forward.The EMCVT＇s speed ratio control,working models and control strategy are researched.The controller framework of hybrid electric vehicle（HEV） drivetrain is designed.The preliminary dynamic performance simulation on low speed and heavy load condition and high speed condition of HEV is carried out.Through simulation,the control effects of vehicle speed tracking and engine speed tracking are analyzed,and the variation curve of battery charge state,the variation rules of the rotating speed and torque of the EMCVT,the engine output power,the battery output power,and the driving resistance power are obtained.Moreover,the variation rule of observed values of magnetic links of direct current excitation and EMCVT are obtained.

关 键 词：电磁耦合无级变速器 传动系统 变速比控制 工况仿真 

分 类 号：TM343[电气工程—电机]