CVT电液系统中电磁阀特性的仿真与试验研究  

Simulation and Experimental Study on Characteristics of Solenoid Valve in Electro-Hydraulic System of CVT

作　　者：毕乾坤[1] 张东波[1] 程秀生[1] 

机构地区：[1]吉林大学

出　　处：《汽车技术》2007年第6期29-32,共4页Automobile Technology

基　　金：吉林省科技发展计划高新技术项目(2005317-1)

摘　　要：为了对某样机CVT电液控制系统的特性进行分析,以实现对系统的精确控制,对受控元件(电磁阀)特性进行了详细研究。通过分析电磁阀的工作方式,建立了脉宽调制高速开关阀和比例电磁阀的数学模型,并对其进行了模型仿真和试验验证。结果表明,试验数据与仿真结果基本一致,验证了系统模型的正确性。To analyze the characteristics and realize the accurate control of electro-hydraulic control system of CVT, the characteristics of solenoid valve was studied particularly.The mathematic model of the pulse width modulated （PWM）valve and proportional control valve （PSV）was established by analyzing their working mode,the model simulation and test certification were carried out.The simulating results are in accordance with the experimental results,which shows the correctness of model system.

关 键 词：无级变速器 电液系统 电磁阀 性能 

分 类 号：U461[机械工程—车辆工程]