搭载机电控制CVT的电动车快速控制原型

Rapid Control Prototyping of Electric Vehicle Equipped with Electric-mechanical Continuously Variable Transmission

为了验证机电控制无级自动变速器(Electric-mechanical Continuously Variable Transmission,EMCVT)的功能与性能,以某电动轿车为平台,建立搭载EMCVT电动车控制系统框架,研究整车控制策略、EMCVT速比控制策略。在此基础上,构建EMCVT电动车软件构架;在MATLAB/Simulink/Stateflow环境下,搭建软件模型,结合Motohawk模块,编写输入、输出模块,通过代码自动生成,将控制软件编译并下载到控制器硬件中,完成控制系统快速原型开发。在控制系统、EMCVT、电机和电池等主要总成的基础上进行系统集成,最终开发出搭载EMCVT的电动车原型。研究结果表明:搭载EMCVT的电动车可实现速比快速、精确、连续调节,优化动力总成工作区域,使系统具有较好的性能。

In order to check thevariable transmission （EMCVT）functions and performance, the control system framewith EMCVT was designed on an electric car platform.of electric-mechanical continuouslyof electric vehicle （EV） equippedControl strategies of vehicle andtransmission ratio of EMCVT were investigated. Based on the control strategies the controlsoftware of EMCVT equipped EV was framed. Control models were built by using MATLAB/Simulink/Stateflow and, input and output moduli were developed with Motohawk. The controlsoftware was compiled and downloaded to the electric control unit with automatic codesgeneration. In this way, the rapid control prototyping was developed. Finally the prototypeelectric vehicle was assembled with control system, EMCVT, motor system and battery system.The results show that the transmission ratio of EMCVT equipped EV can be adjusted quickly,precisely and continuously. As a result operation points of powertrain are optimized and goodrunning performance is achieved.