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搭载机电控制CVT的电动车快速控制原型

, PP. 112-119

Keywords: 汽车工程,电动车,试验研究,快速控制原型,机电控制CVT

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Abstract:

?为了验证机电控制无级自动变速器(Electric-mechanicalContinuouslyVariableTransmission,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。

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