Modeling and Performance Simulation of CVT control strategies Based on MATLAB/simulink
YANG Xiuhua
1
杨秀花(1984-)女，研究生，整车匹配，发动机性能分析
ZHANG Li
2
张力(1968—)，男，教授，博士生导师。主要研究方向：内燃机燃烧测试，内燃机工作过程控制等
1、Mechanical engineering school,Chongqing University
2、Mechanical Engineering School,Chongqing University,Chongqing 400030
Abstract：This paper is mainly about centrifugal ball type step-less transmission model of the ratio control strategy and its simulation research. Because of centrifugal ball type variator structure characteristics, its main is according to the engine output shaft output force driving centrifugal balls, and then make the whole centrifugal motion step-less transmission master-slave dynamic radius of continuous motion realization accordingly continuous variation ratio. According to the transmission force equilibrium and geometric structure overall mathematical model was set up, according to the established mathematical model control strategy in simulink model, this model based on the actual structure for input reverse solving engine speed and speed relationship, solving full load respectively and some load ratio relations, finally draw: the CVT ratio characteristics control strategy. Finally experiment validate the model is correct and feasible.
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