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Position: Home > Articles > Research on Multi-objective Optimization of Automobile Transmission System Matching Based on MATLAB Platform Agricultural Equipment & Vehicle Engineering 2020 (1) 101-104

基于MATLAB平台的汽车传动系匹配多目标优化研究

作  者：
刘林;周萍;王贺喜
单  位：
上海理工大学机械工程学院
关键词：
匹配优化;综合评价方法;动力传动系;排放性
摘  要：
考虑动力性、经济性和排放性等三种汽车基本性能,提出了采用加权因子法综合以上三种性能的汽车动力系统匹配优化的评价方法,确定了各参数因子及权系数数值。利用GT—drive软件对某车型搭建了仿真模型,基于MATLAB优化函数求出了动力传动系优化参数的最优解。通过某车仿真结果与实验数据对比分析,说明了所建模型的精确度。将优化前后匹配参数的仿真结果对比,得出采用此法,汽车综合性能有所提高的结论。
译  名：
Research on Multi-objective Optimization of Automobile Transmission System Matching Based on MATLAB Platform
作  者：
Liu Lin;Zhou Ping;Wang Hexi;School of Mechanical Engineering, University of Shanghai for Science and Technology;
关键词：
matching optimization;;comprehensive evaluation method;;power train;;emission
摘  要：
Considering the three kinds of basic performances of vehicles, such as power, economy and emissions, a comprehensive evaluation method for vehicle dynamic system matching optimization using weighting factor method is proposed, and the parameter factors and weight coefficients are determined. The GT-drive software is used to build a simulation model for a certain vehicle. The optimal solution of the powertrain optimization parameters is obtained based on the MATLAB optimization function. The accuracy of the model is illustrated by comparing the simulation results of a vehicle with the experimental data. By comparing the simulation results of the matching parameters before and after optimization, it is concluded that the comprehensive performance of the car is improved by this method.

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