某重型汽车动力性与燃油经济性仿真与匹配优化  

Simulation of Power Performance and Fuel Economy and Matching Optimization of a Heavy-Duty Vehicle

作　　者：杜子学[1] 颜溯[1] 刘记君[1] 

机构地区：[1]重庆交通大学

出　　处：《汽车技术》2011年第10期10-13,共4页Automobile Technology

基　　金：重庆市科技攻关计划项目资助(CSTC2011AC6008)

摘　　要：根据某重型汽车的结构参数,按照动力传递路线,利用GT-DRIVE软件对该重型汽车进行了建模仿真,并分析了其动力性和燃油经济性。仿真结果与试验结果的对比验证了该整车模型的正确性。将此模型导入modeFRONTIER优化软件,采用多目标遗传算法对该车的传动系统参数进行优化,从优化方案中选取几种方案进行比较分析,并根据实际使用的需要确定了该车动力传动系统的最佳匹配方案。According to power transmission line,the authors set up the model of simulation for a heavy-duty vehicle by GT-DRIVE based on its structural parameters,and analyze its power performance and fuel economy.After comparing with the test results,they verify the accuracy of the model.By importing this model into the optimization software of modeFRONTIER,the authors use multi-objective genetic algorithm to optimize the powertrain parameters of the heavy-duty vehicle.After several ideal plans are chosen from the optimization plans for comparison and analysis,the optimal match program of the powertrain is identified according to actual demand.

关 键 词：重型汽车 动力性 燃油经济性 动力传动系统 匹配 

分 类 号：U462.3[机械工程—车辆工程]