轿车性能分析与优化研究  

Performance Analysis and Optimization for Car

作　　者：谢冠群[1] 康春风[1] 吴雪珍[1] 邹凌华[1] 赵福全[1] 

机构地区：[1]吉利汽车研究院,杭州萧山311228

出　　处：《农业装备与车辆工程》2011年第4期20-24,共5页Agricultural Equipment & Vehicle Engineering

摘　　要：首先对发动机的外特性和万有特性进行研究并建立相应数学模型。其次结合汽车相关理论,阐述计算整车动力性和经济性的一般方法。以动力性和经济模拟计算为基础,根据变速器传动比优化的思路和方法,结合某款实车进行速比优化的工作。模拟计算结果表明,经过优化整车的动力性和经济性都有一定程度的提高。Firstly, a mathematical model of engine working characteristics with the max status and the universal condition is established. Then, the measures to compute the dynamic performance and fuel consuming are given. Based on the economy and dynamic simulation, the optimizations on the ratio of transmission system are carried out for a vehicle. The results by simulating and computation have proved that the vehicle performance has been improved by the optimization.

关 键 词：整车 性能 匹配 优化 

分 类 号：U461.2[机械工程—车辆工程]