轻型车动力总成综合性能评价体系的构建

Construction of the Evaluation System of the Combined Performance of the Power Train of Light Duty Trucks

介绍了与整车动力性、经济性和排放性能相关的国家标准和主要指标,建立了一种包含整车动力性、经济性和排放指标的动力总成综合性能评价体系。该体系的核心思想是将各指标量纲归一化,并通过加权平均得出一个评价值,从而使得综合评价成为可能。通过计算和分析表明,采用该综合评价体系及优化算法,可以有效的对汽车动力传动系进行优化匹配,发挥整车的最佳综合性能。

The state standards and key indices relevant to vehicle power performance,fuel economy and emission performance are introduced,and the evaluation system of the combined performance of power trains,including vehicle power performance,fuel economy and emission indices,are created.The key concept of the system is to normalize the dimension of each index,then to get the evaluation value through the weighted mean method.Calculation and analysis indicate that optimization of automotive drive train matching can be done effectively with the combined evaluation system and optimization algorithm,and then the combined performance approaches optimum.