双轴汽车制动力分配因数的优化设计  

Optimal Design of Braking Force Distribution Ratio of Biaxial Vehicles

作　　者：卫文涛 高峰[1] 

机构地区：[1]北京航空航天大学交通科学与工程学院,北京100191

出　　处：《河南科技大学学报（自然科学版）》2016年第4期20-25,4,共6页Journal of Henan University of Science And Technology:Natural Science

基　　金：国家自然科学基金项目(51275019)

摘　　要：根据制动时整车的受力模型,确定了整车同步附着因数、利用附着因数和制动效率的计算方法。将制动力分配因数作为优化变量,满载与空载的使用频率、实际利用附着因数作为考虑因素,提出了一种使整车具有良好制动性的优化方法,得到的优化结果既符合联合国欧洲经济委员会(ECE)制动法规的要求,又能保证制动效率不小于70%。本文以某轻型货车作为分析实例并进行了优化设计,优化结果显示:在法规要求的速度条件下,制动距离有明显的减小。The computational methods of synchronization adhesion coefficient,utilization adhesion coefficient and brake efficiency were determined according to the vehicle mechanical mode of car braking. The braking force distribution coefficient was taken as optimization variable,and an optimization designing method was put forward to get better braking property. Meanwhile,the full load,no-load working frequencies and the actual use of adhesion coefficient were taken into account. The results obtained are not only consistent with the economic commission of Europe( ECE) braking regulations,but also ensure that the braking efficiency is not less than 70%. When the optimal design is tested on one light truck with a speed in accordance with relevant regulations,the braking distance is significantly decreased.

关 键 词：ECE法规 制动力 分配因数 优化设计 

分 类 号：U461.3[机械工程—车辆工程]