重型车燃油经济性优化及实车道路验证  

Study to fuel economy optimization and real road verification for heavy-duty vehicle

作　　者：伍晨波 郑国峰 朱江苏 朱红国[1] 黄德军[1] WU Chenbo;ZHENG Guofeng;ZHU Jiangshu;ZHU Hongguo;HUANG Dejun(China Automotive Engineering Research Institute Co. , Ltd. , Chongqing 401122, China;School of Mechatronics and Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400047,China;Weichai Holding Group Co. , Ltd. , Weifang 261041, China)

机构地区：[1]中国汽车工程研究院股份有限公司,重庆401122 [2]重庆交通大学机电与车辆工程学院,重庆400047 [3]潍柴动力股份有限公司,山东潍坊261041

出　　处：《重庆理工大学学报（自然科学）》2022年第6期247-253,共7页Journal of Chongqing University of Technology：Natural Science

基　　金：国家重点研发计划项目(2017YFB0103500)。

摘　　要：构建了基于整车比功率(vehicle specific power,VSP)特性的油耗计算模型,以掌握不同速度区间和坡度区间的油耗情况,利于整车能耗性能的优化指导。从发动机高效清洁燃烧、先进动力总成、电控附件、油门MAP技术、低黏度润滑油、空气动力学、低滚阻轮胎等方面着手,对重型车燃油经济性进行全面的优化升级,并采用转毂台架进行试验验证。基于重型车用户大数据,形成整车燃油经济性的评价综合工况,并利用实车道路试验进行验证。台架和实车道路试验结果表明:通过全方位的技术升级,燃油经济性达到预期优化目标。A fuel consumption calculation model based on the vehicle specific power(VSP)characteristics of the whole vehicle is proposed to grasp the fuel consumption in different speed intervals and slope intervals,which facilitates the guidance of the optimization of the energy consumption performance of the whole vehicle.The fuel economy of the heavy-duty vehicle is optimized and upgraded in terms of efficient and clean engine combustion,advanced powertrain,electronic control accessories,throttle MAP technology,low-viscosity lubricating oil,aerodynamics,and low-rolling resistance tires.The vehicle is verified before and after optimization by using rotary hub bench test and real road test respectively.The test results show that the fuel economy has reached the expected optimization target through the comprehensive technical upgrade.

关 键 词：燃油经济性 比功率 转毂试验 实车道路试验 

分 类 号：U473.12[机械工程—车辆工程]