基于行驶特征区间划分的重型载货汽车实际道路能耗评价方法  

Energy Consumption Evaluation Method for Heavy-Duty Trucks on Actual Roads Based on Driving Characteristic Interval Division

作　　者：黄德军[1] 田茂军[1] 彭航 冉林尧 向橄 张龙平 HUANG Dejun;TIAN Maojun;PENG Hang;RAN Linyao;XIANG Gan;ZHANG Longping(China Automotive Engineering Research Institute Co.,Ltd.,Chongqing 401122,China)

机构地区：[1]中国汽车工程研究院股份有限公司,重庆401122

出　　处：《汽车工程学报》2024年第3期544-552,共9页Chinese Journal of Automotive Engineering

基　　金：国家重点研发计划项目(2022YFE0100100):提高中载及重载卡车能效关键技术中美联合研究。

摘　　要：提出一种基于行驶特征区间划分的能耗评价方法。通过对中国货车行驶工况的工况点分布特征进行分析,确定了速度和加速度区间的数量与边界的划分方案。考虑道路坡度的影响,进行实际道路试验数据筛选,并用于计算不同行驶特征区间内的燃油消耗量平均值。结合中国货车行驶工况在不同行驶特征区间内的累计行驶里程,计算能耗评价结果。为了验证该方法的有效性,开展了3次底盘测功机试验和2次实际道路行驶试验,结果表明,所提出的能耗评价方法能提高重型载货汽车实际道路能耗评价结果的复现性。During the actual road driving test process,strictly controlling the driving state of heavy-duty trucks can be challenging,which makes it difficult to directly evaluate the energy consumption levels from the test results.Therefore,this paper proposes an energy consumption evaluation method based on the division of driving characteristic intervals.Firstly,by analyzing the distribution characteristics of test points in the China Heavy-duty Commercial Vehicle Test Cycle for Truck(CHTC-HT),a division scheme for the number and boundaries of speed and acceleration intervals for heavy duty trucks is proposed.Then,considering the impact of road slope,the actual road test data is filtered and used to calculate the average fuel consumption across different driving characteristic intervals.Finally,based on the cumulative driving mileage within each interval of the CHTC-HT,the energy consumption evaluation results are obtained.The validation is conducted using three chassis dynamometer drum tests and two actual road driving tests.The results show that the proposed method improves the reproducibility of actual road energy consumption evaluation results for heavy-duty trucks.

关 键 词：重型载货汽车 实际道路能耗评价 行驶特征 道路坡度 区间划分 

分 类 号：U467.1[机械工程—车辆工程]