纯电动共享汽车驾驶行为对能耗的影响

doi:10.13229/j.cnki.jdxbgxb20210172

摘要/Abstract

摘要：

以某款纯电动共享汽车日常运行数据为研究对象，确定了5大类共25个驾驶行为特征参数。将车辆运行数据分为起步、停车和运行3个阶段，通过适用于高维大数据相关性分析的最大信息系数（MIC）算法计算了25个特征参数间的相关关系，研究了驾驶行为对能耗的影响规律，明确了不同车辆使用阶段下对总能耗和百公里能耗有显著影响的特征参数。结果表明：不同阶段对能耗产生显著影响的驾驶行为特征参数存在差异，通过对不同驾驶行为特征参数的影响规律分析，提出了不同阶段下节能降耗驾驶行为的优化建议。

关键词: 纯电动共享汽车, 驾驶行为, 特征参数, 最大信息系数

Abstract:

In this paper, the daily operation data of a pure electric shared vehicles was taken as the research object, and 25 driving behavior characteristic parameters of five categories were determined. Vehicles′ data were divided into starting, parking and running three phases. The correlation among 25 characteristic parameters was calculated by the maximum information coefficient (MIC) algorithm, which is suitable for correlation analysis of high?dimensional big data. The effect law of driving behavior was studied in energy consumption. The characteristic parameters that have significant influence on total energy consumption and 100 km energy consumption at different vehicle service stages were identified. The results show that there are differences in driving behavior characteristic parameters that have significant effects on energy consumption in different stages. Through analyzing the influence rules of different driving behavior characteristic parameters, optimization suggestions for energy saving and consumption reduction driving behaviors in different stages are put forward.

Key words: pure electric shared vehicle, driving behavior, characteristic parameters, maximum information coefficient

中图分类号:

U471.15

纪少波,李洋,李萌,苏士斌,马晓龙,何绍清,贾国瑞,程勇. 纯电动共享汽车驾驶行为对能耗的影响[J]. 吉林大学学报(工学版), 2022, 52(4): 754-763.

Shao-bo JI,Yang LI,Meng LI,Shi-bin SU,Xiao-long MA,Shao-qing HE,Guo-rui JIA,Yong CHENG. Influence of driving behavior on energy consumption of pure electric shared vehicles[J]. Journal of Jilin University(Engineering and Technology Edition), 2022, 52(4): 754-763.

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缩略名	中文名称	缩略名	中文名称
Mean_V	平均车速	Mean_BP	制动踏板平均开度
Std_V	车速标准差	dBP	制动踏板开度变化率
Max_A	最大加速度	Std_dBP	制动踏板开度变化率标准差
Mean_A	平均加速度	Max_C	方向盘最大转角
Max_dRA	最大加速度变化率	Mean_C	方向盘平均转角
Max_SA	最大减速度	dC	方向盘变化率
Mean_SA	平均减速度	Total_Energy	总能耗
Max_dSA	最大减速度变化率	Energy100	百公里能耗
Max_GP	最大加速踏板开度	R_A	加速时间占比
Mean_GP	加速踏板平均开度	R_c	匀速时间占比
dGP	加速踏板开度变化率	R_d	减速时间占比
Std_dGP	加速踏板开度变化率标准差	R_i	怠速时间占比
Max_BP	最大制动踏板开度