Journal of Jilin University(Engineering and Technology Edition) ›› 2022, Vol. 52 ›› Issue (4): 754-763.doi: 10.13229/j.cnki.jdxbgxb20210172

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Influence of driving behavior on energy consumption of pure electric shared vehicles

Shao-bo JI1(),Yang LI1,Meng LI1,Shi-bin SU2,Xiao-long MA2,Shao-qing HE3,Guo-rui JIA3,Yong CHENG1   

  1. 1.School of Energy and Power Engineering，Shandong University，Jinan 250061，China
    2.Hisense Trans Tech Co. ，Ltd. ，Qingdao 256000，China
    3.China Automotive Technology and Research Center Co. ，Ltd. ，Tianjin 300300，China
  • Received:2021-02-06 Online:2022-04-01 Published:2022-04-20

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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

CLC Number: 

  • U471.15

Fig.1

Division of driving events"

Table1

Driving behavior characteristic parameters"

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RA加速时间占比
Mean_GP加速踏板平均开度Rc匀速时间占比
dGP加速踏板开度变化率Rd减速时间占比
Std_dGP加速踏板开度变化率标准差Ri怠速时间占比
Max_BP最大制动踏板开度

Fig.2

Correlation between characteristic parameters of driving behavior and energy consumption in starting stage"

Fig.3

Impact of average speed on energy consumption"

Fig.4

Influence of average opening of accelerator pedal on energy consumption"

Fig.5

Effect of vehicle speed standard deviation on energy consumption"

Fig.6

Correlation between characteristic parameters of driving behavior and energy consumption in stopping stage"

Fig.7

Impact of average speed on energy consumption"

Fig.8

Influence of various motion states on energy consumption"

Fig.9

Correlation between characteristic parameters of driving behavior and energy consumption in running stage"

Fig.10

Impact of running time on energy consumption"

Fig.11

Impact of average speed on energy consumption"

Fig.12

Influence of average opening degree of accelerator pedal and standard deviation of vehicle speed on energy consumption"

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