吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (2): 364-370.doi: 10.13229/j.cnki.jdxbgxb201502005

• Orignal Article • Previous Articles     Next Articles

Instantaneous driving cycle construction based on experimental measurement

SUN Qiang1, BAI Shu-zhan1,2, HAN Er-liang2, GUO Chun-yan2, LI Guo-xiang1   

  1. 1.School of Power and Engineering, Shandong University, Ji'nan 250061,China;
    2.New Energy Technology Center, Weichai Power Co., Ltd., Weifang 261001,China
  • Received:2013-07-14 Online:2015-04-01 Published:2015-04-01

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Abstract: A two-stage clustering method is proposed to construct the driving cycle of garbage truck. In this method, first the concept of kinematics interval is put forward to describe segment's instantaneous characteristics, upon which an advanced hierarchical clustering is carried out. Second, proper segments are chosen from each category according to the results of the second stage clustering. Finally, the representative driving cycle is fitted out. The proposed method is applied to construct driving cycles of a typical garbage truck in Xi'an City. For comparison a driving cycle is also constructed using traditional clustering method, actual driving cycle is measured and error analysis is carried out. Results show that compared to the traditional clustering method, the two-stage clustering method can improve the probability distribution of speed by 59.4%, the probability distribution of acceleration by 81.7%, and the joint probability distribution of speed-acceleration by 22.4%.

Key words: multivariate analysis, driving cycle construction, kinematics interval, experimental measurement, two-stage clustering

CLC Number: 

  • U412.37
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