吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (6): 1591-1595.doi: 10.13229/j.cnki.jdxbgxb201406009

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EV calculation model of energy consumption based on velocity and acceleration distribution

KUI Hai-lin1, LAI Xiang-xiang1, 2, HUANG Chao-sheng3, SHI Shu-ming1, WANG Hai-zhou1   

  1. 1.College of Transportation, Jilin University, Changchun 130022,China;
    2.Passenger Car Technology Center, SAIC Motor Co., Ltd., Shanghai 201804, China;
    3.R&D Center, China FAW Group Corporation, Changchun 130011, China
  • Received:2013-08-03 Online:2014-11-01 Published:2014-11-01

Abstract: According to the theory of ergodic property of stochastic process and the equivalence relation between time average of the energy consumption in velocity time series and statistical average of energy consumption in Velocity-and-Acceleration (VA) phase space, a model, which can calculate EV energy consumption based on VA probability distribution, was built up. Compared to the energy consumption model based on velocity time series, the efficiency of energy consumption calculation of the new model is greatly improved, meeting the demand of real-time calculation of EV energy consumption in urban route. The calculation accuracy of the model is validated by comparative tests between EV trial on the route of Changchun city and energy consumption simulation using the proposed model.

Key words: vehicle engineering, energy consumption of EV, theory of ergodic property, efficiency of energy consumption calculation

CLC Number: 

  • U471.23
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