吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (1): 21-27.doi: 10.13229/j.cnki.jdxbgxb201601004

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Mode-switch control scheme for hybrid electric vehicle

BA Te1, GAO Yin-han1, ZENG Xiao-hua1, PENG Yu-jun2, SONG Da-feng1, ZHU Qing-lin3, BAI Ge2, WANG Qing-nian1   

  1. 1.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2.College of Automotive Engineering, Jilin University, Changchun 130022,China; 3.Qiming Information Technology Co., Ltd, Changchun 130011,China
  • Received:2013-10-28 Online:2016-01-30 Published:2016-01-30

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Abstract:

In order to solve the issue of frequent mode-switch of hybrid electric vehicle, a new scheme is proposed. The scheme integrates the time based, filter based and fuzzy logical and hysteresis based methods. Simulation results show that adopting the proposed scheme the percentage of mode duration less than 4 s is reduced from 85% to 3%, which mean that the number of mode switching falls nearly 80%. Meanwhile, the actual vehicle velocity follows the desired velocity and the charge maintains within a narrow operating band as well. The maximum and average impact equivalent degrees are reduced by 42% and 61.4%, and the fuel economy of the vehicle is improved by 9.4%.

Key words: vehicle engineering, vehicle ride comfort, mode-switch, fuzzy logic, hysteresis

CLC Number: 

  • U469.7
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