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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2012  >  12(3): 44-52
YAN Guang-hui, YU Qiang, GUAN Zhi-wei, DU Feng. Control strategy of power performance and fuel economy for CVT vehicle on long uphill highway[J]. Journal of Traffic and Transportation Engineering, 2012, 12(3): 44-52. doi: 10.19818/j.cnki.1671-1637.2012.03.007
Citation: YAN Guang-hui, YU Qiang, GUAN Zhi-wei, DU Feng. Control strategy of power performance and fuel economy for CVT vehicle on long uphill highway[J]. Journal of Traffic and Transportation Engineering, 2012, 12(3): 44-52. doi: 10.19818/j.cnki.1671-1637.2012.03.007
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Control strategy of power performance and fuel economy for CVT vehicle on long uphill highway

doi: 10.19818/j.cnki.1671-1637.2012.03.007
  • 1.

    School of Automobile, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    School of Automobile and Transportation, Tianjin University of Technology and Education, Tianjin 300222, China

Funds:

Science and Technology Key Program of Ministry of Education of China 209004

Science and Technology Development Program of Tianjin Higher Education 20110405

More Information
  • Author Bio:

    YAN Guang-hui(1980-), Male, Suixi, Anhui, Lecturer of Tianjin University of Technology and Education, Doctoral Student of Chang'an University, Research on Automotive System Dynamics and Control, +86-22-88181104, yanguanghuiygh@sina.com

    YU Qiang(1961-), Male, Nanyang, Henan, Professor of Chang'an University, PhD, +86-29-82334315, qiangyu@chd.edu.cn

  • Received Date: 2011-11-22
  • Publish Date: 2012-06-25
    Abstract
  • The control strategy of CVT transmission ratio, the power performance and fuel economy of vehicle on long uphill highway were analyzed. Multiple work points between the best dynamic and best economical rotational speeds of engine at equal interval were selected, and the influence of transmission ratio of every working point on the power performance and the fuel economy was studied. The optimal control strategy of CVT transmission ratio under considering the two properties was found by Simulink simulation. Simulation result indicates that the acceleration response time of the optimal control strategy decreases by 1.2 s compared with the best dynamic control strategy, the fuel consumption rate of the optimal control strategy decreases by 7.9% compared with the best economical control strategy, and the acceleration curve is smooth. Therefore, the two performances of vehicle on long uphill highway can be effectively improved by using the optimal control strategy of transmission ratio. 3 tabs, 12 figs, 14 refs.

     

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    • References(14)
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