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Volume 38 Issue 8
Aug.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  38(8): 1027-1031.
Dai Zhenkun, Liu Yanfang, Xu Xiangyang, et al. Drive line modeling and shift characteristic simulation of automatic transmission powertrain system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(8): 1027-1031. (in Chinese)
Citation: Dai Zhenkun, Liu Yanfang, Xu Xiangyang, et al. Drive line modeling and shift characteristic simulation of automatic transmission powertrain system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(8): 1027-1031. (in Chinese)
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Drive line modeling and shift characteristic simulation of automatic transmission powertrain system

  • School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 13 Sep 2011
  • Publish Date: 30 Aug 2012
    Abstract
  • Based on the dynamic characteristic of the shifting elements of automatic transmission while shifting, a kinetic mathematic model of the shifting process was set up. Engine model was set up with engine speed, throttle and drive mode as parameters. The shifting strategy was designed with the vehicle data, and an oil pressure control method for shifting elements during shifting process was suggested. Based on the software platform MathCAD, a complete virtual prototype for the powertrain system was built including driver, mechanical system and control system etc. Simulation results show that the built simulation prototype and platform can predict the dynamic characteristic of the powertrain system under different driving cases, and so provides a proper solution for the simulation of shifting strategy and quality.

     

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