HUI Ji-zhuang, GUO Yun-xin, ZHENG Heng-yu, ZHANG Ze-yu, HU Hao. Locking control of hydraulic torque converter[J]. Journal of Traffic and Transportation Engineering, 2016, 16(5): 66-73. doi: 10.19818/j.cnki.1671-1637.2016.05.008
Citation: HUI Ji-zhuang, GUO Yun-xin, ZHENG Heng-yu, ZHANG Ze-yu, HU Hao. Locking control of hydraulic torque converter[J]. Journal of Traffic and Transportation Engineering, 2016, 16(5): 66-73. doi: 10.19818/j.cnki.1671-1637.2016.05.008

Locking control of hydraulic torque converter

doi: 10.19818/j.cnki.1671-1637.2016.05.008
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  • Author Bio:

    HUI Ji-zhuang(1963-), male, professor, PhD, +86-29-82334315, wsjdb01@gfscw.cn

  • Received Date: 2016-07-16
  • Publish Date: 2016-10-25
  • A type of engineering vehicle was used as research object, its characteristics of working condition were considered, and the common locking points at different throttle openings were calculated and selected based on the locking control principle.Based on throttle opening and turbine speed, brake signal, gear signal and cooling water temperature signal were considered, a multi-parameters locking control strategy was designed, and the corresponding locking flow was set up.Whole vehicle model composed of locking control model, engine model, hydraulic torque converter model, the output model of hydraulic torque converter, transmission model, and external resistance model, was built and simulated by using MATLAB/Simulink software.Simulation result shows that the locking signal responds correctly with the change of water temperature and gear signal, and the vehicle is locked at the setting locking point.The locking control model accords with the established locking control strategy, and the output model of transmission system is in line with the actual working conditions, which provides a theoretical basis for the locking control of vehicle and proposes a new scheme for improving the transmission efficiency, energy saving and emission reduction of vehicle.

     

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