吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (6): 1655-1663.doi: 10.13229/j.cnki.jdxbgxb201406019

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Parallel hydraulic hybrid braking regenerative characteristics

DONG Han1, 2, LIU Xin-hui1, 2, WANG Xin1, 2, ZHENG Bo-yuan1, 2, LIANG Wei-quan1, 2, WANG Jia-yi1, 2   

  1. 1.College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022,China
  • Received:2013-09-24 Online:2014-11-01 Published:2014-11-01

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Abstract: The energy saving mechanism of the braking energy recovery system of Parallel Hydraulic Hybrid Vehicle (PHHV) is introduced. By the establishment of vehicle dynamics model, an AMESim model is set up correspondingly according to the actual parameters of the vehicle and its hydraulic components. Then, by simulation analysis of the vehicle braking and energy recovery, a corresponding curve is obtained. To verify the correctness of the simulation, experiments corresponding to different working conditions are carried out on a hydraulic experiment table. The experiment results are basically in agreement with the simulation results. By analyzing the causes of the error between the simulation and experiment, the following conclusions can be drawn. Under the conditions of shorter braking time and lower braking force, the energy recovery rate of the parallel hydraulic hybrid system is high, which is over 43.12%. The correctness of the simulation model is verified by experiment results. The AMESim model can be used to intuitively analyze the effect of braking energy recovery of PHHV.

Key words: turn and control of fluid, hydraulic hybrid, energy recovery, hydraulic accumulator, AMESim

CLC Number: 

  • TH137
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