吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (05): 1264-1270.doi: 10.7964/jdxbgxb201305019

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Energy saving performance of hydraulic hybrid system with AMESim

DONG Han, LIU Xin-hui, WANG Xin, CHEN Jin-shi, WANG Jia-yi, ZHENG Bo-yuan   

  1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China
  • Received:2012-09-23 Online:2013-09-01 Published:2013-09-01

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Abstract:

This paper describes the principle of braking energy recovery and release of Hydraulic Hybrid Vehicle (HHV) and analyzes the braking process. The HHV AMESim model is established based on the vehicle dynamic model. According to the actual conditions, the vehicle related hydraulic parameters are set to simulate the process of braking energy recovery and release. Experiments of typical operation conditions were carried out on an experimental bed. Simulation results indicate that the energy recovery rate is 38.7%, and energy release rate is 85.1% after the vehicle overcoming the rolling friction, mechanical friction and the heat loss of the accumulator charge and discharge. The experimental results are in good agreement with the simulation results, indicating that the proposed model can be used to analyze the dynamic performance and the braking effect of the HHVs intuitively. In addition, it provides a reference for future investigation and optimization of HHVs.

Key words: fluid power transmission and control, hydraulic hybrid, brake energy recovery, hydraulic accumulator

CLC Number: 

  • TH137

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