吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (01): 110-0116.

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Braking energy regenerative efficiency of hydraulic hybrid vehicle

CHEN Yan-li,LIU Shun-an,SHANG Tao,MIAO Miao,YAO Yong-ming,ZHOU Xu-hui   

  1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China
  • Received:2009-12-17 Online:2011-01-01 Published:2011-01-01

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Abstract:

A new design concept was proposed to build a hydraulic hybrid vehicle(HHV) using a hydraulic transformer(HT). A mathematical model was established for HHV based on its working principle, and the relationships between the characteristic parameters of the accumulator(effective volume, specific energy, and chargedischarge efficiencies)and the port plate control angle of HT were analyzed. The energy regenerations of directly applied accumulator and indirectly applied accumulator through HT under different constant braking torque operating conditions were simulated, and the energysaving parameters at different pressure ratios were obtained.

Key words: vehicle engineering, hydraulic transmission and control, hydraulic transformer, accumulator, energy regeneration, braking

CLC Number: 

  • TH137
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