吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (1): 15-20.doi: 10.13229/j.cnki.jdxbgxb201601003

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Dynamic characteristics of electronic hydraulic brake system based on bench test

LI Jing1, YANG Xiong1, 2, MIAO Hui2, SHI Zheng-tang2   

  1. 1.State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China;
    2.Zhejiang Asia-Pacific Mechanical and Electronic Company Limited, Hangzhou 311203, China
  • Received:2014-12-01 Online:2016-01-30 Published:2016-01-30

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Abstract: The pressure characteristic of vehicle brake system is a key factor influencing the braking performance. The structure and working principle of an electronic hydraulic brake system are introduced. Aiming at the dynamic response characteristics of the system, test trails of increasing pressure, reducing pressure and maintaining pressure are conducted in typical conditions. The trails are conducted on a developed test bench with data acquisition control system, and the test program is written and embedded into the electronic control unit in Codewarrior development environment. Form these trials the brake system pressure variation characteristic in typical operating conditions is acquired. Test results show that the dynamic response and controllability of pressure are favorable, and could be applied in vehicle chassis integrated control system. This study may provide important reference for further theoretical research, development of control strategy and the real vehicle test.

Key words: vehicle engineering, electronic hydraulic brake system, dynamic response, test trials, pressure change characteristics

CLC Number: 

  • U463.5
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