Decoupled electro-hydraulic brake system for new energy vehicles

被引：0
作者：
Liu, Yang [1 ,2 ]
Sun, Zechang [1 ,2 ]
Wang, Meng [1 ,2 ]
机构：
[1] Clean Energy Automotive Engineering Center, Tongji University, Shanghai
[2] School of Automotive Studies, Tongji University, Shanghai
来源：
Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2015年 / 46卷 / 03期
关键词：
Decoupled system; Electro-hydraulic brake system; New energy vehicles; Pressure control; Regenerative energy efficiency;
D O I：
10.11817/j.issn.1672-7207.2015.03.010
中图分类号：
学科分类号：
摘要：
A master cylinder integrated with brake pedal feel simulator, hydraulic brake booster and failure backup was designed, and an electro-hydraulic brake system using the cylinder was developed, whose brake pedal force and wheel cylinder pressure were decoupled. Considering ECE R13 regulations and electric motors, battery pack characteristic constraints, braking force distribution control strategy was developed to achieve the optimized regenerative power. A co-simulation model in MATLAB/Simulink-AMESim was established and a hardware-in-the-loop test beach was used to verify the hydraulic pressure control performance and the braking force distribution strategy. The results show that the decoupled system can achieve precise control of the wheel cylinder pressure and the efficient braking energy regeneration, which reaches 54.8% under the NEDC driving cycle. ©, 2015, Central South University of Technology. All right reserved.
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页码：835 / 842
页数：7
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