Composite Braking Control Strategy for Electromechanical-Hydraulic Vehicles

Zewen Meng; Jichao Hong; Hongxin Zhang; Tiezhu Zhang; Xiaoming Xu; Qinghai Zhao; Jian Yang

doi:10.17775/CSEEJPES.2021.00480

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Composite Braking Control Strategy for Electromechanical-Hydraulic Vehicles

Regular Papers | 更新时间：2026-10-15

- Composite Braking Control Strategy for Electromechanical-Hydraulic Vehicles
- CSEE Journal of Power and Energy Systems Vol. 10, Issue 4, Pages: 1722-1732(2024)
- 作者机构：
  
  1. College of Mechanical and Electrical Engineering, Qingdao University,Qingdao,China
  2. Power Integration and Energy Storage Systems Engineering Technology Center (), Qingdao,Qingdao,China
  3. School of Mechanical Engineering, University of Science and Technology Beijing,Beijing,China
  4. Shunde Graduate School of University of Science and Technology Beijing,Foshan,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2021.00480
  CLC：
- Published：01 July 2024
- 稿件说明：
移动端阅览
Zewen Meng, Jichao Hong, Hongxin Zhang, et al. Composite Braking Control Strategy for Electromechanical-Hydraulic Vehicles[J]. CSEE Journal of Power and Energy Systems, 2024, 10(4): 1722-1732.
DOI：

Zewen Meng, Jichao Hong, Hongxin Zhang, et al. Composite Braking Control Strategy for Electromechanical-Hydraulic Vehicles[J]. CSEE Journal of Power and Energy Systems, 2024, 10(4): 1722-1732. DOI： 10.17775/CSEEJPES.2021.00480.

摘要

Abstract

Short driving ranges and low braking energy recovery efficiencies are two recognized technical bottlenecks to be overcome in electric vehicles. In this paper

a novel electromechanical-hydraulic coupling system is proposed and integrated as a powertrain for electric vehicles

which can assist the electric vehicle to fully utilize its braking energy. The hydraulic regenerative braking force and electric regenerative braking force can provide all the braking needs using the medium and small braking intensities. Furthermore

an improved compound brake control strategy based on the braking force distribution is proposed and simulated. The results show that under the premise of ensuring braking stability

the electromechanical-hydraulic coupling driving electric vehicle can adapt to various working conditions with excellent energy-saving results. The hydraulic accumulator recovery efficiency is above 99%

and the state of charge consumption rate of the battery pack can be reduced by more than 9%. More importantly

the proposed hybrid power system can significantly improve the driving range and energy efficiency

as well as reduce the consumers' mileage anxiety in electric vehicles.

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