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On the Control of the Master Cylinder Hydraulic Pressure for Electro-Hydraulic Brake (EHB) Systems with the Sliding Mode Design Methodology

Qiping Chen1, Yu Liu1, Liping Zeng1, Qiang Xiao1, Conghui Zhou1, Sheng Kang1
Key Laboratory of Conveyance and Equipment Ministry of Education, East China Jiaotong University, Nanchang, 330013, China.
* Corresponding Author: Qiping Chen. Email: . Email:

Fluid Dynamics & Materials Processing 2018, 14(4), 281-291.


The brake-by-wire system requirement is promoted owing to the development of green energy vehicle, and the brake pressure control method is needed. A control method for the master cylinder hydraulic pressure based on the sliding mode control approach is proposed to provide the Electro-Hydraulic Brake system (EHB) of electric vehicles with superior system performances. An assessment is carried out about the complex nonlinear characteristics and sensitivity to the external environment of these systems, which include illustrating the working principle of the EHB system, establishing the dynamic models of the key components of the EHB system. The sliding mode control method is designed after introducing relevant dynamic models for the related key components. In particular, three kinds of wheel cylinder hydraulic response curves under different braking conditions (Normal braking conditions, Emergency braking conditions, and Failure safety protection braking conditions) are considered. The simulation results show that the sliding mode control method for the master cylinder under the EHB system has strong pressure-building capability, short response time and superior system performance Therefore, the sliding mode control method proposed in this paper is an ideal method for master cylinder hydraulic pressure control under the EHB system and has a wide range of engineering application for electric vehicles.


Electric vehicles, the EHB system, master cylinder, hydraulic pressure, sliding mode control.

Cite This Article

Chen, Q., Liu, Y., Zeng, L., Xiao, Q., Zhou, C. et al. (2018). On the Control of the Master Cylinder Hydraulic Pressure for Electro-Hydraulic Brake (EHB) Systems with the Sliding Mode Design Methodology. FDMP-Fluid Dynamics & Materials Processing, 14(4), 281–291.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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