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- Title
Design and validation of an electro-hydraulic brake system using hardware-in-the-loop real-time simulation.
- Authors
Yong, Jiawang; Gao, Feng; Ding, Nenggen; He, Yuping
- Abstract
This paper presents a novel electric booster (E-booster) that exibits superior performance advantages over traditional vacuum boosters. The proposed E-booster, consisting of an electric motor and a ball screw assembly, is designed for electro-hydraulic brake (EHB) systems to meet relevant requirements for electric vehicles and active safety technologies. A mathematical model for an EHB system is generated to determine the desired values of the parameters for the E-booster prototype using numerical simulation in MATLAB. Simulation results of the EHB system with the virtual E-booster demonstrate the feasibility and effectiveness of the innovative technique. Built upon the results derived from the numerical simualtions, an integrated algorithm based on the Kalman filter and a sliding mode control technique is designed to control the E-booster motor and to implement the brake booster function. A hardware-in-the-loop (HIL) real-time simulation system equipped with the E-booster prototype is developed. HIL real-time simulations are conducted to evaluate the proposed algorithm. The HIL real-time simulation results demonstrate that the proposed algorithm generates booster brake forces fast, and forces the ball nut to track the push rod well to ensure comfortable brake pedal feel.
- Subjects
MOTOR vehicle brakes; ELECTROHYDRAULIC effect; SIMULATION methods &; models; PROTOTYPES; MATLAB (Computer software)
- Publication
International Journal of Automotive Technology, 2017, Vol 18, Issue 4, p603
- ISSN
1229-9138
- Publication type
Article
- DOI
10.1007/s12239-017-0060-2