Study on the Backstepping Control Algorithm for the Hydraulic Pressure in Electro-hydraulic Brake-by-wire System

被引：0
|
作者：
Shi, Qin [1 ,2 ]
Liu, Xin [1 ,2 ]
Ying, Helie [1 ,2 ]
Wang, Mingwei [1 ,2 ]
He, Zejia [1 ,2 ]
He, Lin [1 ,2 ]
机构：
[1] School of Automobile and Traffic Engineering, Hefei University of Technology, Hefei,230009, China
[2] Laboratory of Automotive Intelligence and Electrification, Hefei University of Technology, Hefei,230009, China
来源：
Qiche Gongcheng/Automotive Engineering | 2022年 / 44卷 / 05期
关键词：
Backstepping - Hydraulic brakes - Hydraulic fluids - Radial basis function networks - Wire;
D O I：
10.19562/j.chinasae.qcgc.2022.05.012
中图分类号：
学科分类号：
摘要：
In order to realize the accurate control of hydraulic pressure in brake-by-wire system, a new type of brake-by-wire system is developed in this paper. A control-oriented dynamics model of system is established through system dynamics analysis, and a backstepping control algorithm is designed based on that system model. A radial basis function network is used to approximate the characteristics of continuous function and estimate the non-linear friction, related to system state variables, as the compensation for backstepping controller, with the Lyapunov stability of the algorithm proved. An electro-hydraulic brake-by-wire test bench is built to conduct tests on several braking conditions and the results show that the control strategy designed can achieve the accurate control of hydraulic pressure in brake-by-wire system with fast response. © 2022, Editorial Board, Journal of Applied Optics. All right reserved.
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页码：747 / 755
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