Fuzzy sliding mode control based on vehicle slip ratio for electro-mechanical braking systems

被引：11

作者：

Peng X. ^{[1
]}

He L. ^{[1
]}

Lü Y. ^{[1
]}

机构：

[1] State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle Engineering, Hunan University, Changsha

来源：

Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2018年 / 49卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Electro-mechanical brake; Fuzzy sliding mode control; Hardware-in-loop; Wheel slip ratio;

D O I：

10.11817/j.issn.1672-7207.2018.02.014

中图分类号：

学科分类号：

摘要：

The model of the electro-mechanical brake(EMB) system and the half-vehicle dynamic model were established. Due to the fact that the EMB system is nonlinear and uncertain, a fuzzy sliding mode control(SMC) strategy based on wheel slip ratio for the EMB system was proposed, with both the normal and emergency braking conditions being taken into account. The equivalent control law of sliding mode controller was designed based on the variation of the front and rear axle load during the brake process, while the switching control law was adjusted by the fuzzy corrector. The hardware-in-loop(HIL) experiment was conducted to verify the validation of the developed methodology. The results show that the fuzzy SMC strategy has superior performance and better adaptability to various types of roads compared to PID control and SMC. It can make the target value more quickly and smoothly and has strong anti-interference ability. The fuzzy SMC has a positive effect on improving the stability of vehicle braking. © 2018, Central South University Press. All right reserved.

引用

页码：360 / 370

页数：10

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