Fuzzy Sliding Mode Control Based on Longitudinal Force Estimation for Electro-mechanical Braking Systems using BLDC Motor

Xiaoyan Peng; Mingfei Jia; Lei He; Xiang Yu; Yibin Lv

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Fuzzy Sliding Mode Control Based on Longitudinal Force Estimation for Electro-mechanical Braking Systems using BLDC Motor

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摘要

This paper focuses on the controller design using fuzzy sliding mode control(FSMC)with application to electro-mechanical brake(EMB)systems using BLDC Motor.The EMB controller transmits the control signal to the motor driver to rotate the motor.The torque distribution of motors is studied in this paper actually.Firstly,the model of the EMB system is established.Then the state observer is developed to estimate the vehicle states including the vehicle velocity and longitudinal force.Due to the fact that the EMB system is nonlinear and uncertain,a FSMC strategy based on wheel slip ratio is proposed,where both the normal and emergency braking conditions are taken into account.The equivalent control law of sliding mode controller is designed on the basis of the variation of the front axle and rear axle load during the brake process,while the switching control law is adjusted by the fuzzy corrector.The simulation results illustrate that the FSMC strategy has the superior performance,better adaptability to various types of roads,and shorter braking distance,as compared to PID control and traditional sliding mode control technologies.Finally,the hardware-in-loop(HIL)experimental results have exemplified the validation of the developed methodology.

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来源
《中国电工技术学会电机与系统学报(英文)》|2018年第1期|142-151|共10页
作者
Xiaoyan Peng; Mingfei Jia; Lei He; Xiang Yu; Yibin Lv;
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作者单位

College of Mechanical and Vehicle Engineering,Hunan University,Changsha,410000,China;

不详;

Concordia University,Montreal,Canada;

Mechanical electronic engineering from Hunan University,Changsha,China;

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原文格式 PDF
正文语种 chi
中图分类自动化基础理论;
关键词
BLDC Motor; electro-mechanical brake; fuzzy sliding mode control; longitudinal force estimation; hardware-in-loop experiments; wheel slip ratio;

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Fuzzy Sliding Mode Control Based on Longitudinal Force Estimation for Electro-mechanical Braking Systems using BLDC Motor

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