摘要
线控转向取消了车轮与方向盘之间的机械连接,导致路面信息无法经方向盘直接传递给驾驶员。为了驾驶的安全性,设计了路感仿真模拟系统,利用稀土永磁型直流电机输出扭矩与电机电流线性度较好的特点,搭建电机路感仿真模拟控制电路。汽车ECU可根据方向盘转角传感器和车辆行驶状态信息,通过电机控制板输入电压控制输出扭矩。经实验验证,该系统有效可靠,能适用于不同类型SBW车辆的路感仿真模拟。
Steer-by-wire（SBW）cancelled the mechanical connection between wheels and steering wheel,which leads to a serious issue that the information of road surface cannot be directly transferred to drivers via steering wheels.Focusing on driving safety,in this paper,a road-feeling simulation system was designed.In this design,a motor road-feeling simulation control circuit was built based on the characteristic of good linearity between output torque and motor current within rare-earth permanent magnetic direct-current（DC）motor.The automobile ECU is able to control the output torque by inputting a voltage via the motor control board,according to steering wheel angle sensor（SWAS）and vehicle transporting condition information.Verifying by experiment,this system is effective and reliable,and is able to be applied in road-feeling simulations of different types of SBW vehicles.
作者
魏波
徐颖
WEI Bo;XU Ying(College of Mechatronics and Control Engineering,Shenzhen Univershy,Shenzhen 518060,China)
出处
《机械工程与自动化》
2018年第4期6-8,共3页
Mechanical Engineering & Automation
基金
国家自然科学基金资助项目(61403259)
深圳科学与技术基础研究项目(JCYJ20170302142107025)
关键词
线控转向
路感信息
路感电机
仿真模拟系统
steering by wire（SBW）
road-feeling information
road- feeling motor
simulation system
