汽车电动助力转向控制系统的初步研究  

Preliminary Study on the Control System of the Automotive Electric Power Steering System

作　　者：黄李琴[1] 季学武[1] 陈奎元[1] 

机构地区：[1]清华大学汽车安全与节能国家重点实验室

出　　处：《汽车技术》2003年第6期3-6,共4页Automobile Technology

基　　金：清华大学"985"规划基金(0150115); 江苏省汽车工程重点实验室开放基金(KJS01086)

摘　　要：自行设计的电动助力转向系统(EPS)由控制器、转向盘转矩传感器、车速传感器、电流传感器(在控制器内)、助力电机及减速机构、机械式转向器、蓄电池等组成。EPS的控制系统主要由控制器、传感器及信号处理电路、助力电机及驱动电路等组成。控制算法由电机助力控制算法和电机转矩控制算法两部分构成。该方案易于实现,同时又能保证转向控制系统较高的控制精度。The electric power steering system(EPS)developed by ourselv es consists of the controller,the steering wheel torque sensor,the speed sensor ,the electric current sensor(in the controller),the electric motor and redu ction gears,the mechanical steering gear and the battery,etc..The EPS contro l system consists of the controller,sensors and the signal processing circuits ,the electric motor and its driving circuit,etc..The control algorithm consi sts of two parts:the electric mo tor power control algo rithm and the electric motor torque control algorthm.The solution is easy to realize and is able to e n sure high control pre cision of the steering control system at the same time .

关 键 词：汽车 电动助力转向控制系统 EPS 电动伺服机构 设计 

分 类 号：U463.44[机械工程—车辆工程]