直线型助力特性曲线在电动助力转向系统中的应用  

Application of Linear Power Assist Characteristic Curve in Electric Power Steering System

作　　者：张思怡 高峰 罗鹰 Zhang Siyi;Gao Feng;Luo Ying

机构地区：[1]南通理工学院,江苏省南通市226002

出　　处：《时代汽车》2021年第24期128-129,142,共3页Auto Time

基　　金：2021年江苏省大学生创新创业训练计划项目《小型汽车电动助力转向控制系统设计》的研究成果。项目编号:202112056035Y。

摘　　要：电动助力转向系统(EPS)具有结构简单、装配灵活等优点得到广泛使用,在现有助力特性曲线的基础上,对电动助力转向系统的助力特性曲线进行了研究。结合所选的小型汽车的参数,分析了电动助力转向系统中转向力和助力电流之间的关系,确定了最大目标电流,得出了合理的助力特性曲线函数。为电动助力转向系统的设计提供应用依据。Electric power steering system(EPS)is widely used because of its simple structure and flexible assembly.Based on the existing power-assisted characteristic curve,the power-assisted characteristic curve of the electric power steering system has been studied.Combined with the parameters of the selected small car,the relationship between the steering force and the assist current in the electric power steering system is analyzed,the maximum target current is determined,and a reasonable assist characteristic curve function is obtained,which provides application basis for the design of electric power steering system.

关 键 词：助力转向系统 转向阻力矩 助力特性曲线 

分 类 号：F42[经济管理—产业经济]