电动助力转向器模型和控制策略的建立  

Stablishment of Electric Power Steering Model and Control Strategy

作　　者：方润 Fang Run(Guizhou Normal University Physics and Electronic Science Institute GuizhouGuiyang 550025;Guiyang key Laboratory of Automobile Electronic Technology GuizhouGuiyang 550025)

机构地区：[1]贵州师范大学物理与电子科学学院 [2]贵阳市汽车电子技术重点实验室

出　　处：《科技风》2019年第31期235-237,共3页

基　　金：贵州省科学技术基金，黔科合LH字[2014](7049号)，项目名“汽车电动助力转向器的研究”

摘　　要：在分析电动助力转向器的结构和工作原理之后,建立了转向器转向盘与转向轴上端、小齿轮与转向轴下端、助力电动机数学模型。同时,研究了直线型、折线型和曲线型助力特性,设计了直线型助力转向器的助力特性曲线,满足了电动助力的轻便型的要求,并给出了确定直线型助力特性的参数计算方法,为电动助力控制策略提供了常用的技术方案。After analyzing the structure and working principle of electric power steering,the mathematical models of steering wheel and axle end,pinion and lower end of steering axle and power-assisted motor are established.At the same time,the characteristics of linear,polygonal and curvilinear power-assisted steering are studied,and the power-assisted characteristic curves of linear power-assisted steering are designed to meet the requirements of portable electric power-assisted,and the parameter calculation method for determining the linear power-assisted characteristic is given,which provides a common technical scheme for the control strategy of electric power-assisted.

关 键 词：电动助力转向器 电动机数学模型 转向器的助力特性曲线 直线型助力特性曲线 

分 类 号：U463.44[机械工程—车辆工程]