汽车电动转向系统基本助力电流特性设计研究

Research and Design on Assist Current Characteristic for EPS

文章介绍电动助力转向系统的控制原理和基本助力电流特性的设计方法,并将转向手力特性要求纳入其中进行设计研究,结合实车应用参数对所设计的助力电流特性开展验证,分析整车供电电压、EPS电机参数及工作温度等影响因素,来确认EPS电机选型及匹配设计参数等是否合理,指导工程技术人员修正设计,并提出合理的EPS系统应用条件。

Introducing the control theory and design method on assist current characteristic for Electric Power Steering System （EPS）. Vehicle application parameter and steering hand power requirement is taked into account on assist current characteristic for checking. Engineers will be guided to judge the matching effectiveness by analyzing supply voltage, motor parameter and working temperature. At the same time, the paper. proposes reasonable application conditions for EPS, to ensure normal steering function.