电子助力转向机偶发性助力丢失分析

The analysis of lost assistance for EPS

电子助力转向机现在已逐步得到各主机厂的青睐,越来越多的应用于各品牌乘用车上。电子助力转向机助力丢失是常发案例之一,特别是偶发性助力丢失,故障难再现,分析难度大。文章以某电容异常为例,通过诊断和分析,最终解决了该缺陷,可为同行进行此类问题分析提供经验借鉴。

The Electric Power Steering is chose by more and more Automobile company. But lost assistance is a common error during the vehicle life, the suddenly lost assistance is the most difficult thing to analysis. This thesis, introduce a way to analysis by use a capacitance error as an example.