Abstract: This paper mainly describes the basic working principle and related structure of the electric power steering system in the process of vehicle driving, and through the analysis of the relevant characteristics and performance of the electric power steering system, to verify that the steering system can improve the operation stability and fuel economy of electric vehicles.Through the analysis of steering system type and control technology to carry on the functional level of the research in this paper, the future application of electric power steering system has a certain reference significance.

Key words: Working principle; Basic composition; Performance advantages; Steering system type; Control techn -ology; Future trends

摘要： 文章主要阐述汽车的电动助力转向系统在汽车行驶过程中的基本工作原理和相关结构，并通过分析电动助 力转向系统的相关特点和性能，来验证转向系统能够改善电动汽车的操作稳定性与燃油经济性。文章通过对转向系 统类型与控制技术的分析来进行功能层面的研究，对今后电动助力转向系统的应用有一定借鉴意义。

关键词: 工作原理；基本组成；性能优势；系统类型；控制技术；未来趋势