电动助力转向系统的应用现状及发展趋势.docVIP

河南农业大学 本科生毕业论文（设计） 题 目 电动助力转向系统的应用现状及 发展趋势 学 院 机电工程学院 专业班级 交通运输07级3班 学生姓名 指导教师 撰写日期：2011年 5 月 10 日 摘 要 电动助力转向系统是汽车底盘的关键部件，研究其发展现状和应用趋势具有重要意义。本文首先介绍了电动助力转向系统的性能、特点，并对电动助力转向系统进行了分类，对比分析了各类型电动助力转向系统的优缺点；之后详细介绍了典型电动助力转向系统的结构、工作原理及优点，阐述了电动助力转向系统的关键技术及其电流控制原理；本文重点探究了电动助力转向系统的国内外应用发展现状，预测了电动助力转向系统的发展趋势，指出电动助力转向技术是未来汽车动力转向技术的主流发展方向；最后对未来的转向系统-线控转向系统的结构、工作原理和优点进行了分析，并预测其在未来动力转向领域将占据主导地位，对提高汽车转向系统安全性能意义重大。 关键词：汽车；电动助力转向；工作原理；应用现状；发展趋势；线控转向系统 朗读 显示对应的拉丁字符的拼音 Electric Power Steering System Application Situation and the Development Trend Abstract Electric power steering system is a key component of automotive chassis, there is of great significance to research its development status and application trends, This paper firstly introduces the performance and features of all kinds of electric power steering system, then classifies them and contrastive analyses the advantages and the disadvantages of which. After the detailed introduce of structure, working principle and advantages for typical electric power steering system, the key technology and the principles of current control of which are all described. Based on the application and development status of electric power steering system at home and abroad , this paper forecasts the further growing trends of which, and points out the mainstream development direction of automotive power steering technology is electric power steering technology Finally, the structure, working principle and advantages of wire control steering system in future are analyzed, which will be in dominant in the field of power steering , and great significance to improve the safety performance of steering system. Key Words：Car; Electric Power Steering; Working Principle; Application Status; Development Tendency; Wire Control Steering System 目 录 1引言 1 2电动助力转向系统综述 2 2.1 电动助力转向系统的性能及特点 2 2.1.1电动助力转向系统的特点 2 2.1.2电动助力转向系统的性