电动助力转向系统试验台结构设计摘要电动助力转向系统是一种新型的汽车转向系统，具有以往任何助力转向系统所不具备的助力效果和车速感应能力，其核心部件电控单元能根据车速和方向盘操控力矩的不同决定是否助力以及助力的大小。电动助力转向技术已日趋成熟，且有取代液压动力转向的趋势，它是一项紧扣当今汽车发展主题，符合未来汽车发展趋势的高新技术。本文简单介绍EPS系统背景及发展现状，通过对电动助力系统的工作原理和特点、整体性能技术要求的分析，测试出系统阻力矩、电动机的各项参数，和对试验台各部件选用对电动助力转向试验台进行结构设计。(1)检测试验简单，结构紧凑(2)装夹控制方便(3)改进方便，便于升级改装关键词：EPS；试验台；AutoCAD；液压滑台ABSTRACTThispaperaimstodosomeanalysisanddesignofelectricpowersteer(EPS)systemtestplatform,twoformsofwhicharecomparedandselectedinthiscontext.ThroughlearningthetrendofmodernEPSsystemtestplatform,itincludesanalysisanddesignofEPStestplatform.BystudyingtheworkprocessofEPS,andthendesigntheoverallstructureofEPStestplatformwiththereferencetoDongHuasteeringcompany’sproducts.TheassemblydrawingofEPStestplatformisdrawnbyAutoCAD.Inthisdesign,hydraulicsliderisselected,andsomekeypartsareselectedandchecked.Theadvantagesofmydesignareasfollows:(1)Testingsimple,structurecompacted(2)Easytoclampingandcontrol(3)Easytobeimprovedandupdated.Keywords：EPS；testplatform；AutoCAD；hydraulicslider目录第一章绪论.......................................................................................................11.1引言...................................................................................................................11.2选题背景与意义...............................................................................................11.3研究现状...........................................................................................................21.4本文研究的内容...............................................................................................2第二章电动助力转向系统试验台的总体设计..........................................42.1电动助力转向系统...........................................................................................42.1.1工作原理.................................................................................................42.1.2工作特点.................................................................................................42.2典型试验介绍...................................................................................................52.2.1名词定义.................................................................................................52.2.2特性试验的性能技术要求.....................................................................52.3试验台整体方案设计.......................................................................................62.4试验台测试项目...............................................................................................82.4.1车速.........................................................................................................82.4.2系统的阻力矩.........................................................................................82.4.3电动机的各项参数.................................................................................92.4.4使用MATLAB对电动助力转向系统对汽车操纵稳定性仿真分析...9第三章电动助力转向试验台各部件的选用.............................................123.1系统主要部件.......
