基于虚拟仪器abs试验台架开发和的研究

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1、摘要目前绝大部分国产汽车都安装了汽车制动防抱死系统A13S(Anti．I，ockBrakingSystem)装置，该装置可以保持汽车在制动过程中的方向。眺和操纵一¨：。⋯此刈‘ABS榆修就显得尤为重要，丌发能够有效培养ABS维修人员的教。j幺刖’丈洲f，}架足小义的主要仟务。本论文首先通过对ABS的基本结构和工作原理进{j：硎：究，探讨研岁￡j-ABS的控制方式，论证了ABS最佳滑移率寻优的问题，重点l劓述J7ABS介架的JI：发过秤，通过对ABS各部分进行建模达到高精度仿真的曰的，然后刈。试验{，}架

2、的f咂件系统进行17设计，通过在机械传动系统力¨装惯性轮的力‘法模拟。J一1i辆捌动II,JI’m}i，陀，通过改变轮胎气L医的方法来模拟ABS工作的各种路况。实现J’列‘真’史1一：辆：例动过引的模拟。最后通过虚拟仿真软件Labview设计了配套的数据采集’J处理系统，通过分析处理各种传感器传送来的实际轮速、车速等信号、绘制车速fHl线，演爿：评价’／iliABS的工作性能。最终设计出的ABS试验台架能够完全的模拟演示．A13S的符利·l：作J=1i境，I—j’以通过台架来验证ABS的基础理论，以达到

3、培养相应的A13S维修人次的l⋯J。关键词ABS实训台架；教学；建模；模拟：I，abvicw河北科技人学硕十学化论文；=；≈========{目===============================一：==AbstractAtpresent，mostdomesticcarsareequippedwithABS(Anti—I．ockf打akingSystcm)device，withwhichthecarcankeepitsdirectionalityandmaneuve!‘abilitydurin

4、gbraking．Thel+eforedetectionandrepairoftheABSisparticularly!repot’tantanditisthemaintaskofthedissertationtodevelopatrainingbenchforteachingthatcanbeusedtoeducatethemaintenancepersonnelofABSeffectively．Firstly,weprobeintothecontrollingmodeofABSanddemonstr

5、atethepl·oblcmot’thebestsliprateoptimizationbystudyingthebasicstructm‘candWOI‘kingpl‘incipleofABS．ThedevelopmentprocessoftheABStrainingbenchismainlyexpounded．，I'hcpurposeofhighprecisionsimulationisachievedthroughthemodelingot’eachpartofABS．Secondly，wedes

6、ignthehardwaresystemofthetrainingbench．’I’hcinertiaofvehiclebrakingissimulatedbyaddinginertialwheeltothemechanicaltransmissionsystemandtheroadconditionsareemulatedthroughthemcthodofchangingthetirepressure，whichimplementthesimulationofrealvehiclebrakingpr

7、ocess．Finally，thcassorteddataacquisitionandprocessingsystemisdesignedbyusingthevirtualsimulationsoftware，Labview．ThevehiclespeedcurveisdrawnthroughanalysinganddealingwiththesignalsofrealwheelspeedandvehiclespeedtransmittedfromdiffcrcntSellsors．whichdemon

8、stratesandevaluatestheworkingperformanceofABS．ThefinaldesignofABStrainingbenchcancompletelysimulateanddemonstratevariousworkingconditionsofABSandcanalsobcusedtovcri—thebasictheorv()f’it．Soastoachievethepurposeoftrainingcor