应用于减振器试验台的测控系统

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1、西南交通大学硕士学位论文应用于减振器试验台的测控系统姓名：庞维申请学位级别：硕士专业：载运工具运用工程指导教师：吴学杰20061201西南交通大学硕士研究生学位论文第1l页ABSTRACTAstherapidlydevelopingofourhighspeedtrain，wehopemorecomfortforourseatingenvironment，deoscillatorasakeycomponentofthetraintokeepthetrainrunningsmoothly,wemustimproveit’Snaturecorresponding．Dampingfactorsa

2、stheimportantcoefficients，themeasurementofitisalsoveryimportanttomodernrailroad．Theexistingtestcriterionistodrawindicatordiagrams，Mostofexistingteststandsaremechanicalteststands．Theyhavebeenfoundirrational．Inthisdissertation，theimprovedtestmethodreadsthedataofforoeanddisplacementofactuatorwhichis

3、addedondamper，italsomeasuresparameterssuchasthedampingfactors，andindicatordiagramsbyusingclosed-loopACservocontrolsystem．Thisdissertationintroducesthestructureandprincipleofthisdeoscillatorteststand’Stestandcontrolsystem．Italsoanalysesandexplainstheworktheoryandcontrolmethodofcomposition，hardware

4、，softwareandACservoactuatorofthesystemindetail．Atthesametimethisdissertationisalsointroducedthemethodofprocessingtestdata．BasedonGB5599—85‘Standardofnatureassessmentandtestauthenticationinequipmentdynamics}，throughprogrammingcalculationtheparameterssuchasdampingfactorsandrigidityandSOon．Becauseth

5、enormalPIDcontrollercannotfulfiltracingperformanceofthehighprecisionservocontrolsystem，weaddfeedforwardcontrolonnormalPID．Inordertoimprovethefrequencyrespondofthecontrolsystemandovercomedelayofelectricengine，thefeedforwardPIDbecomethecontrolstrategy．Inhighprecisionservosystem，feedforwardPIDcanbeu

6、sedtoimprovetracingcapability，andrestrainnonlineardisturb．Theresultofexperimentprovedthathardwareandsoftwareandthecontrol西南交通大学硕士研究生学位论文第1II页strategyofthistestandcontrolsystemareveryeffective．Keywords：deoscillatorteststand；electromechanicalactuator；feedforwardPIDcontrol；realtimecontroller；Indicat

7、ordiagram；dampingfactor西南交通大学硕士研究生学位论文第1页第1章绪论1．1问题的提出及研究意义减振器是机车车辆及其它交通运输工具的重要部件，其阻尼参数匹配合理与否直接影响机车车辆运行质量，故常常要对减振器进行性能试验12”。铁路系统用悬挂系统经历了从被动悬挂系统到主动悬挂系统的发展过程，国外已经在主动、半主动悬挂系统研究方面取得了一定的成就，且近年来研究仍然非常积极嘲。近几年，我国从引进摆式列车以来，也开始了