基于PXI总线的振动自动测试系统研究

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1、东南大学硕士学位论文基于PXI总线的振动自动测试系统研究姓名：李旭申请学位级别：硕士专业：工程力学指导教师：李微20050501Absm“AbstractInmodernindustry，vibrationmeasurementandanalysisareimportantpart．Withtherapiddevelopmentofcomputertechn0109y，measurementandcontroltechnology，andvirtualinstrumenttechnology．Themeasurementin

2、strumentswhichdeveloDedfromtheconventionalinstrumentstotheheartfocusonthevirtualinstrumentshavealsoquicklydeveloped．Basedontheinternationaldevelopingtrendofmeasurementandcontrolfield，virtuallnstrumentandrelatingapplicationinv．brationATS(AutomaticTestSystem)areresea

3、rchedinthisthesis．AbasedPXIautomatictestsystemisdesignedtosoIvetheproblemwhichtheefficiencyofproductsinpipeliningtestedinthevibrationenvironmentislow．Thethesisputforwardspecificcontentofhardwareandsoftwaredesigns．thenbasedonthePXIdeviceandLabview，thecurrentautomati

4、ctestsystemisachieved．Fjrstly，thecurrenttechnologyofvibrationATSisdiscussed，thentheconceptofthissystembasedonthePXIisadvanced．Secondly，theconlpositionofvibrationATSisdiscussedandpivotaltechnologiesonthevibrationATSareanalyzed．FinallybyvirtueofLabVIEW，thesoftoftestj

5、ngandanaJyzingvibrationdataisrealized．Thissystemwhichusingmodulariza“onprogramtododataacquisition，storage，processinganddisplaycanruninMicrosoftWindows2000orXP．Thesignalprocessfunctionsofthesoftwareincludethosefunctionsasdigitalfilter，windowing，aut0一correlationfunct

6、ionandcross—correlationfunction；auto—powerspectrum．cross—powerspectrum，frequencyresponsefunction，coherencefunction，whichbasedontheFFT(FastFourierTransfer)．ThevirtualmeasurementsystemofvjbrationATSinthisthesisusedataacquisitioncard0fNICompanybasedonexpandingslotofPX

7、IdeviceandLabVIEWsoftware．Thissystemhasgoodexpansibilityandhighcostperformancefortheproductsonpipeliningtestonvibrationenvironment；nindustry．Keywords：vibrationATS，virtualinstrument，PXIbus，LabVIEW11东南大学硕士学位论文学位论文独创性声明■本人声明所呈交的学位论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除了文中特

8、别加以标注和致谢的地方外，论文中不包含其他人己经发表或撰写过的研究成果，也不包含为获得东南大学或其它教育机构的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示了谢意。铲《亨+签名：壁垒日期：旦多‘关于学位论文使用授权的说明东南大学、中国科学