资源描述：
《一种基于虚拟仪器的变频器测试系统的设计与研究》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、陕西科技大学硕士学位论文种基于虚拟伩器的变频器测试系统的设计与研究姓名：高希明申请学位级别：硕士专业：电力电子与电力传动导教师：孟彦京20090601rvAMEASUREMENTSYSTEMOFINVERTERBASEDONVIRTUALINSTRUMENTABSTRACTThespeedcontrolsystemofACfrequencyconversionandrelevanttechnologyhasbecomedevelopmenttrendofcurrentelectrictransmission.Thegeneralinv
2、erterplaysthemostimportantroleofspeedcontrolsystemofACfrequencyconversionasthesteadyandhighlyprecisedevice.Theindustrydevelopmentwillbeaffecteddirectlybythequalityperformanceandreliabilityofthisdevice.Sothedemandofaccuracy,efficiency,costandmaneuverabilityishigherandhig
3、her.Butthemeasuringinstrumentbeingusednowisdifficulttomeetthedemand,soitisurgenttodevelopanew-stylemeasuringinstrument.Therebytheresearchoftestingsystemhasbecometheimportanttaskfortheglobalmanufactoryofinverter.Aimatthetestingitemrequiredofinverter,akindofmeasurementsys
4、tembasedonvirtualinstrumenttechnicalhasbeenresearched,whichchangeatraditionaltestmethodofinverter,makethestrongcomputingprocessingabilityofcomputerandthemeasurementandcontrolcapabilityofinstrumentequipmenthardwarecombinetogether.Maketheinvertertestsystemhighprecision,ad
5、aptability,solidthehour,miniaturization,thenetworkturn,conveniencethespotofusage.Thistextmakedetailedintroductionoftotaldesignfromthewholedesignofsystem,thehardwareselection,tosoftwaredesign.Onhardware,thehighspeedandmulti-functiondataacquisitioncards(PCI6024E)basedonPC
6、IbusandsignalmodulesbelongtoSCXIseriesofNICompanyareadopted.Manykindsofsensorareusedtomeasuredifferenttypeofsingle.Onsoftware,thedevelopmenttoolnamedLabVIEWandthemodularizationmethodofprogramdesignnamed"fromtoptobottom"areadopted.Userinterfaceisrvfriendlyandsimple.Itisc
7、onveniencetounderstandforoperator.Lowpassfilterinhardwareanddigitalfilterinsoftwareareadoptedtogethertoensurethetruthofsamplingsignal.ResearchandpracticeindicatesthatVirtualInstrumenthastheabilityofproducingsignal,dataacquisition,displayingtimedomainwave,memorizingdataa
8、ndwave,playingbackwave,printing,measuringparameter,processingsignal,analyzingspectrum,displayingfrequencydomai
