基于PXI总线虚拟仪器DCDC电源板测试系统的研究和设计

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1、江南大学硕士学位论文基于PXI总线虚拟仪器DC/DC电源板测试系统的研究和设计姓名：唐彦申请学位级别：硕士专业：电力电子与电力传动指导教师：吴雷20090601AbstractTheDC／DCpowerboardfunctionaltestingsystemisdesignedandresearched，whichisbasedonthePXIbustechnologyintheenvironmentofindustrialautomaticproduction．Firstofall，theconstitutionandtherelatedp

2、arametersareanalyzed．Inaccordancewiththeactualdemandofexistingpowertesting，thepresentadvancedtechniqueinthefieldofmeasurementandcontrollingareanalyzedandresearched．Considerthecost—effectiveandtheactualdemand，thePXIbustechnologyandvirtualinstrumenttechnologyareuesdtosetupthe

3、testingsystem．ThesystemhardwaremainlyincludesPXIsystemandthetestfixture．Theseparatedtestfixtureisdesignedinthetestingsystemhardware．Thetestfixturemotherboardincludestheelectronicsimulationoftheloadcircuit，theswitchingfrequencydetectioncircuitandthecommunicationinterfacemodu

4、le，etc．Afterfinishingalltheprocessingofdataacquisition，thesignalsshallbetransferredfromeachtestingpointontheDC／DCpowerboardtothedataacquisitioncardofPXIsystem，andthenthedataisprocessedandanalyzedbythePXIsystem．·Inthedesignofthesoftwareforthetestingsystem，thesoftwareofUnited

5、StatesNICorporation’SLabVIEWplatformisusedtodeveloptestingsystem．TheeachtestingprojectoftheDC／DCpowerboardisseparatelytested．Themethodofmodularitydesignisusedtodevelopanddesignthesoftwaresystem．Themodularitycontrolling，datacollection，dataacquisition，generatingreport，etcarer

6、ealized．Atlast，theLabSQLandMicrosoftAccessareusedtoestablishcorrespondingdatabaseoftestingdata．BasedonthedesignofLabVIEW’SStatisticsanddataanalysis，theprobabilitytheory,andthemathematicstatistics，thehistoricaltestingdataisanalyzedandsuggestedtheresultsoftheanalysistobeinthe

7、formoffiguresandstatementsasthedatabaseoftheprocessanalyzeandtheprocessimprovement．ItiseffectiveonthatthequalitycontrolandtheimprovementoftheDC／DCpowerboard．TheactualDC／DCpowerboardistestedbythetestingsystem．ThetestresultshowsthattheDC／DCpowerboardfunctionaltestingsystemmee

8、tstheneedofactualtest，anditshardwareissetupproperly,thecost-effectiveishigh，thehar