通用串行总线技术在超声探伤中的应用

,,(,150001)(,150000):(USB)PC,USBPC,,PCUSB1.1USB,USB,PC:;;;;:TG115.28:A:100026656(2003)1120561204APPLICATIONOFUNIVERSALSERIALBUSTOULTRASONICINSPECTIONSYSTEMDUXiu2li,SHENYi,WANGXiao2tao(DepartmentofControlScienceandEngineering,HaperbinInstituteofTechnology,Haperbin150001,China)XIEWen2jun(NortheastLightAlloyCo.Ltd.,Haperbin150000,China)Abstract:Thetechnologyofuniversalserialbus(USB)facilitatestheconnectionofPCwithperipheralandacceleratesdatatransferspeed.Byinterfacingtestingdevicewithhost(PC)viaUSB,thespeedofdatatransferandstorageofultrasonictestingsystemwillbeenhancedsignificantlyandreal2timedataacquisitionandprocessingwillbepossible.Moreover,USBallowshostPCtoutilizeallabilitiesavailabletorealizethecontroloftesting,theprocessingofsignalsandautomaticflawidentification.USBisintroducedcenteringonUSBspecification1.1.TheapplicationofUSBtoultrasonicflawdetectorhasbeenstudied,andanultrasonictestingsystembasedonPChasbeenpresented.Keywords:Ultrasonicinspection;Bus;Computer;Hardware;Software,2080,,,,[1],[2,3],:2002211205USB,PC(FPGA),PCEZ2USBFPGA1USB1.1(1),,1652511200311NDTVol.25No.11Nov.2003©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1A/DFPGA,TGC()FPGAUSB,,(TGC)USBFPGA,AN2131,1.2VC++,,,,USB,,,,,,,,,,2USB2.1USBUSBIntel,Compaq,MicrosoftNECPC,(480Mbyte/s),PCUSB,USB,USB[4],,Cypress80EZ2USB2AN2131QAN2131Q,2EZ2USBUSB,USBUSB,,,USB80%90%,USB;8051,8051(24Mbyte,)AN2131Q168,,51I/OEZ2USB3.3V,USBUSB,,:(1)SCLSDA1.510k(I2c)(2)USBD+DISCON1.5k(3)10k/1F,,(4)WAKEUP#1k,(5)PCB(6),D+,D-[5]2.2USB,USB,USB,;USBKEILC51,FrameWork,265:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,3USBEZ2USBEZ2USBEZ2USBFLEX10K,3EZ2USBUSB,(1),USB,USB(2),,(3),(4),EZ2USB,,,EZ2USB,8051FIFO()EZ2USBRAM(),incdptr8051USB,RAM,EZ2USB,ROM,EPROM,FLASH,,EZ2USBUSB,USB8051EZ2USBRAM,8051,EZ2USB,EZ2USB,,,,,USB,2.3USBUSB()USB,USBUSB,USB127,()5m4USB,USBUSB3,5,64USB365:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.56A,USB,,4USB,,,,ISO,EZ2USBRAM,,USB2.0,480Mbyte/s,,USB:[1],.[J].,1994,16(6):157-158.[2]ChenJ,ShiY,ShiS.Noiseanalysisofdigitalultrasonicnondestructiveevaluationsystem[J].InternationalJour2nalofPressureVesselsandPiping,1999,76(9):619-630.[3]RodrguezMiguelA,MirallesRamn,VergaraLuis.Signalprocessingforultrasonicnon2destructiveevalua2tion:twoapplications[J].NDT&EInternational,1998,31(1):93-97.[4]CruickshankH,SunZ,FanZ.Universalserialbusim2plementationinanintegratedaccesschipforISDNsys2tems[J].Communications,IEEEProceedings,2001,148(4):207-211.[5]Cypress.USBTechnicalReferenceManual[Z].USA:Cypress,1998.1971,,,,;2004,,,,,,15000CAJ2CD,,,2004,,()2004,,62281,:6/,72/,:29;:610051;:028283243976,83287982;:028283288922;:[e-mail],[e-mail]465:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.