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1、南昌航空大学信息工程学院毕业设计英语文献翻译摘自http://www.scirp.org/journal/PaperInformation.aspx?PaperID=22046专业自动化班级090441学号09044137姓名龚亮指导老师李军华日期2013年3月15日DesignandImplementationofElectronicControlTrainerwithPICMicrocontrollerYousifI.AlMashhadanyElectricalEngineeringDepartment,EngineeringCollege,UniversityofAnb
2、ar,Baghdad,IraqEmail:yousif_phd@hotmail.comReceivedApril26,2012;revisedMay23,2012;acceptedMay30,2012ABSTRACTThispaperdescribestheimplementationofaPICmicrocontrollerinaconventionallaboratory-typeelectronictrainer.TheworkcomprisessoftwareforthePICandhardwareforthesoftware.ThePICcontrolleruses
3、anEasyPIC-6boardandincludesaPC-interfacedprogrammerforthePICchip.Ithasmanyexternalmodules:128×64graphicLCDdis-play,2×16LCDdisplay,4×4keypad,andportexpander,allinthesamebench.Thetraineriscapableof36experimentsinlogic/analogueelectronicandcontrolsystems.A5-sidedapproximatesensor,twophotoelect
4、ricsensors(BR56-DDT-PandBEN9M-TFR),fourCMOS,fourBCD-7-segmentdrivenbyCD4511B,tworelays(2-poleand3-pole),sixvoltages,ammetermeasurement,DCmotor,and24VDCpowersupply,connectthroughconnectorsandpinions.Resultsofalltheexperimentsshowthetrainersatisfyingrequirementsofundergraduateandpostgraduatep
5、ro-jectsinvolvingconventionalelectronicandclassicalcontrolsystems.Keywords:PICMicrocontroller;PhotoelectricSensor;ConventionalElectronicTrainer1.IntroductionModernmicrocontrollerchipscanstorehundredsofthou-sandsoftransistorseach.Thefirstmicroprocessorshadexternalperipheralssuchasmemory,inpu
6、t-outputlines,andtimers(Matic,2003).Intimecameanewdevicecalledintegratedcircuit(IC),whichcontainsbothprocessorandperipherals.Alsocalledamicrocontroller,thiswasthefirstchipwithamicrocomputer[1,2].PeripheralInterfaceController(PIC)isnewtoelectronicscontrol.Providingcompletecontrolinasinglechi
7、p,aPICmicrocontrollerhasspecialfunctionregisters,poweronreset,interrupts,userRAMforstoringofprogramdata,EPROMprogrammemory,timercircuits,instructionset,lowpowerconsumption,andon-boardA-to-Dconverters.Itreplacesconventionalcontrolofin-dustrialmachinery(e.
