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《基于单片机控制的电梯控制器 毕业设计(外文翻译)》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、外文翻译频率合成器设计系别：电子与电气工程系年级专业：2012级电子信息工程（专升本）姓名：学号：125031108题目名称：频率合成器设计指导老师评语：指导老师签名：年月日14外文翻译TheelevatorcontrollerbasedonSingle-chipmicrocomputerAbstract:thedesignisbasedonsingle-chipmicrocomputertocontroltheuseoftheappliance,theuseofdigitaltubetodisplaythepositionanddirectionoftheflo
2、or,usingtwoLEDstoreplacethemotor,toachievethemotorpositiveinversionbysingle-chipmicrocomputertocontroltheLEDonandoff,tocheckthepositionoftheelevatorthroughthetimerdelay.Keywords:ElevatorAT89S51LEDmotorcontrolfloorcheck1IntroductionWiththerapiddevelopmentofthecontinuousimprovementofliv
3、ingstandardsandthenationaleconomy.Eachbigcitybuildingsincontinuouslytothehigh-leveldevelopment.Thereforeliftplayadecisiveroleinourlife.Theelevatorisnotonlytheimportantequipmentfortheproductionprocess,itisatransportationequipmentbythepeoplewithfrequent.Therefore,theelevatorcontroltechn
4、ologyisalsoinconstantimprovementandperfection,commonlyusedcontroltechnologymainlyhastwokindsofTechnology:BasedonPLCcontrolandbasedonMCUcontroltechnologyoftwo.UsetheelevatorPLCcontrol,stableandreliableperformance,butthecostistoohigh.Theelevatorcontrolcangreatlyreducethecostandtheoperat
5、ionisreliablebasedontheelevatorcontrol,sonowmostcontrolledbysinglechipmicrocomputer.2oftheoveralldesignscheme2oftheoveralldesignscheme2.1designideasThebasicideaofthisdesignistheuseofAT89s51microcontrollerasthecore,tocontroltheuseofitsrichinterfaceandperipheralcircuitwithI/O.Checkthepo
6、sitionofthetimerdelaytocontroltheelevator,using8bitLEDstaticdisplaytodisplaytheelevatorlocation,anduse74ls245todriveLEDdisplay.Thedeterminantkeyboardmatrixastheexternaltointernalselectioncircuit,becauseitisthe6floor,thechoiceof4*4matrixkeyboard.Whentheelevatorarrivedatthedestinationwh
7、enthemotorstops,thepassengerscanenter,afterenteringtheelevator,passengerscanchoosetowhichalayer,andthentheelevatoraccordingtothepassengerschoosetojudgewhichfloor,continuetorun.Throughthesingle-chip14microcomputertocontroltheelevatorintherisingprocessonlyinresponsetotherisingcall,dropi
8、nthep
