毕业论文外文文献翻译Ultrasonicrangingsystemdesign超声测距系统设计.docx

毕业论文外文文献翻译Ultrasonicrangingsystemdesign超声测距系统设计.docx

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毕业论文外文文献翻译Ultrasonicrangingsystemdesign超声测距系统设计

毕业设计（论文）

外文文献翻译

文献、资料中文题目：

超声测距系统设计

文献、资料英文题目：

Ultrasonicrangingsystemdesign

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文献、资料发表（出版）日期：

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翻译日期：

2017.02.14

Ultrasonicrangingsystemdesign

Publicationtitle:

SensorReview.Bradford:

1993.Vol.

ABSTRACT:

Ultrasonicrangingtechnologyhaswideusingworthinmanyfields,suchastheindustriallocale,vehiclenavigationandsonarengineering.Nowithasbeenusedinlevelmeasurement,self-guidedautonomousvehicles,fieldworkrobotsautomotivenavigation,airandunderwatertargetdetection,identification,locationandsoon.Sothereisanimportantpracticingmeaningtolearntherangingtheoryandwaysdeeply.Toimprovetheprecisionoftheultrasonicrangingsysteminhand,satisfytherequestoftheengineeringpersonnelfortherangingprecision,theboundandtheusage,aportableultrasonicrangingsystembasedonthesinglechipprocessorwasdeveloped.

Keywords:

Ultrasound,RangingSystem,SingleChipProcessor

1.Introductive

Withthedevelopmentofscienceandtechnology,theimprovementofpeople’sstandardofliving,speedingupthedevelopmentandconstructionofthecity.Urbandrainagesystemhavegreatlydevelopedtheirsituationisconstructionimproving.However,duetohistoricalreasonsmanyunpredictablefactorsinthesynthesisofhertime,thecitydrainagesystem.Inparticulardrainagesystemoftenlagsbehindurbanconstruction.Therefore,thereareoftengoodbuildingexcavationhasbeenbuildingfacilitiestoupgradethedrainagesystemphenomenon.Itbroughttothecitysewage,anditiscleartothecitysewageanddrainageculvertinthesewagetreatmentsystem.Comfortisveryimportanttopeople’slives.MobilerobotsdesignedtoclearthedrainageculvertandtheautomaticcontrolsystemFreesewageculvertclearguaranteerobots,therobotisdesignedtocleartheculvertsewagetothecore.Controlsystemisthecorecomponentofthedevelopmentofultrasonicrangefinder.Therefore,itisveryimportanttodesignagoodultrasonicrangefinder.

2.Aprincipleofultrasonicdistancemeasurement

TheapplicationofAT89C51:

SCMisamajorpieceofcomputercomponentsareintegratedintothechipmicro-computer.Itisamulti-interfaceandcountingonthemicro-controllerintegration,andintelligenceproductsarewidelyusedinindustrialautomation.andMCS-51microcontrollerisatypicalandrepresentative.

Microcontrollersareusedinamultitudeofcommercialapplicationssuchasmodems,motor-controlsystems,airconditionercontrolsystems,automotiveengineandamongothers.Thehighprocessingspeedandenhancedperipheralsetofthesemicrocontrollersmakethemsuitableforsuchhigh-speedevent-basedapplications.However,thesecriticalapplicationdomainsalsorequirethatthesemicrocontrollersarehighlyreliable.Thehighreliabilityandlowmarketriskscanbeensuredbyarobusttestingprocessandapropertoolsenvironmentforthevalidationofthesemicrocontrollersbothatthecomponentandatthesystemlevel.IntelPlaformEngineeringdepartmentdevelopedanobject-orientedmulti-threadedtestenvironmentforthevalidationofitsAT89C51automotivemicrocontrollers.ThegoalsofthisenvironmentwasnotonlytoprovidearobusttestingenvironmentfortheAT89C51automotivemicrocontrollers,buttodevelopanenvironmentwhichcanbeeasilyextendedandreusedforthevalidationofseveralotherfuturemicrocontrollers.TheenvironmentwasdevelopedinconjunctionwithMicrosoftFoundationClasses（AT89C51）.

1.1Features

*CompatiblewithMCS-51Products

*2KbytesofReprogrammableFlashMemory

Endurance:

1,000Write/EraseCycles

*2.7Vto6VOperatingRange

*FullyStaticoperation:

0Hzto24MHz

*Two-levelprogrammemorylock

*128x8-bitinternalRAM

*15programmableI/Olines

*Two16-bittimer/counters

*Sixinterruptsources

*ProgrammableserialUARTchannel

*DirectLEDdriveoutput

*On-chipanalogcomparator

*Lowpoweridleandpowerdownmodes

1.2Description

TheAT89C2051isalow-voltage,high-performanceCMOS8-bitmicrocomputerwith2Kbytesofflashprogrammableanderasablereadonlymemory（PEROM）.ThedeviceismanufacturedusingAtmel’shighdensitynonvolatilememorytechnologyandiscompatiblewiththeindustrystandardMCS-51instructionsetandpinout.Bycombiningaversatile8-bitCPUwithflashonamonolithicchip,theAtmelAT89C2051isapowerfulmicrocomputerwhichprovidesahighlyflexibleandcosteffectivesolutiontomanyembeddedcontrolapplications.

TheAT89C2051providesthefollowingstandardfeatures:

2Kbytesofflash,128bytesofRAM,15I/Olines,two16-bittimer/counters,afivevectortwo-levelinterruptarchitecture,afullduplexserialport,aprecisionanalogcomparator,on-chiposcillatorandclockcircuitry.I