基于单片机密码锁毕业设计外文翻译资料.docx
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基于单片机密码锁毕业设计外文翻译资料.docx
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基于单片机密码锁毕业设计外文翻译资料
毕业设计外文翻译
VoiceofElectronicPassword-lockDesign
语音电子密码锁的设计
VoiceofElectronicPassword-lockDesign
(RIV9.PCW0RLD.COM/JUNE2006)
Abstract:
Thedesignistheuseofvoicerecognitiontechnologyandkeyboardinput,SunplusSPCE061ASCMinachievingavoiceelectronicpasswordlockauthenticationsystem.Voicerecognitionandelectronicpasswordlockfunctionoftheordinarylocks,anddualroleofsecurity.Thepasswordlocksafe,effective,reliable,butalsohasvoicerecognition,passwordPreferences,confidentialitystrong,tipsandotherfeaturesoferror.
Keywords:
SPCE061A;voicerecognition,electronicpasswordlock;FLASH
1Introduction
Aspeople'slivingstandardsimproveandstrengthenthesenseofsecurity,safetylockssystembecomesessential,thereforeapasswordlock,magneticlocks,electroniclocks,laserlock,voice-activatedlocklocks,etc.,theyareOnthebasisoftraditionalkeys,usingoneormorepasswords,differentvoices,differentmagneticfield,differentsound,differentlightbeamsofdifferentimages(suchasfingerprints,retinaretina,etc.)tocontrolopenthelock.Inthispaper,usingspeechrecognitiontechnologyandkeyboardtocontroltheimportationoftheintegrationofSCMinSunplusSPCE061Aachieveavoiceontheelectroniccertificationsystempasswordlock.
2voiceelectronicpassword-locksystem
ThissystemismainlycomposedofSunplusSPCE061ASCM,MICinputcircuit,voiceoutputcircuit,4×4keyboard,sixQiduanLEDdisplayandoutputcontrolandFLASHmemorycomponents.Systemisthemainfunction:
thetraining,thespeaker'svoicethroughamicrophoneintothespeakervoicesignalacquisitionfront-endcircuit,byvoicesignalprocessingcircuitontheacquisitionofthecharacteristicsofvoicesignalsandvoiceprocessing,fromthespeaker'spersonalitycharacteristicsandparametersStore,aspeakerparametersdatabase.Inrecognition,willbevoicerecognitionandspeakerparametersdatabasematching,voicerecognitionandcompletecontrolofthekeyboard,andactivateorreleaseoflocks,thefinalcompletionofthelock.SystemisrelyingonhardwareandsoftwaretocloselycooperatewiththeSunplusSPCE061ASCMflexiblecontrolachieved.
Voiceentryduetotheinterferenceofexternalenvironment,itispossibleerrors,butthroughanumberoftrainingcanmakecomparisonandidentificationofvoicegreatlyimproved
3systemhardwaredesign
ThesystemusingasinglekernelofSunplusSPCE061A,thechiphasADC,DAC,timer/counter,RAM,FLASH,andotherdevices,coupledwithappropriateexternalcircuitandsupportingSunpluscompany'sintegrateddevelopmentenvironment,Caneasilycompletethedesignofhardwareandsoftwareprogramming,thusachievingtheabove-mentionedfunctions.Voiceelectroniccodelocksystemisthecoreofspeechrecognitionmodule.
SPCE061AisSunplushasdevelopedaveryhighpriceofthe16-bitmicrocontroller,embedded2KwordofSRAMand32KwordFLASH,with32programmablemulti-purposeI/Oportsinclude7Channel1O-GeneralA/Dconverter,built-inmicrophoneamplifier,AGCAGCfunctionofthesinglevoiceofA/Dconverter,andtheaudiooutputofthedual-channel1O-bitD/Aconverterinthe2.6V~-3.6Voperatingrangeoffrequencyrangeof0.32MHz~-49.152Mhz,highprocessingspeedenableittoeasilyandquicklyhandlecomplexdigitalsignal;suspensionsystemtosupport1OinterruptvectorAndl4fromthesystemcanbeaclock,timer/counter,timebenchmarkgenerator,externalinterrupt,keywake-upcall,UniversalAsynchronousserialcommunicationandsoftwareinterruptioninterruptsource,Verysuitableforreal-timeapplications;u'nSPTMcommandsystemalsoprovideshighcomputingspeedof16×16-bitmultiplicationinstructionsanddirectiveswithintheplotoperation,theDSPfortheapplicationofadditionalfeaturesinacomplexdigitalsignalprocessingbothVeryconvenientthantheDSPchipformuchcheaper.
✧3.1voiceinputcircuit
SPCE061Abuilt-in8-channel1O-bitA/Dconverter,whichwillbesevenchannelsforanalogsignals(suchasvoltagesignal)convertedtodigitalsignals,achannelusedonlyforvoiceinput,throughthebuilt-inautomaticgaincontrolamplifierThemicrophonechannels(MIC-IN)input.Therefore,itcanbedirectlygiventothevoicesignalinputchannels,thecompletionof8kHzvoicesignalsinthecollection,encodingandstoragetooff-chipFLASH,simplifyingthecircuitdesign.
✧3.2audiooutputcircuit
SunplusSPCE061AMCUwithaudiooutputofdual-channel1O-bitD/Aconverterscancompleteusertraining,identificationofvariousoperations,suchasthevoiceprompts.SPCE061Aprovideaudiolose
Awayforthedual-channelDAC,inthismanner,DAC1andDAC2conversionofanalogcurrentoutputsignalpassedAUD1andAUD2-pinoutput,enterthenumberofvolumeintotheP-DAC1(write)(0x7017)andP-DAC2(write)(0x7016)unit.
✧3.3sixQiduandisplayofdigitalcircuits
LEDdisplaysineachLEDthrough5~20mAcurrenttoachievethenormalbrightness,andtheIOISPCEO61Aoutputcurrentupto5mA,donothavetodrivecircuittoreachnormalbrightness.Inordertomeetthereliabilityofsystemsdesign,drivenbyatransistorcircuit.Thewholeprocessshowedthattheuseofdynamic,thatis,sixmonitorseachcycle,eachsustainedlmsor10mscycleagain,canalsobeappropriatetomakechanges,buttherefreshratenotlessthan30persecond,sothattemporarystaybecauseofthevisualphenomenon,IssixQiduanseetheLEDdisplayatthesametimeshow.
✧3.4Matrixkeyboardscancircuit
Enterkeypartofatotalofthenumberkeys,passwords,keysset,thekeyshownpassword,toconfirmremovalofkeysandpasswords,andotherkey16keys,enteryourpasswordandfortherealizationoffunctionkeys.Thisdesignusesawake-upfunctionkeysoftheIOloweightIOA0-~IOA7to4×4asthecontrolinputofthekeyboard,whichcanberationaluseofhardwareresourcesandprogrammingflexibility.Recognitionkeyboardkeysarepressedwhetherthemethodis:
Letalloutlinesarelow,checkthetrafficonwhetherthereisahigh-level,ifthereisastatementthatakeyispressed,ifnot,thennokeysarepressed(Actualprogrammingkeysshouldbetakenintoaccounttheimpactofjitter,usuallyalwaysusethesoftwaredelayprocessingmethodsConsumersbuffeting).Identifyspecifickeysusedscanningmethod:
home-by-zeroleveloutandcheckthelevelofthecarriagewayofthechanges,ifalinefromthelowlevelintoahigh,thistripcanbesurethiscolumncross-pointButtonispressed.
✧3.5FLASHexpansionofexternalcircuit
SPCEO61AFLASHmemorychipofonly32K,largenumberofplayersinthevoiceofresourcesneedsofexpandingmemory.ThedesignSunplusTechnology,Inc.,SPR4096asamemoryexpansion,combinedwithSPCE061Abroadcastvoice.SPR4096inuse,theuseofSPR4096ResWritertoreadandwriteoperation,usedtostorethespeaker'spersonalityparametersreferencetemplate.
✧3.6thelockandliftactivation
SCMSPCE061Acompleteidentificationanddisplay,thedrivetorealizetheimplementationoftheelectromagneticlockfunction,andtodetectitsdrivecurrentvalue,toreceivealarmsignalssentbysensors,suchassendingdata.SCMreceivethetypecode,andstoredinFLASHinthepassword,ifthecorrectpassword,thedrivefortheimplementationoftheelectromagneticlock,ifyourpasswordisnotcorrect,allowingoperatorstore-enteryourpassword,canenteruptothreeIfthethreearenotcorrect,theMCUthroughintelligentcommunicationlinestomonitorthepolice.SCMwillunlockoperationandeachtimetheelectromagneticactuatordrivecurrentvalueasastatusinformationsenttothesmartmonitor,willreceivethereportfromthesensorinterfaceinformationisalsosenttotheintelligentmonitoring,assmartAnalysisofthebasis.Inthetransmitter,electroniclocksthroughthepulsetransformerTwillmodulationgoodboostafterdatasignalssentoutinthereceiver,pulsetransformerTwillreceivethedatasignaldemodulatorbuckevacuationtoreducethecarriersignaltransmissionIntheprocessofwearandtear.Inordertoreducecommunicationandmutualinterferencebetweenthepowersupply,chokesL,thechoiceofcouplingcapacitanceCtocomprehensiveconsiderations,showninFigure4,acarrierfrequencyf0-400kHz,inordertoensurethatmostoftheenergytransmissionsignaltothereceiverDuan,Lfora33.7H,C1-0.047~F.
Currentsurveillancefunctionistopreventthedestructionofcommunicationlinesandelectromagneticactuator,forsomereasontheflowofelectromagneticcoilcurrentstoolargeburningcoil.CurrentMonitorbyMAXIMcompany'scurrent/voltageconverterchipMAX471.ThechipcanbemeasuredcurrentIintopairstotheoutputvoltageU,andismeasuredWai,highprecision,andUoutputvoltageproportionaltothemeasuredcurrentIcharacteristics.CurrentmonitoroutputvoltageserviceA/Dconverter,readthroughthesingleA/Dconverterresultsinthecurrentlinewasinformedofthesituation,throughthetimelydetectionofabnormal,issueditsreport.
4systemsoftwaredesign
SPCE061AthedevelopmentofonlinedebuggerPROBEToachieve.Itusesabuilt-inonlineSPCE061CircuitSimulationICE(In-CircuitEmulator)andSunplus'sonlineseriesLineprogramming.PROBEcanworkinSunplusIDEIntegratedDevelopmentEnvironmentalsoftwarenSP(tm),withediting,compile,link,debugandsimulationcapabilities.UseIDEfriendlyinterface,thedrop-downmenu,shortcutsandquickaccesstothelistcanbeorderedsothattheuser'sprogrammingandcommissioningworkmoreconvenientandefficient.Inaddition,IDEsoftwaresimulationcannotconnectthesimulatio
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