汽车胎压监测系统外文文献翻译中英文Word文档格式.docx
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汽车胎压监测系统外文文献翻译中英文Word文档格式.docx
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文献出处:
WuG,LiuJ.DesignofUniversalTPMSBasedonPICMCU[J].ComputerMeasurement&
Control,2007,15(11):
1434-1433.英文原文
DesignofUniversalTPMSBasedonPICMCU
GWu,JLiu
1Introduction
Withthehighspeedofroadnetworkboomingrise,Trafficisdeveloped,Vehiclespeedincreasing,traffichazardspreventionproblemsimminent,ifbecauseofthetireair-leaksandexplosionetccausetrafficaccident,manyarebytyresworktohightemperatureorunreasonabletirepressurecause.Researchcartirestirepressuremonitoringsystemofmodernautomobiledriving,whentheeconomy,safetyandmanipulationstabilityisparticularlyimportantpracticalsignificance.
HardwareconstitutionandsoftwaredesignmethodoftheuniversalTPMSareintroducedbasedonPICMCU.TheDesignprojectsoftheremotemonitoringmodulebasedoninfineonSPI2sensor,MicrochiprfPIC12F675FwithASK/FSKtransmitterandthecentralreceivermodulebasedonMicrochipPIC16F877Aaredescribed,andhardwarecircuitryandrelatedprogramsflowcharts,communicationprotocolsandalgorithmsaregiven1Thesystemcanmeasurethetire'
sinterior
temperature,instantaneouspressure,voltageandaccelerationatanytime,indicatetheblooeytiresandalarmthedrivertoavoidthedanger.It’sof
greatimportanceforthepopularizationandoptimizationoftheTPMSinourcountry.
Asauthoritativeresearchindicates,thekeytoPreventatireblow-outismaintainingstandardtirePressureanddetectingtirefaultbeforehand.Thus,tirePressuremonitoringbecomesmeaningfulandimportant.
TPMS(TirePressureMonitoringSystem),Mainlyusedin
automobiledrivingreal-timemonitoringoftyrepressureautomatically.Currentlydevelopedcountriesofthetirepressureearly-warningsystemmainlydividedintotwotypes:
oneisJiaJieShi,itthroughcarABS(antiholdingbrakesystem)ofthewheelsensorandtyremechanicalmodel,indirectlycalculatedfortyrepressure,inordertoachievethepurpose;
monitortyrepressureAnotherkindisdirecttype,itUSESinstalledineachofthetireswithlithiumionbatteryforpowersupplypressuresensortodirectmeasurementoftyrepressure,andthroughwirelessmodulationlaunchtoinstallinsearchofmonitor,andmonitoratanytimedisplayvarioustyrepressure,driverscanintuitiveyunderstandingeachtirepressurecondition,whenthetyrepressureistooloworhaveleakage,thesystemwillautomaticallyalarm,ensuresafety.
TPMSasanewtypeautomobileactivesafetydevicehasbeendevelopingrapidlyinrecentyearsworldwide.Sinceitcouldmonitortire
pressureandtemperatureinrealtimeandalertthedriverintime,mosttrafficaccidentscausedbyflattirecouldbeavoidedtoensuresafedriving.ThedevelopmentoftirepressuremonitoringsystemsisreviewedincludingwheelspeedbasedTPMS,pressure-sensorbasedTPMSandthecominggenerationsocallednon-batterypassiveTPMS.ThecomponentsandworkingmechanismoftirepressuremonitoringsystemareintroducedandtheirmeritsanddefectsanalyzedandcomparedwiththeemphasisonthreedominantdirectTPMSsystems,whicharesignificantinitsresearchanddevelopment.Theprospectoffuturedevelopmenttrendislookedahead.Thenon-batteryTPMSisexpectedtoreplacethecurrentoneandbecomethedominant.Wirelesssignaltransmissionstabilityreliabilityinsufficiency,thebatterylifeproblem,sensorlifeanddurabilityproblem,isthepresentTPMSproductsinthecommonproblem.Thissysteminadditiontothesensor,alluseMicrochipcompanytransceiverchipandmicrocontrolprocessor,lowenergyconsumption,goodcompatibilityandhighreliability.AndutilizeFSKmodulatormode,one-waycommunicationmode,improvingthesystemofsignaltransmissionofanti-interferenceability.CombinedwiththesystemUSEStheSP12sensorandmonitoringmodulemicroprocessorrfPIC12F675Fcharacteristics,adoptLFlow-frequencysenseitechnology,time-sharingsendandreceivedifferentmonitoringmodulerfsignals,thussolvingsignalcollisioninterferenceproblems,andfurtherenergy
savingsystem.
2SystemRequirements
Causeaflattireandblowoutreasonsareasfollows:
?
tyre
temperatureisexorbitant,?
thetyrepressuretoobig,?
tyresusedfor
alongtime,?
tireoverload,?
automobiledrivingtoofast.
Forthatcartobeinasafedrivingcondition,driversmustindrivingprocessreal-timeunderstandtyreoverpressure,voltage,temperature,etc.Workofthestate,thesystemhasthefollowingfunctions:
?
real-time
monitortirepressure,temperatureconditions,?
whenatire
over-voltage,overheating,automaticsoundandlightalarm,?
whena
tyreinundervoltagecondition,correspondingtheadvantagesindicatoremitlight.
3HardwareDesign
ThesystemwasdividedintotwoPartsfunctionally:
tirePres
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