汽车胎压监测系统外文文献翻译中英文Word文档格式.docx

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