资源描述:
《轮胎压力监测中英文资料外文翻译文献》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、轮胎压力监测中英文资料外文翻译文献参考文献MonitoringtheTirePressureatCarsUsingPassiveSAWSensorsAlfredPohl1,G.Ostermayer},L.Reindl2,F.Seifert1)AppliedElectronicsLaboratory,UniversityoETechnology,Gusshausstrasse27,A-1040Vienna,Austria2)SiemensCentralResearchLab.,OttoHahnRing6,D-$1739Munic
2、h,GermanyAbstract:Inourpaperwepresenttheapplicationofsurfaceacousticwave(SAW)sensorstothecontinuousmanitaringofthetirepressureinroadvehicles.Withthese,thetirepressurecanbereadoutineveryphaseofdriving.Weshowtheimplementedprototypesetupformeasurementofthetirepressure,
3、theappliedSAWsensors,improvedversionsandtheinterrogationsetup.Theproblemsinpracticalapplicationarediscussed.Experimentalresultsmeasuringthetirepressureduringtestridesarepresented.INTRODUCTIONOperatingaroadvehicle,amalfunctionofthetiresinmotionduetoatirepuncturecanca
4、useseriousaccidentsandendangerhumanlife.Furthermore,nowadaysmanufacturersofcarstrytosavethesparewheelinvehicles.Usuallyitonlycostsweightandspace,thereforeityieldsahigherfuelconsumption,althoughitwillberequiredlessthanonetimeinmorethantenyearsofacar'slife.Thisonlycan
5、bedone,iftheairpressureinthetirescanbemeasuredevenduringdriving.Currentlyusedsensorscontainactivecomponents,poweredbyaLithiumbattery.Themassofthesesensorassembliesisabout20gramscausinghighdynamicload.Afewyearsago,wirelessIyinterrogableSAWdevicesfarsensorapplications
6、wereinvented.[1,2,3].UsinganoneportSAWdelaylineconnectedtoanantennaonly,anRFinterrogationsignalisfedintoandthesensorresponse,carryingthesensorinformationisretransmittedwirelesslytotheinterrogator.Thesesensorsarecapableformeasurementoftemperature,mechanicalload,force
7、anddisplacement,etc.Theadvantageis,thatSAWsensorsaretotallypassivedevicesandcontainneitherpowersupplynorsemiconductors.Theywithstandtemperaturesuptoseveralhundredsofdegreecentigrades,theirlifetimeismuchlongerthanthatofbatterypoweredsystems.Further,invehiclesstrongel
8、ectromagneticpollutionisgeneratedbyignitionsystemsetc.SAWsensorsoperatewithoutriskofdamageeveninroughenvironments.Firstwediscusspressureme