CAN总线发展外文文献翻译中英文翻译外文翻译.docx
- 文档编号:17044101
- 上传时间:2023-07-21
- 格式:DOCX
- 页数:12
- 大小:27.71KB
CAN总线发展外文文献翻译中英文翻译外文翻译.docx
《CAN总线发展外文文献翻译中英文翻译外文翻译.docx》由会员分享,可在线阅读,更多相关《CAN总线发展外文文献翻译中英文翻译外文翻译.docx(12页珍藏版)》请在冰点文库上搜索。
CAN总线发展外文文献翻译中英文翻译外文翻译
CANbusdevelopment
InFebruary1986,RobertBoschinSAE(SocietyofAutomotiveEngineers)GeneralAssemblyintroducedanewtypeofserialbus-CANControllerAreaNetwork,itistimeforthebirthofCAN.Today,almosteveryoneinEurope,newpassengercarsareequippedwithCANLAN.Similarly,CANisalsousedforothertypesofvehicles,fromtrainstoshipsorforindustrialcontrol.CANhasbecomeaworldwideoneofthemostimportantofthebus-orevenleadingtheserialbus.In1999,nearly610millionCANcontrollerintoused.In2000,marketsalesofmorethan100millionCANdevice.
Earlierin1980,Boschengineersbegantodemonstrateatthetimeserialbususedforpassengercarsystemisfeasible.Becausethereisnoready-madenetworksolutioncanfullymeettherequirementsofautomotiveengineers,then,inearly1983,UweKienckestartofanewserialbus.Themaindirectionofthenewbustoaddnewfeaturestoreducetheelectricalcablesothatitcanbeusedforproducts,ratherthantodrivetechnology.Mercedes-Benzengineersfromtheearlydevelopmentofthestateofthebusdescription,andIntelisalsopreparingforamajormanufacturerofsemiconductorproduction.OneconsultantwashiredfromGermany,Braunschweig-WolfenbüttelUniversityofAppliedScience,ProfessorDr.WolfhardLawrenzgiventhenameofthenewnetworkprogram"ControllerAreaNetwork",referredtoasCAN.FromKarlsruheUniversity,ProfessorDr.HorstWettsteinprovidestheoreticalsupport.
February1986,CANwasborn.IntheDetroitSocietyofAutomotiveEngineersCongress,fromBoschtostudythenewbussystemknownasthe"carsSerialControllerAreaNetwork."UweKiencke,SiegfriedDaisandMartinLitschelintroducedtheprogramofthemulti-masternetwork.Thisprogramisbasedonnon-destructivearbitrationmechanism,toensurehigh-prioritypacketdelay-freetransmission.Also,donotneedtosetthebusmastercontroller.Inaddition,CANFather-thefewprofessorsandBosch'sWolfgangBorst,WolfgangBotzenhard,OttoKarl,HelmutSchelling,JanUnruhhaveachievedanumberofspeciesintheerrordetectionmechanismsinCAN?
Theerrordetectionbutalsofaultnodeautomaticallydisconnectfeaturetoensurecontinuedcommunicationbetweentheremainingnodes.Transmissionofmessagesnotbasedonpackettransmitter/receivernodeaddressidentification(almosttruefortheotherbus),butbythecontentpacketidentification.Meanwhile,theidentifierusedtoidentifythemessagealsoprovidesthepacketisthepriorityinthesystem.
Whenthisinnovativecommunicationsolutiononthemajorityoftextinplace,themid-1987,IntelplanstwomonthsaheadofdeliveryofitsfirstCANcontroller:
82526,thisisthefirsttimeCANhardwareimplementationoftheprogram.Injustfouryearstime,visionbecomesareality.Soonafter,PhilipsSemiconductorsintroducedthe82C200.ThisisthefirstoftwoCANcontrolleracceptancefilteringandmessagecontrol,therearemanydifferent.Ontheonehand,themainpushofFullCANIntelPhilipsLordthanbypushingBasicCANtakeslessCPUload;theotherhand,FullCANdevicecanreceivearelativelylimitednumberofmessages,BasicCANcontrollerrequireslesssilicon.Today'sCANcontrollers,the"grandchildren"generationareinthesamemoduleacceptancefilteringandmessagecontrol,therearestillconsiderabledifferences,tocreateaBasicCANandFullCANcamps.
Standardizationandconsistencyinearly1990,BoschCANstandard(CAN2.0version)wassubmittedtotheInternationalOrganizationforStandardization.Inanumberofadministrativediscussion,shouldsomeofthemajordemandsoftheFrenchautomobilemanufacturerstoincreasethe"VehicleAreaNetwork(VAN)"content,andwaspublishedinNovember1993CANinternationalstandardISO11898.InadditiontoCANagreement,italsoprovidesupto1Mbpsbaudrateofthephysicallayer.Meanwhile,theinternationalstandardISO11519-2alsoprovidesfault-tolerantCANdatatransmissionmethod.In1995,theinternationalstandardISO11898wasextendedtotheformdescribedinAppendix29CANidentifiers.Butsadly,allpublishedintheCANspecificationcontainerrorsorincomplete.Therefore,inordertoavoidincompatibleCANapplications,BoschCANchip,thecompanyhasbeencarryingoutverificationwhetherthereferencemodelbasedonBosch'sCANworkpiece.Inaddition,inrecentyearsundertheleadershipofProfessorinLawrenz,inGermanyBraunschweig/WolfenbüttelUniversityofAppliedScienceCANconformancetesting,testmodelisbasedoninternationalstandards,teststandardsISO16845.
Currently,amendmentsarebeingstandardizedintheCANspecification.ISO11898-1as"CANdatalinklayer",ISO11898-2as"non-fault-tolerantCANphysicallayer",ISO11898-3knownas"fault-tolerantCANphysicallayer."InternationalstandardISO11992(truckandtrailerinterface)andISO11783(agricultureandforestrymachinery)arestandardintheUnitedStatesbasedontheJ1939CAN-basedapplicationofthedefinitionofsub-agreements,buttheyarenotcomplete.AlthoughithadbeenapioneerinthedevelopmentofCAN,CANstartingpointforresearchisappliedtobussystems,butthefirstmarketapplicationofCANbutfromotherareas.ParticularlyinNorthernEurope,CANhaslongbeenaverypopularapplication.
IntheNetherlands,theelevatormanufacturerKoneusingCANbus.KvaserSwissEngineeringOfficehasproposedtoapplytoanumberoftextile-CAN(LindauerDornierandSulzer),byprovidingthemwithmachineprotocol.Thisarea,intheleadershipofLars-BernoFredriksson,thecompanyestablisheda"CANTextileMachineryusergroup."By1989,theyhaddevelopedcommunicationtheory,andinearly1990tohelpbuild"CANKingdom"developmentenvironment.AlthoughtheCANKingdomisnotanOSIreferencemodelbasedontheapplicationlayer,butitisconsideredahigh-levelprotocolbasedonCANprototype.IntheNetherlands,PhilipsMedicalSystemsdecidedtouseX-raymachineCANconstitutetheinternalnetwork,aCANofindustrialusers.ReleasedmainlybyTomSuters"Philipsmessagespecification-PMS"CANnetworkpresentedthefirstapplicationlayer.WeingartenofAppliedSciencefromtheGermanuniversityprofessor,Dr.KonradEtschbergeralsoholdsthesameview.HemanagedSteinbeisTransferCenterforProcessAutomation(Stzp)company(nowrenamedIXXATAutomationCorporation),anddevelopedasimilarprogram.Inanycase,thefirsthigh-levelagreementistakingshape.
MostofthepioneerCANusemonolithicapproach,communication,networkmanagement,applicationcodecombinationsinthesamesoftware.Evenifsomeusershavemorestandardmodulesavailable,butthefaceofallsolutions,theymustalsoflawed.CANmustbesustainedandstabledevelopmentofhigh-levelagreements-eventoday,someusersstillunderestimatetheproblem.Earlierin1990,beganplanningtheestablishmentofauserorganizationtostandardizethedifferentsolutions.Fewmonthsinearly1992,whenthemagazine'sdirectorofVMEbus(Press:
Franzis)HolgerZeltwangertousersandmanufacturerstogethertodiscusstheestablishmentofaneutralforthedevelopmentofCANtechnologyplatform,butalsotoanalyzethemarketfortheserialbus.
May1992,CiA"CANinAutomation"UsersGroupwasestablished.Onlyafewweeks,CiAisatechnologymagazinepublishedthefirst,whichisonthephysicallayer.CiArecommendsusingonlyfollowtheISO11898oftheCANtransceiver.Untilnow,atthetimeoftheCANnetworkinuseisverycommonbutnotcompatiblewithRS-485transceiverhasbasicallydisappeared,eventhoughitisprovidedbythemanufacturer.CiAisoneofthefirsttasksoftheprovisionsofCANapplicationlayer.AccordingtoPhilipsMedicalSystems(PMS)andStzpprovidecontenttorelyontheassistanceoftherestofCiAmembers,CAL-"CANapplicationlayer"alsoknownasthe"GreenPaper"wasborn.CANapplicationinthedevelopmentofnorms,CiAamajortaskforexpertsandotherCANCANexchangeofinformationbetweenlearners.Thus,since1994,CiACANannualconveninganinternationalconference(iCC).AnothertheoryistodrawontheLAV,anassociationofagriculturalmeansoftransport.Beginlaterin1980,avehiclebasedonCANbussystemofagriculture(LBS)tobeworkedout.Butintheendworkcompleted,theInternationalStandardizationCommitteedecidedtosolutionsofferedtosupporttheUS-J1939.ItisalsoaCAN-basedapplicationofsub-agreement,bytheSAE'sTruckandBusAssociationtodevelop.J1939isanon-modularprogram,easytolearn,butverypoorflexibility.Fromtheorytopractice,ofcourse,produceanintegratedCANmodule15semiconductordevicemanufacturersmainlyfocusontheautomotiveindustry.
Frommid-1990,InfineonandMotorola,thecompany'spassengercarmanufacturersinEuropehavealargenumberofCANcontroller.Asthenextwave,fromthelate1990s,theFarEast,semiconductormanufacturershavebeguntoofferCANcontrollers.In1994,NEClaunchedthelegendintheCANchip72005,butthissteptoosoon-thetime,thisdevicecannotbeputintouse.Since1992,Mercedes-Benz(Mercedes)startedtousetheiradvancedCANbustechnology.ThefirststepbytheuseofelectroniccontrollerstomanageengineCAN;secondstepoperationusingthecontrollerreceivesthesignalpeople.ThisuseoftwophysicallyseparateCANbussystem,theyconnectthroughthegateway.OtherbuscompanieshavealsocometolearninStuttgart,intheirpassengercarsalsousetwosetsofCANbussystem.
Now,afterVolvo,Saab,Volkswagen,BMWlater,RenaultandFiathavealsobeguntousetheirvehiclesCANbus.Earlierin1990,Ohio,mechanicalengineeringcompanyengineersandAllen-BradleyCompany,Honey
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- CAN 总线 发展 外文 文献 翻译 中英文