資源描述:
《馬友朋-汽車(chē)can總線概述及其故障診斷檢測(cè)方法》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、鄭州交通職業(yè)學(xué)院畢業(yè)論文論文題目:汽車(chē)CAN總線概述及其故障診斷檢測(cè)方法所屬系別機(jī)電工程系專業(yè)班級(jí)09級(jí)汽車(chē)電子技術(shù)5班姓 名馬友朋學(xué) 號(hào)200909030210522指導(dǎo)教師任鳳娟撰寫(xiě)日期2012年5月5摘要隨著汽車(chē)技術(shù)的快速發(fā)展,汽車(chē)性能不斷提高,汽車(chē)電器與電子控制裝置在汽車(chē)上的應(yīng)用越來(lái)越多,傳統(tǒng)的汽車(chē)布線難以滿足汽車(chē)技術(shù)發(fā)展的要求。為了簡(jiǎn)化線路,提高信息傳輸?shù)乃俣群涂煽啃?,降低故障頻率,車(chē)載網(wǎng)絡(luò)技術(shù)應(yīng)運(yùn)而生。一輛汽車(chē)不管有多少個(gè)電控單元,每個(gè)電控單元都只需引出兩條線共同接在兩個(gè)節(jié)點(diǎn)上,這兩條導(dǎo)線就稱作數(shù)據(jù)總線,也稱網(wǎng)
2、線基于CAN系統(tǒng)的增長(zhǎng)貫穿了20世紀(jì)90年代,并且由于硬件控制器元件供應(yīng)商不斷降低成本的努力及提供大量產(chǎn)品來(lái)支持基于CAN的系統(tǒng),這一增長(zhǎng)趨勢(shì)在未來(lái)十年仍將持續(xù)。本文介紹了車(chē)載網(wǎng)絡(luò)系統(tǒng)的功能、特點(diǎn),網(wǎng)絡(luò)技術(shù)在汽車(chē)上的應(yīng)用情況及車(chē)載網(wǎng)絡(luò)技術(shù)的發(fā)展趨勢(shì)。關(guān)鍵詞:車(chē)載網(wǎng)絡(luò)技術(shù),應(yīng)用,現(xiàn)狀,展望AbstractWiththerapiddevelopmentofautomobiletechnology,automobilecontinuouslyimproveperformance,automotiveelectricalandelec
3、troniccontroldeviceanditsapplicationinautomobileismoreandmore,thetraditionalautomobilewiringisdifficulttomeettheneedofautomobiletechnologydevelopment.Inordertosimplifythecircuit,improvingtheinformationtransmissionspeedandreliability,reducethefailurefrequency,vehicle
4、networktechnologyemergeasthetimesrequire.OnecarnomatterhowmanyelectroniccontrolunitECU,eachonlytwolinesledtoconnectedtothetwonode,thetwowiresiscalledadatabus,alsoknownasnetworksystembasedontheCANgrowththroughnineteenninties,andbecausethehardwarecontrollercomponentsu
5、ppliercontinuouscostreductioneffortsandprovidealargenumberofproductstosupportsystembasedonCAN,thisgrowthtrendinthefuturetenyearswillstillcontinue.Thispaperintroducesthefunction,characteristicsofvehiclenetworksystem,networktechnologyapplicationinautomobileandvehiclen
6、etworktechnologydevelopmenttrend.Keywords:networktechnology,application,presentsituation,prospect目錄1前言12汽車(chē)選擇CAN總路線技術(shù)的原因13汽車(chē)CAN總路線技術(shù)23.1CAN-BUS介紹23.2CAN-BUS總線特點(diǎn)23.2.1數(shù)據(jù)交換原理33.2.2實(shí)時(shí)數(shù)據(jù)傳送33.2.3消息的幀格式(Frameformat)43.2.4檢測(cè)和信號(hào)錯(cuò)誤43.3CAN-BUS特點(diǎn)43.3.1CAN-BUS系統(tǒng)組成及性能43.3.2CAN-BU
7、S數(shù)據(jù)鏈路控制特點(diǎn)53.3.3CANopen協(xié)議53.4CAN-BUS應(yīng)用64車(chē)載網(wǎng)絡(luò)系統(tǒng)的功能64.1多路傳輸功能64.2“喚醒”和“休眠”功能64.3失效保護(hù)功能64.4故障自診斷功能75車(chē)載網(wǎng)絡(luò)系統(tǒng)的特點(diǎn)76網(wǎng)絡(luò)技術(shù)在汽車(chē)上的應(yīng)用76.1動(dòng)力傳動(dòng)系統(tǒng)86.2安全系統(tǒng)86.3車(chē)身系統(tǒng)86.4信息(娛樂(lè))系統(tǒng)97寶來(lái)(Bora)轎車(chē)CAN數(shù)據(jù)傳輸系統(tǒng)的原理與故障診斷97.1寶來(lái)(Bora)轎車(chē)CAN數(shù)據(jù)傳輸系統(tǒng)構(gòu)成及工作原理97.1.1CAN數(shù)據(jù)傳輸系統(tǒng)構(gòu)成97.1.2各部件功能107.1.3數(shù)據(jù)傳遞過(guò)程107.2動(dòng)力CAN
8、數(shù)據(jù)傳輸系統(tǒng)107.2.1動(dòng)力CAN數(shù)據(jù)傳輸系統(tǒng)的組成107.2.2CAN數(shù)據(jù)傳輸系統(tǒng)故障碼查詢117.2.3CAN數(shù)據(jù)傳輸系統(tǒng)故障診斷117.3舒適CAN數(shù)據(jù)傳輸系統(tǒng)127.3.1舒適CAN數(shù)據(jù)傳輸系統(tǒng)的組成127.3.2CAN數(shù)據(jù)傳輸系統(tǒng)故障碼查詢127.3.3CAN數(shù)據(jù)