bosch柴油機(jī)obd技術(shù)及控制策略

1、OBD Technology and Control Strategy for DieselVehiclesRBCD/EAP博世汽車(chē)柴油系統(tǒng)Xu XiaosongDiesel Systems1RBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robertch GmbH reservess evenhe event of industrial property rights We reserve all rights of disal such as copying and passing on to third partiesTable of Content 目錄Di

2、esel OBD system in EU3 stage國(guó)3階段的柴油車(chē)OBD系統(tǒng)sible failures in diesel system and its OBD technology柴油系統(tǒng)可能的故障及其相關(guān)的EGR 廢氣再循環(huán)Air flow sensor 空氣流量傳感器技術(shù)Rail prere sensor 軌壓傳感器OBD control strategyOBD相關(guān)的控制策略In-service conformity test 在用車(chē)符合性檢查Inspection&Maenance (I&M) test 檢查/保養(yǎng)檢測(cè)Relevant tests overview in Euro

3、pe 歐洲相關(guān)的檢查制度體系Development of diesel OBD in EU4 stage and diesel prospect國(guó)4階段柴油車(chē)OBD的發(fā)展，及柴油車(chē)的前景Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert2ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesTable of C

4、ontent 目錄Diesel OBD system in EU3 stage國(guó)3階段的柴油車(chē)OBD系統(tǒng)sible failures in diesel system and its OBD technology柴油系統(tǒng)可能的故障及其相關(guān)的EGR 廢氣再循環(huán)Air flow sensor 空氣流量傳感器技術(shù)Rail prere sensor 軌壓傳感器OBD control strategyOBD相關(guān)的控制策略In-service conformity test 在用車(chē)符合性檢查Inspection&Maenance (I&M) test 檢查/保養(yǎng)檢測(cè)Relevant tests overv

5、iew in Europe 歐洲相關(guān)的檢查制度體系Development of diesel OBD in EU4 stage and diesel prospect國(guó)4階段柴油車(chē)OBD的發(fā)展，及柴油車(chē)的前景Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert3ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partie

6、sSystem Overview of EU3 stage, common rail diesel system國(guó)三階段，共軌柴油系統(tǒng)Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert4ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesThe monitored systems被系統(tǒng)OBD requires

7、 the emiscontrol systems to be monitored, the mostimportant systems are air system and fuel injection system:OBD要求監(jiān)測(cè)排放控制設(shè)備。最重要的排放控制是燃油噴射系統(tǒng)和空氣系統(tǒng)Injection system燃油噴射系統(tǒng)Air system空氣系統(tǒng)Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert5ch GmbH reservess evenhe event of industrial property rights W

8、e reserve allrights of disal such as copying and passing on to third partiesCommo Ra lRail PrereSensorMetering UnitHigh pre re pumpFilterInjectorFuelECUSensorOverview of diagnostic system系統(tǒng)概況MILDiesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert6ch GmbH reservess evenhe event of industrial pr

9、operty rights We reserve allrights of disal such as copying and passing on to third parties儀發(fā)ECU自診斷Watch dog檢查EEPROM 檢查管理系統(tǒng)(DSM)標(biāo)準(zhǔn)儀接口故障內(nèi)存管理MIL 控制故障確認(rèn)功能性.合理性檢查控制器偏差電器連接的執(zhí)行其EGR 閥油量控制單元噴油器傳感器.轉(zhuǎn)速傳感器軌壓傳感器空氣質(zhì)量流量Table of Content 目錄Diesel OBD system in EU3 stage國(guó)3階段的柴油車(chē)OBD系統(tǒng)sible failures in diesel system a

10、nd its OBD technology柴油系統(tǒng)可能的故障及其相關(guān)的EGR 廢氣再循環(huán)Air flow sensor 空氣流量傳感器技術(shù)Rail prere sensor 軌壓傳感器OBD control strategyOBD相關(guān)的控制策略In-service conformity test 在用車(chē)符合性檢查Inspection&Maenance (I&M) test 檢查/保養(yǎng)檢測(cè)Relevant tests overview in Europe 歐洲相關(guān)的檢查制度體系Development of diesel OBD in EU4 stage and diesel prospect國(guó)4

11、階段柴油車(chē)OBD的發(fā)展，及柴油車(chē)的前景Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert7ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesEGR廢氣再循環(huán)EGR valve is driven by vacuum air. EGR system is close loop controlled by ai

12、r mass metering.EGR閥由空氣負(fù)壓驅(qū)動(dòng)。整個(gè)EGR系統(tǒng)根據(jù)新鮮空氣進(jìn)氣量閉環(huán)控制。sible failures in EGR valve and its driving system:EGR閥及其驅(qū)動(dòng)系統(tǒng)可能的故障為：Coking at EGR valve, sot its blockedEGR閥結(jié)焦被卡住Air leakagehe driving system 驅(qū)動(dòng)系統(tǒng)管路的泄漏Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert8ch GmbH reservess evenhe event of industr

13、ial property rights We reserve allrights of disal such as copying and passing on to third partiesEGR 廢氣再循環(huán)The failure of EGR valve or its driving system is detected by monitoringthe close loop controlernor deviation. If the valve is blocked at someition, at some working pos the actualake air mass wo

14、uld not beable to follow the setpo. Theernor deviation at this time would bevery big and its identified as an error.EGR閥及其驅(qū)動(dòng)系統(tǒng)的故障由閉環(huán)控制系統(tǒng)的控制偏差來(lái)閥被卡死在某個(gè)位置，則必定在某些工況點(diǎn)上實(shí)際進(jìn)氣量不能。此時(shí)系統(tǒng)控制偏差會(huì)很，并將被判定為故障。如果EGR設(shè)定值Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert9ch GmbH reservess evenhe event of industria

15、l property rights We reserve allrights of disal such as copying and passing on to third partiesEGR 廢氣再循環(huán)EGR valve blocked at openitionEGR閥卡死在全開(kāi)位置Error detected發(fā)現(xiàn)故障Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert10ch GmbH reservess evenhe event of industrial property rights We reserve allri

16、ghts of disal such as copying and passing on to third partiesAir flow sensor 空氣流量傳感器Air flow sensor is used to measure the fresh air mass the to close loop control the EGR. 空氣流量傳感器用來(lái)測(cè)量新鮮空氣進(jìn)氣量，以閉環(huán)控制 EGR系統(tǒng)。sible failure of AFS:空氣流量傳感器可能的故障為：Drift due to pollution of dust, oil, or water 因?yàn)橛?，水，或者顆粒物的污染造

17、成的漂移Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert11ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesAir flow sensor空氣流量傳感器While overrun, when the EGR valve is closed and no boost pre air flow can be

18、 calculated using engine speed and displacement.re, the不噴油，車(chē)輛滑行倒拖的狀態(tài)下。EGR閥在此狀態(tài)下應(yīng)處于關(guān)閉在發(fā)狀態(tài)，并且沒(méi)有增壓壓力。此時(shí)的新鮮空氣流量可以用發(fā)動(dòng)轉(zhuǎn)速和排量來(lái)計(jì)算。The calculated air mass is then compared with the measured value to monitor the AFS drift.計(jì)算出來(lái)的空氣流量與實(shí)測(cè)的空氣流量進(jìn)行比較，如果差值過(guò)大，則檢測(cè)到空氣流量傳感器漂移的故障。Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/1

19、1/2006 | Robert12ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesAir flow sensor drift detection in overrun空氣流量傳感器漂移的監(jiān)測(cè)Error detected發(fā)現(xiàn)故障Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert13ch GmbH reser

20、vess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third parties(kg/h)Rail preRail prere sensor 軌壓傳感器re sensor measures the fuel prerehe common rail, forthe close loop control of the fuel prere and the injection control.軌壓傳感器用于測(cè)量共軌管中的燃油壓力，

21、以用來(lái)閉環(huán)控制燃油壓力，并進(jìn)行噴射控制。sible failure of RDS：軌壓傳感器可能的錯(cuò)誤：Drift due to pollution 傳感器的漂移Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert14ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesCommon RailPrere Sens

22、orMetering UnitHigh pre re pumpFilterInjectorFuelECUSensorRail prere sensor 軌壓傳感器The drift of the rail prere sensor is monitoredhe start se, whenthe engine speed is zero, ignition key is at “on”ition and no cring.OBD系統(tǒng)在發(fā)監(jiān)測(cè)軌壓漂移。During this time, no rail pre“on”狀態(tài)，但轉(zhuǎn)速仍為零時(shí)，起動(dòng)之前，開(kāi)關(guān)re is build up and the

23、 rail prere sensoroutput should equal to the atmospheric prere.此時(shí)軌壓尚未建立，應(yīng)等于外界大氣壓力，或約等于零。OBD system measure the rail prere sensor outputhis conditionand compare it with the atmospheric prethen a error will be detection.re, if the deviation is too high,OBD系統(tǒng)將此時(shí)測(cè)得的軌壓與大氣壓力進(jìn)行比較，如果差值過(guò)大，則認(rèn)為檢測(cè)到故障。Diesel Sys

24、temsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert15ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesRail prere sensor drift detection軌壓傳感器的漂移Error detected發(fā)現(xiàn)故障Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | R

25、obert16ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesEngine speed (rpm)Rrea(ilbpar)Table of Content 目錄Diesel OBD system in EU3 stage國(guó)3階段的柴油車(chē)OBD系統(tǒng)sible failures in diesel system and its OBD technology柴油系統(tǒng)可能的故障

26、及其相關(guān)的EGR 廢氣再循環(huán)Air flow sensor 空氣流量傳感器技術(shù)Rail prere sensor 軌壓傳感器OBD control strategyOBD相關(guān)的控制策略In-service conformity test 在用車(chē)符合性檢查Inspection&Maenance (I&M) test 檢查/保養(yǎng)檢測(cè)Relevant tests overview in Europe 歐洲相關(guān)的檢查制度體系Development of diesel OBD in EU4 stage and diesel prospect國(guó)4階段柴油車(chē)OBD的發(fā)展，及柴油車(chē)的前景Diesel Syst

27、emsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert17ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesIn-service conformity test 在用車(chē)符合性檢查Pure目的:Ensure the function of the emiscontrol during normal useful life of veh

28、icles確保排放控制系統(tǒng)在車(chē)輛生命周期內(nèi)運(yùn)行正常Regulations in Europe 歐洲中的實(shí)行辦法check of 3 vehicles taken from the field從實(shí)際在用車(chē)輛中抽取3輛車(chē)vehicles aged betn 6 month / 15000 km and 5 years / 80000 km被檢車(chē)輛已被使用了6個(gè)月/15000公里到5年/80000公里之間vehicles must be properly maained and have no indications of abuse, tering or major repair被檢車(chē)輛必須保養(yǎng)良

29、好，不存在曾被，改動(dòng)，和說(shuō)明書(shū)規(guī)定之外的大修before the test vehicles have to be checked for: filters, drive belts, fluids, hoses, wiring, fuel, compres, ignition在進(jìn)試之前，被檢車(chē)輛必須進(jìn)行下述檢查：空濾，所有驅(qū)動(dòng)皮帶，所有液面，線束，燃油回路，發(fā)壓縮和點(diǎn)火Report of OBD memory contentsOBD系統(tǒng)中的故障代碼Test檢測(cè): - Emiss (type I test) 排放（一型實(shí)驗(yàn)）- OBD system including emistests wi

30、th faulty or deteriorated componentsOBD 系統(tǒng) 包括模擬失效模式后用被檢車(chē)輛進(jìn)行排放實(shí)驗(yàn)If test results are negative: Manufacturer must submit a plan of remedial measures to a conformity with the requirements for all vehicleshe field (Recall !)re the如果檢查結(jié)果不合格：車(chē)輛制造商必須提交一份補(bǔ)救措施計(jì)劃，來(lái)確保所有已售出在用車(chē)的符合性Diesel SystemsRBCD/EAP1- Xu Xiao

31、song | 23/11/2006 | Robert18ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesIn-service conformity test在用車(chē)符合性檢查T(mén)he in service conformitynot strictly performed in Europe, because thefollowing difficulty在用車(chē)符合性檢查在歐

32、洲實(shí)際并未嚴(yán)格執(zhí)行，是因?yàn)榇嬖谝韵卢F(xiàn)實(shí)的:High difficulty to get a proper car. Taxi not proper because of unusual ensively use, normal private cars are not able to get freely.不容易得到合適的被檢車(chē)輛。作為公共用途目的的車(chē)輛，如出租車(chē)往往使用強(qiáng)度過(guò)高；而車(chē)則不能免費(fèi)的隨意得到。The influence of environment conditions are too high. Different fuel quality and air quality ma

33、y need to unexpected deterioration.被檢使用過(guò)程中駕駛環(huán)境的影響對(duì)檢測(cè)結(jié)果將有很大的影響。不同的油品，空氣質(zhì)量或者是環(huán)境溫度，可能導(dǎo)致不同的難以確定。老化結(jié)果。而對(duì)被檢車(chē)輛的使用環(huán)境Difficult to determine the sus of the test car. Different driving behaviour andmaenance are not so easy to identify, ban lead to very different results.難以確定車(chē)輛的維修保養(yǎng)，和使用情況。如果維修保養(yǎng)沒(méi)有做好，甚至車(chē)主的駕駛不同，都

34、會(huì)導(dǎo)致不同的老化結(jié)果，以影響到檢測(cè)結(jié)果。Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert19ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesInspection&Maenance (I&M) test檢查/保養(yǎng)(I&M)檢測(cè)Inspection&Maenance (I&M)performed to ev

35、ery in-service carhe following manner 檢查&保養(yǎng)(I&M)檢測(cè)對(duì)實(shí)際在mandatorily every two years用車(chē)輛每?jī)赡暌淮蔚膹?qiáng)制例行檢查，規(guī)程如下:Visual inspection of vehicle對(duì)被檢車(chē)的人工檢查Check functionality of MIL (ignition on, then MIL on, off)檢查故障燈是否工作正常Check readiness of all supported readiness groups檢查就緒狀態(tài)是否全部就緒Read Diagnostic Trouble Codes (

36、DTC) by Mode $03通過(guò)通用模式$03讀故障代碼If all above ies are o.k. the check is over and vehicle passed如果以上檢查項(xiàng)目全部合格，則通過(guò)檢查If readiness is not achieved for all supported groups, a spel sootmeasuremens to be performed as alternative如果就緒狀態(tài)沒(méi)有全部就緒，則不讀故障代碼，而進(jìn)行一個(gè)煙度的檢測(cè)作為替代Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/20

37、06 | Robert20ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesDiesel Inspection&Maenance (I&M) test in Germany在德國(guó)柴油車(chē)的(I&M)檢查流程開(kāi)關(guān)開(kāi),故障燈亮?否是否發(fā)怠速能建立通信?否替代測(cè)試是煙度測(cè)量通過(guò)?故障燈滅?否就緒狀態(tài)全部就緒?否是是是是否模式$03讀到故障代碼?人工檢查通過(guò)？No是Diesel S

38、ystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert21ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third parties檢測(cè)完成車(chē)輛通過(guò)通用OBD儀故障燈工作正常檢測(cè)完成車(chē)輛不通過(guò)Prout ofresult檢測(cè)未完成車(chē)輛不通過(guò)人工檢查Relevant tests overview in Europe歐洲相關(guān)的檢查制度體系I&M test

39、ingI&M 檢查Every 2 years每2年一次AUEOBDvehicleLife time of vehicle車(chē)輛期registration 車(chē)輛首次登記3 years 三年首檢Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert22ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesOn-Board

40、-Diagnosis - continously under real world driving conditions (OBD) - 在車(chē)輛的實(shí)際使用中持續(xù)不斷的進(jìn)行檢測(cè)All vehicleshe field with OBD所有帶OBD的在道行駛的車(chē)輛In-service conformity test(up to 5 years / 80.000 km for EU III)在用車(chē)符合性檢查（對(duì)最多到5年/80000公里）only limited sle of vehicle types chosen by authority (not strictly performed)各車(chē)型只

41、有有限的樣本被權(quán)力機(jī)關(guān)到（未嚴(yán)格執(zhí)行）AUEOBDvehicleTable of Content 目錄Diesel OBD system in EU3 stage國(guó)3階段的柴油車(chē)OBD系統(tǒng)sible failures in diesel system and its OBD technology柴油系統(tǒng)可能的故障及其相關(guān)的EGR 廢氣再循環(huán)Air flow sensor 空氣流量傳感器技術(shù)Rail prere sensor 軌壓傳感器OBD control strategyOBD相關(guān)的控制策略In-service conformity test 在用車(chē)符合性檢查Inspection&Maena

42、nce (I&M) test 檢查/保養(yǎng)檢測(cè)Relevant tests overview in Europe 歐洲相關(guān)的檢查制度體系Development of diesel OBD in EU4 stage and diesel prospect國(guó)4階段柴油車(chē)OBD的發(fā)展，及柴油車(chē)的前景Diesel SystemsRBCD/EAP1- Xu Xiaosong | 23/11/2006 | Robert23ch GmbH reservess evenhe event of industrial property rights We reserve allrights of disal such as copying and passing on to third partiesDevelopment of die