lx2002摩托车电喷匹配试验分析

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1、重庆大学硕士学位论文英文摘要ABSTRACTAlongwiththestrietenvironmentProtectionregulationandtheraisingPriceoffuel，it15veryhardforthetraditionalcarburetor一mountedenginetomeettherequirementofhighPower，lowfuelconsumPtionandlessPollution，andit15well枷ownthattheelectronieeontrolledfuelinjeetionsystem

2、15theonlyandbestwaywhiehean们nCettheneeds.ThisProjeet15basedontheLX200一2motorcyele(usingearburetorgasolineengineofLC163FML一2)madeinChongqingLoneinhidustry(GrouP)Co.，Ltd.Thegoalofthetask15makingvehiele’5exhauste而ssionfulfilltheEmark一111standardwhilekeePingconsistentonPoweroutPut

3、andfueleeonomy.Thefollowingmainwork15:(1)alterationoftheeomPonents:throughoPti而zingtheengineairinPutsystem，alteringthemagnetoandaddingthesensorofrunningsPeedandPosition，ehangedthecarburetor一mountedengineintoelectroniecontrolledengine，thenrebuildingthevehielefuel一suPPlyingsyste

4、m，fixinglambdasensoronthemumertoachieveelosedlooPeontrol(2)eonfirmthecontrolelement:afteranalysis，eonfirmtheAIFratioandignitiontimeastheeontrolelement(3)ealibrationoftheengineParameters:estimatedfuel一injeetionandignitiontimebeforehand，thenadjustedthetimeexaetly，andmadetheinjee

5、tionandignitiontimeasMAPdePositedintotheECU.(4)oPti而zedvehieles，Pararnetersinallkindsofrunningstate，ineludingstart一uP、quickiyaccelerated.thendePositedthePararneters’ehangesintotheECU.(5)environmenttest:havingtestindifferentenvironment，ineludingtableland、hightemPeratureareaandl

6、owertemPeraturearea，eheckedthereliabilityofassemblyeomPonents，modifiedrelatedParametersaccordingtothechanges.atthesarnetime，verifiedtheself-learningfunetionofECU.AsthecomPanydoesn，tPossessanyteehnicaldePositoraceumulate，50it，saexPloringwork.Throughlookingforthebestwayfortheele

7、ctroniceontrolsystemalteration，finallyreachedtheobjeetofadvaneingteehnologylevel.Aftermorethanoneyear’5hardwork，theProjeethavefinishedandreaehedit’5Purpose.theProjeetmadeamassyfoundationforthefollowingelectronieeontrolalterationonmotorcyele.Keywords:LX20()一2motoreyele:Closeloo

8、Peleetroniceontrol:Matehing:Calibration:A/Fratin，重庆大学硕士学位论文目录