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1、汽车发动机电控技术（Electroniccontroltechnologyofautomobileengine）First,fillintheblanksOurcountryhas1.fromJune27,2001issuedanoticeinJuly1,2001,canceledthecarburetorengineproduction,187carsand5busesusingcarburetordiscontinuedmodels.2.developmentofautomotiveelectroniccontrolt
2、echnology.Inmid1960stomid70sforastage;attheendof1970stomid1990sforthetwostagesofthedevelopmentofmechanicalandelectroniccontrol;afterthemiddleofthe1990sisthethreestageofautomotiveelectronicsdevelopment.Inthe3.electronicallycontrolledfuelinjection(EFI)system,ECUdete
3、rminestheinjectionamountaccordingtotheintakevolume,andthefuelgasiscorrectedaccordingtothesignalsoastoobtaintheoptimumconcentrationofthemixture.4.theignitioncontrolsystem(ESA)functionistheignitionadvanceanglecontrol.5.idlespeedcontrolsystem(ISC)functionistocontrolt
4、heidlespeedtocontroltheairintake.6.theairintakecontrolsystemcontrolstheintakeaccordingtotheenginespeedandload.7.emissioncontrolincludingexhaustgasrecirculation(EGR)control,activatedcarboncanister,solenoidvalvecontrol,oxygensensorandclosedloopcontrol,andtwoairinjec
5、tioncontrol.8.thefunctionofthefailureprotectionsystemisthatthecontrolsystemautomaticallyworksaccordingtothereferencesignalvaluesetbythecomputerwhenthetroubleoccurs.9.emergencystandbysystemfunctionisthesystemcomputerfailure,accordingtothesetofsignalstocontroltheeng
6、ineintothemandatoryoperation.10.electroniccontrolledgasolineinjectionsystemconsistsofairsupplysystem,fuelsupplysystem,ignitioncontrolsystemandelectroniccontrolsystem.11.basictypesofelectroniccontrolsystemsareopen-loopcontrolsystemsandclosedloopcontrolsystems.Twoba
7、sictypesofelectroniccontrolsystemsareopen-loopcontrolsystemsandclosedloopcontrolsystems.12.injectorlocation:incylinderinjectionandoffcylinderinjection.Fuelinjectionsequences:sequentialinjection,blockinjection,andsimultaneousinjection.Numberofinjectors:singlepointi
8、njectionandmulti-pointinjection.13.typesofsensors:airflow,airinletabsolutepressuresensor,solartermdoorpositionsensor,crankshaftpositionsensor(CAM),coola
