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1、汽车发动机电控技术（Automotiveengineelectroniccontroltechnology）1.Fillintheblanks1.ChinahasissuedanoticeonJune27,2001,afterJuly1,2001,cancelingtheproductionofcarburetortypeengine,andsuspendingtheproductionof187kindsofcarburetorsand5passengercars.2.Developmentofautomotiveelectroniccontroltechnology
2、.Fromthemid-1960stothemid-1970s;Inthelate1970sandmid-1990s,thetwophasesofmechanicalelectroniccontrolweredeveloped.Sincethemid-1990s,therearethreephasesofdevelopmentofautomotiveelectronics.3.Intheelectricfuelinjection(EFI)system,theECUdeterminesthefuelinjectionvolumeaccordingtotheintakevo
3、lume,andaccordingtothesignaltotheoilinjectionquantitycorrection,theengineobtainstheoptimumconcentrationofthemixture.4.Ignitioncontrolsystem(ESA)functionistheignitionadvanceAnglecontrol.5.Theidlingcontrolsystem(ISC)functionistocontroltheintakevolumebycontrollingtheidlespeed.6.Theairintake
4、controlsystemisbasedontheenginespeedandloadandcontrolstheintake.7.Emissioncontrolincludesexhaustgasrecirculation(EGR)control,activatedcarboncansolenoidvalvecontrol,oxygensensorandclosed-loopcontrol,secondaryairinjectioncontrol.8.Thecontrolsystemautomaticallypressesthereferencesignalvalue
5、setbythecomputerwhenfailureprotectionsystemfunctionfails.9.Theemergencystandbysystemfunctionistocontroltheenginetotheforcedoperationaccordingtotheprogrammedsignalwhenthesystemfails.10.Theelectriccontrolgasolineinjectionsystemisprovidedbyairsupplysystem,fueloilsupplysystem,ignitioncontrol
6、systemandelectroniccontrolsystem.11.Twobasictypesofelectroniccontrolsystemareopen-loopcontrolsystemandclosed-loopcontrolsystem.12.Oilinjectorposition:cylinderinjectionandcylinderejection.Fuelinjectionsequence:sequentialinjection,groupinjectionandsimultaneousinjection.Injectornumber:singl
7、epointjetandmulti-pointinjection.13.Thetypeofsensor,airflowmeter,inletabsolutepressuresensor,throttlepositionsensor,crankshaftpositionsensor(CAM),coolanttemperaturesensor,speedsensor,airintaketemperaturesensor,oxygensensor,knocksensor.14.EngineECUgivesthesensor2V,5V,9Vor1
