資源描述：
《汽車發(fā)動機電控技術（automotive engine electronic control technology）》由會員上傳分享，免費在線閱讀，更多相關內容在教育資源-天天文庫。
1、汽車發(fā)動機電控技術（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
