B787-8型培ATA76發(fā)動機控制概s2manualcontrolthroughthrustcontrolmoduleautomaticcontrolfromEECbasedonaircraftandengine推力控制組件partofthe推力控制組件senginescontrolforwardReversealsousedAutothrottleTakeoff/go-around(TO/GA)ForwardthrustleversReversethrustleversTO/GAswitchesAutothrottledisengageswitchesFuelcontrolswitches推力控制組件Interfaceswiththese nesystemsandElectronicenginecontrolCommoncoresystemThrustreverser(T/R)AirdatareferencefunctionFuelEnginemonitoringunitsendsignalstoopenorclosefueltooperateorshutdownthesendsignalstotheRDCsandthesparvalvestartswitchRDCssendthesignalstoCDNandthentoEECtooperatetheFMVandHPSOVinFMUtherelaysusethesesignalstocontrolthesparvalveandHPSOVinSwitcheshave2toselectapulltheswitchoutofaredLEDsinswitchhandlescomeonwhenengineOperation-Eachthrustlevermechanicallyconnectsto2TLAEnginecontinuenormaloperationwith1resolverresolverssendthrustleverresolverangle(TRA)datatoEECandCCSforthrustcontrolTLAresolverpoweredbyTRAshowsonEPCSOperation-T/Rlockoutsolenoid（反推鎖線圈NotenergizedT/Rlockoutsolenoidandlockoutarmblocksthereversethrustleverswhenthethrustleverisforwardofidle.alsoblocksthethrustleverswhentheyareatidleandareverseleverEnergizesbyacommandfromEECwhenconditionsarecorrecttooperatetheT/RsThisletsfullmovementofreversethrustOperation-WhenfuelcontrolswitchissettotheRUNelectricalpowerisremovedfromtheFMUshut-offcoiltoenginefuelshutoffvalvetoopenbytheEECcommandwhensufficientfuelpressureisprovidedbytheenginerotation dtheopenwindingofsparvalveignitionEECuntilsufficientpowerisprovidedbytheenginemonitoringEEC概3大功能EnginethrustFaultmonitoring Maintenanceadual-channelmicroprocessor(channelAandchannelB)eachchannelabletocontrolthecontrolsenginethrustwithmanyenginethrustleverpositioncommandfromthe additional nedatareceivedoverEEC接EECinterfaceswiththeseengineEngineratingAlternatorT12,T25,andT3N1andN2speedOiltemperaturesensor&pressureLPTandHPTactiveclearancecontrol(ACC)VSV&VBVCCCvalve&temperatureFuelmanifoldpressureandtemperatureEngineoillevel/temperatureIgnitionDMSEEC接SomepressuresandtemperaturesgotointernalEECCompressordischargepressure,P0壓力感backuptotheair neambientpressureinputforenginecontrolaP0sensingineachfancowlatthe4:00orsensefromtheseportsconnectatthetopofthefancowlsandformasinglelinewhichconnectstotheEECP0pressureinsideEECconnecttobothchannelAandP0壓力傳感P0operatingrangeis1.6to20usedbytheEECtoEngineCalibratedairspeedImpactStandarddayPS3壓力感 sthestaticdischargepressureofthecompressorairtotheEEC,fortheseenginecontrolalgorithms:umengineIdleLubricationsystemsumpStallCombustorFlame-outAuto-relightEngineanti-PS3operatingrangeis5to750IfPS3failsatstableenginetheenginespeedstaysEEC推力管理系系統(tǒng)包括Thrustcontrol modationOverspeed mandedand/oruncontrollableoverthrustuncontrollablehighthrustinwhichthethrustlevercommandcannotdecreasethrustduringforwardorreversethrustoperation.OverspeedEECcontrolsenginefuelflowtolimitfanspeedN1andcorespeed推力控制失效調(diào)節(jié)preventsaTCMeventfrom inghazardoustotheair whileonground.IfaTCMeventdetected,TCMAfunctioncommandsengineshutdownnofanspeedsensorfailurethatwouldinhibitTCMATRAisintheidleflatorreverseEECcontrols2mechanismstoshutofffuelElectronicoverspeedsystem(EOS)Fuelmeteringvalve超速保護系統(tǒng)maintainstheenginewithincertifiedrotorspeedEO