刀盘驱动的液压系统

Mining&ProcessingEquipment88888888888888888888888888888888888888888888888888888888888888888888888888888888888888Mining&ProcessingEquipmentHydraulicSystemforDrivingtheCutterHeadintheSimulativeTest-BedofTunnelBoringMachine...................HEYuLian(30-31)Thesimulativetest-bedoftunnelboringmachinecouldbeusedformakingthefunctionalsimulationtoeachworkingunitofTBM,andmakesinspectionanddebuggingtothecontrolsystemofTBM.Thehydraulicsystemofthetest-bedisnotonlythepowertodriveeachworkingunit,butthemaincontrolobjectofthecontrolsystem.Italsobrieflyintroducesthedesignschemeandtheworkingprincipleofthehydraulicsystemfordrivingthecutterhead.DescriptorsCutterheadHydraulicsystemRotaryvelocitySteeringBrakeLoaders&HaulersDesignandStudytotheWirelessTransmit-and-ReceiveSensorfortheLocomotiveNumberintheSignalCentralizedandLockedSystem.......................................................CHENJianetal.(44-46)Thepaperoffersthedesignschemeofthewirelesstransmit-and-re-ceivesensorforthelocomotivenumberbyapplyingdecodechipPT2262/2272,thetransmit-and-receivemoduleTX315Aandthesingle-chipprocessorAT89C2051.Totransmitsignalintermittentlyisrealizedandsharedchannelinterferenceissolvedperfectly,whichhasbeenappliedtothepracticalproduction.DescriptorsWirelesstransmit-and-receiveSensorforthelocomotivenumberSignalcen-tralizedandlockedsystemPIDControltoElectromagneticVibrationFeeder............................................................................................WANWenetal.(55-56)Thepaperstudiestheelectromagneticvibrationfeedercontrolledbythemicrocontrollercomposedbysingle-chipprocessor.Thesolid-flowmeterisusedformeasuringfeedingflux.Accordingtothesys-temiccharacteristic,italsodesignsthePIDcontrollertorealizetheautomaticfeedingclosed-loopcontrolsystem.DescriptorsElec-tromagneticvibrationfeederPIDcontrolSingle-chipprocessorPulseWidthModulation(PWM)Velocity-RegulatingSystemoftheStorageBatteryElectricLocomotiveControlledby87c196mcSingle-ChipProcessor............................SHIXiaoYanetal.(57-58)ThepaperintroducestheDCPDMvelocity-regulatingsystemofthestoragebatteryelectriclocomotivecomposedof87c196mcprocessorandtheIntelligentPowerModule(IPM).Photoelectriccoderservesasthevelocity-detectingsensorandPIdigitalcontrolling,PWDsignalascontroloutputtoregulatevelocity.Italsooffersthedesignforthehardwareandsoftwareofthesystem.Descriptors87c196mcDCvelocity-regulatingIPMAnalysistotheBackSwingMotionoftheBackhoeBucketRodofHydraulicExcavatorandtheResolvent...............HUAJing(63-64)Thepaperdiscussestheinstabilityofthebackswingmotionofthebackhoebucketrod,thepausingcausewhileitmovestouprightandcorrespondingresolvent,thusthehaltingtimecouldbeshortenedasmuchaspossible.DescriptorsHydraulicexcavatorBackswingmotionofthebackhoebucketrodLoadThrottleBackingpressureAnalysistotheWeldingDeformationoftheCarcaseofHingedTruckUsedinCoalMineandtheControlMeasures................................................................................................MAJianMin(67-68)ByanalysistotheweldingdeformationoftherearcarcaseofWC8self-dumpinganti-explosiontruckwithrubbertire,thepapercom-binesthedeformationtheoryofweldingstresstoindicatethestruc-turalandtechnicalfactorsthataffecttheweldingdeformationofcarcase,andprovidesthemethodtocontroltheweldingdeformationandthepreventivemeasures.DescriptorsSelf-dumpingtruckwithrubbertireRearcarcaseWeldingdeformationControlmeasureHoists&WinchesStudytoDenoisingtheMalfunctionSignalOccursfromtheVerti-calElevatingSystemDrivenbythePermanentMagnetLinearSyn-chronousMotor(PMLSM)BasedontheWaveletTransformationPrinciple............................................FENGHongMeietal.(73-74)Forthedenoisingtheoryforthenonlinearsignalbasedonthewavelettransformationprinciple,thepaperoffersakindofdesignschemeofdenoisingthemalfunctionsignaloccursfromthePMLSMverticalelevatingsystemthattheDigitalSignalProcessor(DSP)servesasthecorecomponenttodetectandprocessthesignal.Thetestshowsthatthewavelettransformationisappliedtothesystemtodenoisethemalfunctionsignal,thusthesuddenchangecharacteristicofthesignalispreserved,whichbenefitsthedetectionforthemalfunctionnature.DescriptorsWavelettransformationPMLSMDenoisethesignalStudytotheMalfunctionDiagnosisExpertSystemBasedontheMalfunctionTree......................................LIUZhiHaietal.(75-77)Thepaperbrieflyintroducesthebasicstructureofthemalfunctiondiagnosisexpertsysteminthebrakingsystemofminehoist,givesemphaticnarrationtothefoundationofknowledgebaseandthereal-izationofreasoningmachine.Themalfunctiontreeanalysismethodisintroducedwhiletheknowledgebaseisfounded,andthepaperbrieflynarratestheprocessandmethodforfoundingtheknowledgebasebyapplyingthemalfunctiontree.Retematchingalgorithmisappliedtodesigntheprogramofreasoningmachine,thusthereasoningeffi-ciencyincreasesgreatly.DescriptorsMalfunctiondiagnosisEx-pertsystemMalfunctiontreeRetealgorithmReliabilityDesigntotheProgrammableControllerofDigitallyControlledHoist.................................WANGDeFangetal.(77-78)Thepaperconcludesthedesignpointofthesystematiccharacteristic