一种新型水轮发电机组机械过速保护装置的研制与应用

!#$%&!#$%&123AbstractsAbstract:Keywords:Abstract:Keywords:Abstract:Keywords:Abstract:Keywords:Abstract:Keywords:Abstract:Keywords:Abstract:Keywords:Abstract:Keywords:Abstract:Keywords:Abstract:Keywords:ThispaperputsforwardadesignmethodofminiatureBLDCcontrollerbasedonTMS320LF2407,andanalyzesthesolutioninthreeaspectsthatarehardcircuitdesign,controlpolicyandsoftwaredesign.DSP;BLDC;controllerTheworkingelectriclocomotiveintheelectricrailwaysectorfrequentlyneedspersonneltocarrytheinspectionandmaintenance.Inordertopreventcasualtycausedbytheoperatingpersonnelgoesascendswithoutobservingtheoperationalsecurityregulations,thispaperdevelopesasetoflocomotivesrooflouverapplicationtogivealarmandlinkagegrounding,andguaranteestheoperationalsecurity.electriclocomotive;catenary;securitywork;securityalarm;linkagegroundingThroughanalyzingthefunctionandprincipleofachinesetraditionalmedicinemachine,theauthorhasdesignedthreeschemestorealizethefunctionofwipingthepill,thentheadvantageanddisadvantageofthemachinesareanalyzedtochoosethebestschemetocarryoutthetest.Inthetest,somefactorsthatinfluencethequalityofthepillsarecalculatedandresearched,throughwhichthemajorstructuresareoptimizedandimproved.Accordingtotheresearchresults,thesamplemachinecanbemanufactured.chinesetraditionalmedicinepill;mechanicaldesign;wipingpillmachine;optimizationUsingtheimprovedalgorithmofwaveletpacketdecomposition,thecharacterparameterwhichiswaveletpacketenergypercentumofthecylindercapvibrationsignalduringafullworkingcycleofdieselengineispickedup,andbyimprovedback-propagationnetworkalgorithm,thevalvegapabnormalfaultisdiagnosed.faultdiagnosis;valvegap;Vibration;waveletpacket;back-propagationAccordingtothepresentdevelopingsituationofcarbearingsimulationtester,thedesignmethodofthetestersystemisputforwardinthispaper.Thecompositionofeverypartsandtheprincipleofthetesterhavebeenanalyzedindetail.Thissystemhasbeenprovedreasonableandreliablethroughexperimentsanditprovidesabaseforcarbearingsimulationtestsimprovement.carbearing;simulation;tester;systemdesignThispaperdescribesthedesignofanautomaticmagneticguidedvehiclemodel,whichhasrealizedthefundamentalfunctionsofAGV,suchasautomaticcharging,intelligentguidance,humanrecognition,voicebroadcastandwirelesscommunicationwithPC.Thispapermainlydescribesthedigitalcontrol,andthehardwaredesignofthemodel,andprovidesthemaincircuitschematic,andmakesfurtherdiscussaboutthedesignofAutomaticGuidedVehicleonthebasisofthismodel.intelligent;automaticguidedvehicles;automaticcontrol;singlechipThispaperintroducestheprinciple,thestructuralstyleandtheworkcharacteristicofthefastprotectivedeviceofwater-turbinegeneratorsetmachinery,anddiscussesthemethodofapplyingthefastprotectivedevicetothewater-turbinegeneratorsetmachinery.fastprotectivedevice;water-turbinegeneratorset;machineryThispaperintroducestheworkingmechanismofengineantiwearadditiveanddiscussesthefull-loadperformanceandconstantspeedcharacteristiccomparisonexperimentsonZY156FMIenginebench-bedunderthesameconditions,someoftheseexperimentsuseoilthatcontains4%HaoZiranengineoilantiwearadditive,andothersdont.ExperimentalresultsindicatethatHaoZiranengineoilantiwearadditiveincreasestheenginetorquebyabout4.8%andreducesoilconsumptionbyabout5.8%.lubricatingoiladditive;frictionloss;savingfuelMultileafcollimator(MLC)isanadvancedintelligentmechatronicsproduct,itisamainequipmentfortheaccurateradiationtreatment.Besideithasafunctionofradiationfieldcompensatorblock,itprovideswitharcradiationtherapyandintensity-modulatedradiationtherapynewtechnologies.Multileafcollimator(MLC)mustbeusedtogetherwithtreatmentmachine,itcanbesetinsideorhangoutside.TheleafofMLCisdifficulttoproduce,thetransmissionmachineisprecise,thecontrolsystemiscomplex,thespaceofmainframeissmall,soitisdifficulttoproduce.Thestructure,material,process,transmissionsystem,accurateorientationofaleaf,thepositioncheckandreviseofaleafarethemainquestionsofMLCdesign.multileafcollimator;function;configuration;structure;control;techniqueparameterThesurfaceroughnessinthewirecutofelectricdischargemachineworkisoneoftheimportantparameterstomeasuretheworkperformance.Duringtheperiodofthework,surfaceroughnesswillbeinfluencedbydischargingcurrent,whichincludesinfluencingondischargingcurrentenergy,widthofcurrentpulseandpolarityofcurrent.Throughtheexperimentswithquicklywirecutofelectricdischargemachines,thispaperanalyzesandstudiedtheinfluenceregulationofthedischargingcurrenttothesurfaceroughness.wirecutofelectricdischargemachineswork;surfaceroughness;processparameter07-09-64AlarmandtheLinkageGroundingInstrument07-09-67OptimizationDesignofaChineseTraditionalMedicineMachine07-09-70DiagnosisofValveGapAbnormalFaultofDieselEngineBasedonWaveletPacketandNN07-09-74DesignofCarBearingSimulationTesterSystem07-09-77TheDesignofIntelligentAGVModel07-09-80AKindofNewFastProtectiveDeviceofWater-TurbineGeneratorSetMachinery07-09-81ResearchontheInfluenceofNovelEngineOilAntiwearAdditivetoAutomotiveEnginePerformance07-09-85TheDesignandResearchofMultileafCollimator07-09-89ResearchonProcessParamete