学科分类
/ 18
354 个结果
  • 简介:Howtoletthespecialstubborndestructivecultbelieversrelievethedestructivecult’sspiritualcontrolandtobreakawayfromthedestructivecultisamajorproblemfacedbypeopleallovertheworldwhoaredevotingthemselvestotreatingthedestructivecultbelievers.Experienceshowsthattheuseofthe“latentlearningmethod”canachievegoodresults.Thearticleexpoundsthreepsychologicaltheoriesbasedonthislaw,includesthebehavioristpsychologist,Tolman’slatentlearningtheory,Bandura’sindirectlearningtheory,andphysiologicalpsychologistPenfield’ssurgicaldiscoverythatallthingsperceivedinthebrainarestoredinthebrain.Thisarticlealsointroducesthespecificoperationandapplicationofla

  • 标签:
  • 简介:Thepurposeofthisstudywastounderstandtheeffectofimplementingmultipleintelligence(MI)-basedinstructiononthesciencelearningmotivationandlearningachievementof7thgradejuniorhighstudents.Thisquasi-experimentalresearchstudyutilizedquestionnairesandtestsofsciencelearningmotivationandlearningachievement,andexaminedcollecteddatathroughuseofthestatisticalpackageforthesocialsciences(SPSS).Ananalysisofcovariance(ANCOVA)andat-testwereperformedinordertoexplorethedifferencesbetweenthesciencelearningmotivationsandlearningachievementsoftheexperimentalgroup(N=39),whoweresubjectedtoteachingbasedonMItheory,andthecontrolgroup(N=36),whoweresubjectedtotraditionallectures.Theresultsofthestudyshowthat,afterimplementingMI-basedinstruction,thestudentsintheexperimentalgroupsignificantlyoutperformedthoseinthecontrolgroupintermsofsciencelearningmotivation,sciencelearningvalue,andactivelearningstrategies,whilethestudentswithlowlearningachievementshowinganimprovementintheirlearningattitudethatallowedthemtodevelopapositivelearningattitudetowardbiologyclassesandraisedtheirclassparticipationandpreferenceforbiologyclasses.

  • 标签: MULTIPLE intelligences(MI) LEARNING MOTIVATION LEARNING ACHIEVEMENT
  • 简介:Thecapabilityandreliabilityarecrucialcharacteristicsofmobilerobotswhilenavigatingincomplexenvironments.Theserobotsareexpectedtoperformmanyusefultaskswhichcanimprovethequalityoflifegreatly.Robotlocalizationanddecisionmakingarethemostimportantcognitiveprocessesduringnavigation.However,mostofthesealgorithmsarenotefficientandarechallengingtaskswhilerobotsnavigatethroughcomplexenvironments.Inthispaper,weproposeabiologicallyinspiredmethodforrobotdecision-making,basedonrat’sbrainsignals.Rodentsaccuratelyandrapidlynavigateincomplexspacesbylocalizingthemselvesinreferencetothesurroundingenvironmentallandmarks.Firstly,weanalyzedtherats’strategieswhilenavigatinginthecomplexY-maze,recordedlocalfieldpotentials(LFPs),simultaneously.TherecordedLFPswereprocessedanddifferentfeatureswereextractedwhichwereusedastheinputintheartificialneuralnetwork(ANN)topredicttherat’sdecision-makingineachjunction.TheANNperformancewastestedinarealrobotandgoodperformanceisachieved.Theimplementationofourmethodonarealrobot,demonstratesitsabilitiestoimitatetherat’sdecision-makingandintegratetheinternalstateswithexternalsensors,inordertoperformreliablenavigationincomplexmaze.

  • 标签: Brain machine interface (BMI) DECISION-MAKING local
  • 简介:Inthispaper,aKELM-basedensemblelearningapproach,integratingGrangercausalitytest,greyrelationalanalysisandKELM(KernelExtremeLearningMachine),isproposedfortheexchangerateforecasting.Thestudyusesasetofsixteenmacroeconomicvariablesincluding,import,export,foreignexchangereserves,etc.Furthermore,theselectedvariablesarerankedandthenthreeofthem,whichhavethehighestdegreesofrelevancewiththeexchangerate,arefilteredoutbyGrangercausalitytestandthegreyrelationalanalysis,torepresentthedomesticsituation.Then,basedonthedomesticsituation,KELMisutilizedformedium-termRMB/USDforecasting.TheempiricalresultsshowthattheproposedKELM-basedensemblelearningapproachoutperformsallotherbenchmarkmodelsindifferentforecastinghorizons,whichimpliesthattheKELM-basedensemblelearningapproachisapowerfullearningapproachforexchangeratesforecasting.

  • 标签:
  • 简介:Withthepopularizationofe-learning,LearningSupportSystem(LSS)isplayinganincreasinglyimportantroleinteachingandthereformofeducation.Althoughpureresource-basedLSSisprevailed,itcannotmeettheneedsoflearningsupportintheeraofbigdataandmassiveresources.BasedontheteachingpracticeofLSSsupportingcomputercoursesinrecent10years,andcombinedwiththeexperienceofoptimizingLSSyearbyyear,theintelligentLSSdesignwithknowledgestructureasthemainbodyisproposed.AndtheLSSisoptimizedfromfiveaspects,includingmicro-resourcepackagestructureorientedtoknowledgepoints,knowledgestructuralreorganizationofthelearningresources,monitorandfeedbacklearningbehaviorguidedbyvisualtheoryoflearningprogress,resourcesrecommendationbasedonthestudyprogressandtheknowledgestructure,andreusinghigh-qualitydiscussionpostsandquestions.Teachingpracticehasprovedthatthestructureddesignofresourcepackagecanencourageimagination.Learningmonitoringandfeedbackmechanismcanmaintainmotivationandimproveself-efficacy.Learningresourcerecommendationstrategyplaysasignificantroleinhelpingstudentsfocusonlearningcontentandimproveefficiency.Highqualitypostisconducivetostudents’deeplearning.

  • 标签: INTELLIGENT LEARNING Support System KNOWLEDGE structure
  • 简介:Inordertoachievetheinformationfusioninthetimedomainbasedontheevidencetheory,anevidencecombinationmethodinthetimedomainbasedonreliabilityandimportanceisproposedaccordingtotheideaofevidencediscount.Firstly,thedistortionofthetime-domainevidenceisjudgedbasedonsingleexponentialsmoothing.Thereal-timereliabilityoftheevidenceattheadjacenttimeisobtainedbythereal-timereliabilityassessmentmethodoftheevidencebasedonthecredibilitydecaymodel.Then,therelativeimportanceoftheevidenceattheadjacenttimeisobtainedbycomprehensivelyconsideringimprovedconflictdegreeanduncertainty.Finally,basedonthecriterionofevidencediscountandtheDempster’sruleofcombination,theevidencecombinationiscarriedouttoachievethesequentialcombinationoftime-domainevidence.Thenumericalsimulationandanalysisshowthatthismethodhasfullyembodiedthedynamiccharacteristicsoftime-domainevidencecombination,andithasstrongprocessingabilityforconflictinformationandanti-disturbingability.Theproposedmethodhasgoodapplicabilitytoinformationfusioninthetimedomain.

  • 标签: EVIDENCE theory TIME-DOMAIN EVIDENCE combination evidence DISCOUNT
  • 简介:1.ObjectiveNaturalgashydratesareconsideredasapotentialalternativefuelresourcetopetroleumandgas(ChongZRetal.,2016),whichcanbeexploitedbymeansofdepressurization,thermalmethod,inhibitorinjection,etc.Forthethermalmethod,gashydratesaredecomposedintowaterandmethanewhenthereservoirisheatedtoabovetheequilibriumtemperatureofgashydrate(LiXetal.,2016).However,thethermalrecoverymethodneedsagreatdealofheat,andthusthefeasibilityofeconomicexploitationisreduced.

  • 标签: NATURAL gas HYDRATES ALTERNATIVE fuel RESOURCE
  • 简介:Inthispaper,ageometry-basedpointcloudreductionmethodisproposed,andareal-timemobileaugmentedrealitysystemisexploredforapplicationsinurbanenvironments.Weformulateanewobjectivefunctionwhichcombinesthepointreconstructionerrorsandconstraintsonspatialpointdistribution.Basedonthisformulation,amixedintegerprogrammingschemeisutilizedtosolvethepointsreductionproblem.Themobileaugmentedrealitysystemexploredinthispaperiscomposedoftheofttineandonlinestages.Attheofflinestage,webuildupthelocalizationdatabaseusingstructurefrommotionandcompressthepointcloudbytheproposedpointcloudreductionmethod.Whileattheonlinestage,wecomputethecameraposeinrealtimebycombininganimage-basedlocalizationalgorithmandacontinuousposetrackingalgorithm.Experimentalresultsonbenchmarkandrealdatashowthatcomparedwiththeexistingmethods,thisgeometry-basedpointcloudreductionmethodselectsapointcloudsubsetwhichhelpstheimage-basedlocalizationmethodtoachievehighersuccessrate.Also,theexperimentsconductedonamobileplatformshowthatthereducedpointcloudnotonlyreducesthetimeconsumingforinitializationandre-initialization,butalsomakesthememoryfootprintsmall,resultingascalableandreal-timemobileaugmentedrealitysystem.

  • 标签: MOBILE PLATFORM AUGMENTED REALITY point CLOUD
  • 简介:Basedon2012input-outputtableofShandongprovinceandtheofficialstatistics,thisarticleusestheinput-outputanalysismethodtobuildtheinput-outputtable.OnthebasisofthedevelopmentofserviceindustryinShandongprovince’sability,wemakeatheoreticalanalysisframeworkofacomprehensivein-depthanalysisonpullemployment,creativelywillcosttaxrate,fullyandcompletelylaborcapitalandthecombinationofboththeindustrydevelopmentspace.Sothattheindustry’sabilitytopulltheemploymentcanbeconsidered,andtorealizerapidandsustaineddevelopmentofserviceindustryinShandongprovince.

  • 标签:
  • 简介:Thispaperfirstintroducesthefundamentalstepsof“TheWorldCafé”(TWC)anditsrelationshipwithhumanresourcestraininginbanks.Afterthat,acoupleofTWCtrainingcasesforthemiddleandthejuniormanagementinbankswillbediscussed.Next,thebettermentanalysisofimprovementsonTWCinhumanresourcestraininginbankswillbecarriedout.Lastly,thelimitationsandthefutureprospectsofTWCwillbeexplored.

  • 标签: work-based LEARNING “The World Café”(TWC) human
  • 简介:Stochasticdynamicanalysisofthenonlinearsystemisanopenresearchquestionwhichhasdrawnmanyscholars'attentionforitsimportanceandchallenge.Fokker–Planck–Kolmogorov(FPK)equationisofgreatsignificancebecauseofitstheoreticalstrictnessandcomputationalaccuracy.However,practicaldifficultieswiththeFPKmethodappearwhentheanalysisofmulti-degree-offreedom(MDOF)withmoregeneralnonlinearityisrequired.Inthepresentpaper,byinvokingtheideaofequivalenceofprobabilityflux,thegeneralhigh-dimensionalFPKequationrelatedtoMDOFsystemisreducedtoone-dimensionalFPKequation.Thenacellrenormalizedmethod(CRM)whichisbasedonthenumericalreconstructionofthederivedmomentsofFPKequationisintroducedbycoarseningthecontinuousstatespaceintoadiscretizedregionofcells.ThenthecellrenormalizedFPK(CR-FPK)equationissolvedbydifferencemethod.Threenumericalexamplesareillustratedandtheeffectivenessofproposedmethodisassessedandverified.

  • 标签: DATA-DRIVEN COMPUTATIONAL MECHANICS FPK equation DIMENSION
  • 简介:Acompositedintegratedguidanceandcontrol(IGC)algorithmispresentedtotackletheproblemoftheIGCdesigninthedivephaseforthebank-to-turn(BTT)vehiclewiththeinaccuracyinformationoftheline-of-sight(LOS)rate.Forthesakeoftheoreticalderivation,anIGCmodelinthepitchplaneisestablished.Thehigh-orderfinite-timestateobserver(FTSO),withtheLOSangleasthesingleinput,isemployedtoreconstructthestatesofthesystemonline.Besides,acompositedIGCalgorithmispresentedviathefusionofback-steppinganddynamicinverse.ComparedwiththetraditionalIGCalgorithm,theproposedcompositedIGCmethodcanattenuateeffectivelythedesignconservationoftheflightcontrolsystem,whiletheLOSrateismixedwithnoise.Extensiveexperimentshavebeenperformedtodemonstratethattheproposedapproachisgloballyfinite-timestableandstronglyrobustagainstparameteruncertainty.

  • 标签: integrated guidance and control(IGC) FINITE-TIME state
  • 简介:ImmersedtunnelisanimportantpartoftheHongKong–Zhuhai–MacaoBridge(HZMB)project.Inimmersedtunnelfloating,translationwhichincludesstraightandtransversemovementsisthemainworkingmode.Todecidethemagnitudeanddirectionofthetowingforceforeachtug,aparticleswarm-basedtranslationcontrolmethodispresentedfornon-powerimmersedtunnelelement.Asortoflinearweightedlogarithmicfunctionisexploitedtoavoidweaksubgoals.Insimulation,theparticleswarm-basedcontrolmethodisevaluatedandcomparedwithtraditionalempiricalmethodinthecaseoftheHZMBproject.Simulationresultsshowthatthepresentedmethoddeliversperformanceimprovementintermsoftheenhancedsurplustowingforce.

  • 标签: immersed tunnel element translation control Hong
  • 简介:Apolymericgelisanaggregateofpolymersandsolventmolecules,whichcanretainitsshapeafteralargedeformation.ThedeformationbehaviorofpolymericgelswasoftendescribedbasedontheFlory-Rehnerfreeenergyfunctionwithoutconsideringtheinfluenceofchainentanglementsonthemechanicalbehaviorofgels.Inthispaper,anewhybridfreeenergyfunctionforgelsisformulatedbycombiningtheEdwards-Vilgisslip-linkmodelandtheFlory-Hugginsmixingmodeltoquantifythetime-dependentconcurrentprocessoflargedeformationandmasstransport.Thefiniteelementmethodisdevelopedtoanalyzeexamplesofswelling-induceddeformation.Simulationresultsarecomparedwithavailableexperimentaldataandshowgoodagreement.Theinfluenceofentanglementsonthetime-dependentdeformationbehaviorofgelsisalsodemonstrated.Thestudyoflargedeformationkineticsofpolymericgelisusefulfordiverseapplications.

  • 标签: POLYMERIC GEL finite element method slip-link