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1.
Inthepasttenyears,theresearchoncontrolsystemrobustnesshasattractedmuchattentionintheworld[1—12].Therearetwomainschoolsinthisarea,namely,parameterspacemethodforparameteruncertaintiesandH∞controltheoryforunstructureduncertainties.Whilerobuststabilityofsyste…  相似文献   

2.
0 INTRODUCTIONInrecentyears ,theresearchonmultipleroboticsys temshasdrawnconsiderableattentioninrobotics .Suchsystemsareofinterestforitsadaptability ,flexibility ,ex pandabilityandreliability .Theapplicationsofmultipleroboticsystemsrangefromassemblytasksin…  相似文献   

3.
ModeⅡfracturetoughness,KⅡC,isanim portantandusefulparameterinrockengineeringsinceitrepresentstheresistanceofmaterialtocrackextension (propagation)byshearing .AnumberoftestingmethodshavebeenproposedbyresearcherstomeasureKⅡC,e .g .anti symmetricfour pointbend…  相似文献   

4.
0 INTRODUCTIONTheexecutionofaproductionsystemisknownastheMRAcycleandisexecutedbytheinferenceengine .TheMRAcycleconsistsofthreephases :match ,resolve ,andact.Accordingly ,theresearcheffortstoimprovetheper formanceofproductionsystemscanbedividedintothreecate…  相似文献   

5.
0 INTRODUCTION  (1)OverviewofpresentresearchesongraspingstabilityAmultifingeredhandhasmultiplefingersandmultiplecontactpoin...  相似文献   

6.
OptimalModelofDynamicEconomicSystemwithAfterEfects—Researchondynamiceconomicsystemwithafterefects(Ⅱ)SHAJuzhen(沙聚桢)(Dept.ofS...  相似文献   

7.
0 INTRODUCTIONHumanfacerecognitionisanimportanttopicforcomputervisionresearchandalsoisoneofthemostdifficultproblemsinthefiel...  相似文献   

8.
Theacuracyproblemwasoneoftheprincipalconcernsinmachinedesignandperformanceconsideration.Itisimportanttounderstandtherelation...  相似文献   

9.
Whenexactvaluationformulasareunavailableordifficulttoget,numericalmethodshavetobeused.Therearemainlythreemethodsusedforvaluingthederivativesecurities[1,2,5]:MonteCarlosimulation,lattices(or“tree”)andfinitedifferencemethods.MonteCarlosimulationisusef…  相似文献   

10.
Comparedwiththosewidelyusedmultimediadevelopmentauthoringtools,suchasscenebasedAction,flowchartbasedAuthorware,andsoon,ahypercardmultimedia[1,2]author(thatisgoingtobeintroducedinthispaper,ismainlydesignedtoovercomethoseshortcomingsthatabovement…  相似文献   

11.
ResearchontheCharacteristicsofPneumaticPCMControlValveWANGQi;HOULinqi;TAOQian王崎,侯琳祺,陶谦(RobotResearchInstitute,Harbininstitute...  相似文献   

12.
0 INTRODUCTIONMotionplanningofautonomousmobilerobothasbeenanextensivelyresearchedissueintheintelligentmobilerobotfield .Mostresearchesfocusonavoidingstaticobstaclesinatwo dimensionalenvironment.Atthesametime ,moreresearchaboutdynamicmotionplanninginwhic…  相似文献   

13.
Varioustypesofvibratingmachinesarewidelyappliedinnumerousnationaleconomydepartmentsforcompacting,loading,unloadingandtransportingbulksolid.DSA1typedynamicdirectshearapparatusismainlydesignedtosimulatemechanicvibration.Itisusuallyusedtoinvestigate…  相似文献   

14.
0 INTRODUCTIONThefastdevelopmentofnano technologyresultedinanextensiveresearchontheapplicationofnano semiconductorphoto catalystfortreatmentoforganicwastewaterandwastegas .MuchattentionwaspaidtotheresearchofimmobilizationandloadingofTiO2nano semiconducto…  相似文献   

15.
ResearchonananalysisandtheapplicationofeuphemismsandmildtoneWangGuizhi(Divi.ofForeignLanguages)Researchonananalysisandtheappl...  相似文献   

16.
0 INTRODUCTIONInthecontextofprecisionboring ,extensivere searcheshavebeenconductedonthemethodologytore ducethemachiningerrorsbyimprovingtheaccuracyofin dividualelementswhichthemachinetooliscomprisedof.Althoughsignificantvolumeofresearchworkhasbeende vote…  相似文献   

17.
0 INTRODUCTIONItiswellknowthatitisverynecessaryforunder standingthenaturalphenomenaandsolvingtheengineer ingproblemstoresearchtheelasticwavepropagationsinlayermedia .Therefore ,thepeoplehaspaidagooddealofattentiontoitandmadeconsiderableresearch .But,inthe…  相似文献   

18.
Agreatdealoflowconcentrationlyeisoftenproducedinaluminaplantforvariousreasons.Itisnoteconomicaltoreuseitbydirectconcentrationthroughevaporation.Soconcentrationwithmembraneisconsidered.Thelowconcentrationlyeintheredmudmoundwaschosenfortreatment…  相似文献   

19.
Coaldustwettingbehaviorandotherpropertiesinnonionicsurfactantsolutionhavebeeninvestigatedbymanyresearchers[1~ 4 ] .However,theseresearchresultsarenotfullysuitablefordescribingthecharacteristicsinthespraysystemofdustabatementbyusingwettingagentliquid ,beca…  相似文献   

20.
GeneticAlgorithms(GAs),asakindofsearchingandoptimizingalgorithm,isbasedontheprinciplesofnaturalevolution[1].Ithasbeenestablishedasaviableandrobusttechniqueforsearchingandmachinelearningacrossadiversedomainofdisciplines.However,whenapplyingGAtosolvelargesc…  相似文献   

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