INTERNATIONAL DOCKING STANDARDIZATION

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1、INTERNATIONALDOCKINGSTANDARDIZATIONNASA2009-03-17DECISIONALFLOWTIM1&2TIM3TIM4TIM5GENDERMATINGOBJECTIVEPRESSURIZEDVEHICLECONNECTIONandCREWTRANSFERANDROGYNOUSMATINGHARDDOCKINGSOFTCAPTUREPERFORMANCEUNLIKEVEHICLESOTHERSUBSYSTEMCHARACTERISTICSSPECIFICSMECHANISMPOS

2、SIBILITIESLATCHKeySpecificCharacteristicsImplementationCARGOANDTUNNELKeySpecificLARGERCharacteristicsImplementationCAPABILITIESGUIDEPINKeySpecificCharacteristicsImplementationSEALKeySpecificCharacteristicsImplementationANDROGYNY•Allowsrescueandcollaborationbe

3、tweenanytwovehicles.•Systemlevelredundancy(rolereversing)•Flexiblemissionimplementation(allowingsimplerversionstobecompatiblewiththestandard)•Reduceuniquemissionanalysisandtraining•SingledesignwhichconnectstoduplicatesofitselfHARDDOCKINGSYSTEMSUBSYSTEMKEYCHAR

4、ACTERISTICSSPECIFICIMPLEMENTATIONLATCHSYSTEM•Androgynousarrangementatinterface.Asinglecomponentisnotandrogynous.[tobeaddressed•InternalMounting:forprotectionandfaultcorrectionpossibilitiesInfutureTIM]•Active-on-Passivemating:Havingredundantmatingformalfunctio

5、ns(having24pointsandusesonly12pointsatatime)•Simplifiedpassivemate:Passivesidecanbeverylight•Radial:Clampingonsealinterface•Selfcompliant:Spring-biased,morematingtolerance.TUNNELHOUSING•Accommodatingcrewpassageinternally.[tobeaddressedInfutureTIM]•Internalmou

6、ntingforallcomponents,e.g.electronics,cableharnesses,mechanisms...•ExternalEnclosure:Largerbendingmomentcapabilities.ALIGNMENTSYSTEMAndrogynousarrangementatinterface.Asinglecomponentisnotandrogynous.[tobeaddressedInfutureTIM]Radialslotarrangement:•Symmetrical

7、radialcompliantguidepinarrangement•Self-centering•Preservingaxisco-linearity•Insensitivetothermaldifferentials•Singledirectionconstraintlocally,lesspronetobinding•EaseoffabricationandassemblingSixengagementlocationsequallyspaced.SEAL•Seal-on-sealatinterface.[

8、tobeaddressed•Redundantdualsealbeads.InfutureTIM]JUSTIFICATIONSANDRATIONALESLATCHSYSTEMOverviewCENTERLINEPASSIVECOMPRESSIVEPRELOADACTIVEreturntoHardDockingpageLATCHSYSTEMFeaturesandRation