InstituteofAstronautics
Real-timetele-roboticsinspace–spacetechnologies–explorationhumanspaceflight–
nanosatellites–spaceflightsystemsengineering–hypervelocity-lab
nIn2014-15,liketheyearsbefore,theInstituteofAstronauticsfocusedonthedevelopmentofsatelliteandspaceexplorationtechnologies.
Inparticular:
nReal-timeteleoperationforon-orbitservicing
nNovelinter-satellitelinkcommunication
systemsandarchitectures
nExplorationtechnologies,incl.lunardustprocessingandmitigation,andanalysisoflifesupportsystemsofhabitatsandspacesuits
nSpacecrafttechnologiesandCubeSat
educationalsatelliteprogram
nHighvelocityimpactphysicsandmicrometeoroidandspacedebrissimulationand assessment
On-orbitservicingisagrowingfieldofspaceactivities,wheresatellitesorotherspacecraftinspaceareserviced(such
asrefueling,maintenance,orupgrade)ordeorbitedbyaservicingsatelliteifdefunct.Thisservicecanbeaccomplishedbyanoperatorongroundteleoperatingarobot,cameras,orelseontheservicingsatelliteinreal-time.Asahighlightin2015,thelarge
simulationenvironmentcalledRACOON
Lab,withthedimensions6mx10mx5mwentintoutilization.Inthislaboratorytheproximityoperationsofthetwosatellitescanbesimulated,whiletheoperatorislocatedintheinstitute’smissioncontrolcenteroranywhereonearth.Realistic
tele-operationisperformedbyreal-timesatellitelinksviaagroundstationontopofthetheinstitute’sbuildingandarelaysatelliteingeostationaryorbit.
FortherenewedinterestofNASAandESAinhumanspaceexploration,anadaptedandhighlyreliablelifesupportsystem(LSS)ismandatory.In2015theInstituteofAst-ronauticshasimprovedthemodelingtool
V-HABforarbitraryLSS,anddeployeditinNASAandMITprojects.Themodelingnotonlyincludesthelifesupportcomponents,butinparticularahigh-fidelityhumanmodelforastronautslivingandworkinginthisLSS.
InJanuary2015,LRTalsostartedthedevelopmentofTUMunich’ssecondpico-satelliteMOVEII.
Prof.Prof. h.c.Dr.Dr.h.c.UlrichWalter
Contact
one+49.89.289.16003
SatelliteTechnologies–
MOVE-IICubeSatEducationalProgram
TheCubeSatprogramMOVE(MunichOrbitalVerificationExperiment)wasinitiatedin2006atLRT.Theprimaryobjectiveoftheprogram,asinmanyuniversity-ledCubeSatprogramswor-ldwide,isthehands-oneducationofstudents.Asecondaryobjectivewastocreateaplatformforvalidatingnew
technologiesinspace.ThefirstCubeSat
oftheprogram,calledFirst-MOVE,waslaunchedonNovember21,2013.Theprograms’secondCubeSat,MOVE-II,iscurrentlyunderdevelopment,withlaunchcurrentlyexpectedinlate2017.About
30undergraduateandgraduatestudents
arecurrentlyworkingonthesatellite,
withonestaffmemberofLRTasfull-timeprojectmanager.MOVE-IIisacoopera-tionbetweentheLRTandthestudent
LISAMS+high-gainantennaduringantennapatterntestsattheHochschuleMünchen–
compensatedcompactantennarangefacility
groupWissenschaftlicheArbeitsgemein-schaftfürRaketentechnikundRaumfahrt(WARR).
ProjectDetails
MOVE-IIwillevolvethesubsystemsthatweredevelopedin-houseduringtheFirst-MOVEprogram.Withmoredemanding
on-boarddataprocessingandstorage
needsforplannedscientificpayloads,theevolvedon-boarddatahandlingsystem(OBDH)willbebasedonacommercial
off-the-shelf,multicorecentralproces-singunit.Combinedwitharobustmassstoragesystemandafailuretolerantfilesystem,theOBDHtargetsincreasedper-formanceneededonCubeSatmissionsaswellasrobustnessagainstinducederrorsandthusimprovingdataintegrity.Furthermore,anadvancedsolarpanel
deploymentmechanismiscurrentlyunder
developmentbasedontheexperience
fromFirst-MOVE.Theuseofshapememoryalloytechnologywillenablerepeateddeploymenttestswiththeflightunits,somethingthatwasnotpossiblewiththeprevious,disposabledesign.Themechanismwassuccessfullyverifiedonasoundingrocketlaunchcampaigninearly
2015.TheoverallgoalofMOVE-IIistotestandverifytheso-calledsatellitebus,meaningallpartsofthesatelliterequiredtorunapayload.OnMOVE-II,thisincludescommunications,on-boarddatahandling,theattitudecontrolsystem,thepowersupplysystem,thestructureandthethermalcontrolsystem.
ProjectFunding
TheprojectisfundedbyDLR(GermanAerospaceCenter–SpaceAdministration)researchgrantno.FKZ50RM1509,man-agedbyDr.Hans-DieterSpeckmannat
theDLRSpaceAdministrationinBonn.
SpaceCommunicationTechnologiesandArchitectures
LISAEShigh-gaindemonstratorantennaforliquidphaseshiftersjointlywithTUDarmstadt.
On-orbitservicingandspacedebrisremovalmissionswithtele-operation,akeyresearchareaofLRT,requiretrans-
missionofmulti-channelvideosignalsandspacecraftsensorandcontrolinformationwhichcanexceeddataratesof20Mbps.Thesecommunicationscenariosrequire,amongothertechnologies,high-gainantennasystemsandnovelcommuni-cationarchitecturessupportingreal-timeoperations.Projectsinthisresearchareaincludethedevelopmentofnoveldirectradiatingarrayantennasystems(LISA),
anewprojectinhybridmanufacturingtechnologiesforwaveguidesusinggal-vanicprocessesinconjunctionwithlostcore3Dprintingtechnologies(CFRM-HF)andthenewprojectCopKa,targetingthe
demonstrationofcommunicationarchitec-turesinsupportofemergencyresponseservicesusinglocalUAVsoversatellitecommunicationsystems.TheCopKaemergencyservicesusescenariorepre-sentsasynergeticsatellitecommunicationsystemtotheRACOONonorbitservicingarchitecture.
ProjectDetails
TheLight-weightIntersatellite(Link)SatelliteAntenna(LISA)R&Dprojects
(TUM-LRTandLLB)developanddemons-tratenovelmanufacturingtechnologies
forKa-bandcommunicationhardwareandusenovelcopper-galvanicallymanufacturedhornantennaswitha
low-losswaveguidedistributionnetwork.Copper-galvanicallowsthedesignofhighperformance,lowlossandhighfrequencywaveguidestructures,usingalostcoregalvanicmanufacturingprocess.Asatechnologydemonstrator,twotypesofhighgainKa-bandantennaswerebuilt
as40x40cmreferencemodels.Afastprecision2-axesmechanicalsteeringmechanismisrequiredtoaccurately
pointthesehigh-gainpencilantennas,togetherwithanoveltwo-channel,low-lossKa-bandwaveguiderotaryjointwithresearchpartnersfromindustryandtheUniversityofAppliedSciencesMunich.Asanalternativetomechanicalsteering,anoptionforamechanism-freeelectricstee-ringsolutionwasdevelopedwithpartnersfromindustryandtheTechnicalUniversityDarmstadt.Usingliquid-crystalphaseshif-tersinthewaveguidedistributionnetworkofthedirectradiatingantennaarrayusessuperpositionofphase-shiftedsignals
fromeachhorninthearraytoprovidean
apparentbeamsteering.
CopKaisanewprojectpartnership(2015-
18)betweenTUM-LRTandtheIMSTGmbHcompanyinKamp-Lintfort,andittargetsthetechnologydevelopmentanddemonstrationofamulti-sensor-basedemergencyservicesmissionusingaUAVhelicopterandKa-bandsatellitelinks.
Theprojectwilldevelopandtestnovelcommunicationarchitecturesaswellas
supportingantennacontrolandmanufac-
turingtechnologies,anddemonstratetheintegratedsysteminvarioustestscenariosincooperationwiththeTUMfirefightingservices.
CFRM-HF(carbonfibrereinforcedmetalsforHFstructures)alsoisanewprojectforTUM-LRTandLLB(2015-17),investiga-tinginnovativemanufacturingmethods
formicrowavecomponentsinaerospaceapplications-technologyevaluationsanddemonstrationsusinghybridmaterialsandmanufacturingtechnologiesformicrowavefeedsystems.
ProjectFunding
TheseprojectsarefundedbyDLR(Ger-manAerospaceCenter–SpaceAdminis-tration)researchgrantsno.FKZ50YB1113(LISAKa-bandelectronicsteering),FKZ
50YB1333(LISAKa-bandmechanicalsteering),FKZ50YB1533(HybridManu-facturingCFRMHF)andFKZ1523/1524(CopKaComm.Architectures),byBMWi/DLRSpaceAdministrationinBonn.
Carbonfiberreinforcedcoppermetalmatrixstructureforhighperformancehighfrequencycomponentswith3D-printedlostcores
RACOON–Real-timeOn-OrbitTeleoperation
TheRACOONLabfeaturesasatelliteproximityoperationssimulationenviron-ment.Thelabconsistsofahardware-
in-the-loopsimulatorthatrepresentspositionandattitudeoftwospacecraftincloseproximity(e.g.forrendezvousanddockingmaneuvers).Thelabprovidesrealisticlightingconditionsandhardwaresensorstosimulaterealisticsensordataforthedevelopmentofnewspacecrafttechnologies(e.g.controlalgorithms).Thereal-timecapabilitiesallowtheinclusionofahumanoperatorintothecontrolloopforresearchintheareaofhumanspacecraftinteraction.Thisincludesuserstudiesforoptimalhumanmachineinterfacedesign
oroperatorworkloadevaluation.
Projects
nRACOONHardware-in-the-LoopVer.2
Simulator
nAdaptiveCommunicationChannels
(DFGfunded)
nSLAMAlgorithmsforObjectRecon-struction
nOptimalDockingTrajectories(Munich
AerospaceScholarship)
RACOONLab
ExplorationTechnologies
Researchincludeslifesupportsimulation,lunarandplanetarydustprocessingandanalysisanddevelopmentofexplorationtechnologiesforextremeenvironments
ExplorationProjects
LUISE-2
ThescopeofprojectLUISE-2(LunarIn-SituResourceExperiments)istodeterminethethermalandmechanicalpropertiesoflunarregoliththatareimpor-tantforthetransportoflunarsamples
andthethermalextractionofvolatile
content.LUISE-2isfundedbytheGermanAerospaceAgency(DLR)withLRTbeingtheprimecontractorsince2012.Withinthisprojectalternativemethodsforvolatileextractionareinvestigatedunderlunarenvironmentalconditions,whicharealsointerestingforfuturein-situresourceutilization(ISRU)applications.LUISE-2investigateslunarregolithhandlingandanalysisprocessessuchassampling,preparation(transport,measuring,filling),thermalgasevolution,andgasanalysis.Fortherelevantgasextractionprocessesthethermalpropertiesoflunarregolithsimulantweredeterminedexperimentally.Newconceptsforheatersandinstrumentsthatcanbeusedinalunarapplication,morespecificallyonamobilelunar
surfacecraft,havebeendevelopedandtested.Testbedsforthe‘stampheater’instrumentconceptwereestablished
toevaluatetheheattransferintolunarregolithsimulantwithasingleelectricallypoweredheatingrod.Thisconceptwasfurtherrefinedandsupportingstudies
forthedesignofademonstratorwereconducted.AdditionallytheresearchinLUISE-2focusedonthegaspermeabilityoflunarregolithtoevaluatetheprocessofvolatiletransportthroughasample.
TheoutcomeofprojectLUISE-2contribu-testoabetterunderstandingofsamplingandthermalextractionprocessesonthemoonandprovidesusefuldatafortheconceptionofascientificin-situsamplingandanalysisinstrument.Furthermore
theresultsarerelevantforbroaderISRU
applicationsonthemoon.
PROSPECT
TheinstrumentpackagePROSPECTthatisdevelopedundercontracttotheEuropeanSpaceAgency(ESA)fortheupcomingLuna-27missiontothelunarSouthPolemakesuseoftheProsPA(LunarPolarProspecting–ProcessingandAnalysis)gasanalysisinstrument.LRTwasinvolvedinthePhaseAstudy
ofthisinstrumentandresponsibleforthedevelopmentofsampleovensthatcontainthelunarregolithsamplesforthermalgasextractionandsubsequentgasanalysis.Tradestudiessupportedbycomputersimulationsandthermal-vacuumtesting
ofovenspecimenwereperformedtoevaluatetheproblemofheattransferintothesamples,temperaturedistributionwithinthesample,andtoassessthefeasibilityoftherequiredheatingmodes.
RoboticExplorationinExtremeEnvironments–Helmholtz-ProjectRobex
TheLRTparticipatesintheHelmholtz
financedprojectRoboticExplorationinExtremeEnvironments(ROBEX).ROBEXcoverstopicsofroboticdeepseaexplorationaswellasroboticspaceexplorationwherebothresearchfieldsbenefitfromsynergies.LRTresearchwithinROBEXfocusesontwotopics:ononehandtheeffectofacceleratedlunar
dustparticlesonstandardspacematerialsisinvestigatedandontheotherhandLRTstudiesvariousthermalaspectsonroboticplanetaryoperation.
V-HAB–ModelingandSimulationof
LifeSupportSystems
Tofullyassessthelong-termoperationandstabilityoflifesupportsystems(LSS)forexplorationmissions,staticanalysismethodsareinsufficient.Establishing
massbalancesandselectingtechnologiesbasedonaverageperformancevaluesis
afastandprovenmethodforfeasibilitystudiesbut,oncethesystemdesignbecomesmoredetailed,certainaspectsofthesystembehaviorcannotbecaptured.Toprovidethisadditionalinformation,the
InstituteofAstronauticshasdevelopedtheVirtualHabitatorV-HAB.V-HABis
aMATLAB®-basedsimulationsoftwarewhichenablesthedynamicsimulationoflifesupportsystems,thehumans
occupyingthesimulatedhabitatandthemissionthatisbeingperformed.Thefirstdevelopmentstepwascompletedinearly
2013whenthesimulationsystemwasvalidatedbycomparingdatafromavirtualmodeloftheInternationalSpaceStationLSSwithactualflightdata.ThiscoincidedwiththecompletionofadissertationontherationaleanddevelopmentofV-HABbyDr.MarkusCzupalla.Fourother
dissertationswherederivedfromthisinitial
work,eachaddingtoV-HAB’salreadybroadspectrumofcapabilities.Oneofthesedissertationswascompletedinlate
2013byDr.PhillipHagerwhocontributedadynamicthermalsimulationtooltocapturethethermaldynamicsofmovingobjects(e.g.astronauts,rovers)onthe
lunarsurface.Thethreeotherdisserta-
tions,whicharestillinprogress,coverthesimulationofportablelifesupportsystemsforspacesuits,theaddition
ofdynamiccrewschedulingalgorithmstothehumanmodelanddynamic,thermalpathoptimizationforrovers
andastronautsonplanetarysurfaces.
Inadditiontothepreviouslymentioneddissertations,thegrouppublisheditsworkattheannualInternationalConference
onEnvironmentalSystems(ICES),thepreeminentconferenceforthelifesupportsystemcommunity.Thepeer-reviewedpaperswerewellreceivedandthealreadystrongtiestoLSSexpertsfromNASAandindustrycouldbeexpanded.IntotalthegrouppublishedthreepapersattheICES
2015conference.Inadditiontotheseconferencepapers,thegroupalsopub-lishedthreejournalpapersandcontinuedtheextensiveinvolvementofstudentsinthecurrentresearch,producingatotalof
14Bachelor’stheses,6Master’stheses
and5termpapersin2015.
ResearchFocus
nReal-timetele-roboticsinspace
nSpacecommunicationtechnologies
nSpacemechanisms
nAnalysisoflifesupportsystems
nNanosatellites
nLunarin-situresourceutilization
nHypervelocityimpacts
Competence
nSystemsengineeringtoolsfordevelop-mentofcomplexsystems
nEnd-to-endsatellitecommunication
nDynamicsimulationoflifesupportsystems
Infrastructure
nMachineandelectronicsshop
nCleanroom(Class8)
nThermal-vacuumchambers
nProximityoperationssimulator
nGroundstation(Ka-,S-andUHF/VHF
bandcommunication)
nMissioncontrolcenter
nHypervelocityaccelerator
Lecturesin:
nFundamentalsofSpaceflight
nSpaceSystemDesign/Technology
nOrbit-andFlightMechanics
nHumanSpaceflight
nSystemsEngineering
nStarsandCosmology
nSpaceEnvironmentanditsSimulation
nNearEarthObjects
Management
Prof.Dr.Dr.h.c.UlrichWalter,DirectorDr.AlexanderHöhn,Assoc.Professor(adj.),Univ.ofColorado
Dr.-Ing.MartinRott,AcademicDirector
Emeriti
Prof.Dr.-Ing.HarryO.Ruppe,Emeritus
Prof.Dr.-Ing.EduardIgenbergs,Emeritus
AdjunctProfessors
Hon.Prof.Dr.med.HansPongratzapl.Prof.Dr.-Ing.RobertSchmucker
Dr.rer.nat.MarkusBrandstätter(lecturer)Dr.-Ing.DetlefKoschny,esa-estec(lecturer)
AdministrativeStaff
PetraLochner
ResearchScientists
Dr.-Ing.JanHarder,DFGPostdoc
Dipl.-Ing.ChristianBühlerDipl.-Ing.MartinDziuraDipl.Inf.ChristianFuchsCarlaHoehn,M.Sc.
Dipl.-Ing.MatthiasKillianDipl.-Ing.MartinLangerDipl.-Ing.SabineLetschnikDipl.-Ing.ClaasOlthoff
Dr.-Ing.RalfPurschke(grad.2015)
PhilippReiß,M.Sc.
Dipl.-Ing.MatthiasTebbe
JacopoVentura,M.Sc.
Dr.IngMingMingWang(grad.2015)Dipl.-Ing.HendrikEnke,external
Dipl.-Ing.arch.ThomasDirlich,external
Dipl.-Inf.CarolinEckl,external
Dipl.-Ing.JonasSchnaitmann,external
TechnicalStaffTobiasAbstreiterLeonhardRöpfl
Publications2014-15
nBarber;Carpenter;Wright;Morse;Sheridan;Morgan;Jr.,Gibson;Howe;Reiss;Richter;Fisackerly;Houdou:(2015)ProsPA:AMiniatureChemicalLaboratoryforIn-SituAssessmentofLunarVolatileResources.EuropeanLunarSympo-sium,2015.Editors:Dell‘Agnelllo,Simone;Anand,Mahesh
nBoden,RalfC.;Hein,AndreasM.;Kawaguchi,
Junichiro(2015):TargetselectionandmassestimationformannedNEOexplorationusingabaselinemissiondesign.ActaAstronautica111,
2015,pp.198-221,
nBühler,ChristianAlexander(2015):Experimental
investigationoflunardustimpactwear.Wear342,
2015,pp.244-251,
nBühler,Christian(2015):ExperimentelleUntersu-
chungderSchadwirkungvonStaubeinschlägenunterverschiedenenWinkelnwährendLunarenLandevorgängen.DeutscherLuft-undRaum-fahrtkongress2015,Rostock,URN:urn:nb-n:de:101:1-201510192071
nBühler,Christian(2015):ExperimentalInvestigation
ofMaterialDepositionbyLunarDustImpacts.66thMeetingoftheAeroballisticRangeAssociation,October4-9,2015,SanAntonio,Texas,USA
nCarpenter,J.D.;Barber,S.;Cerroni,P.;Fisackerly,
R.;Fumagalli,A.;Houdou,B.etal.(2014):AccessingandassessinglunarresourceswithPROSPECT.In:LEAG(Hg.):AnnualMeetingoftheLunarExplorationAnalysisGroup.Laurel,Maryland,USA,22-24October2014.Availableonline:
nCzupalla,M.,Zhukov,A.,Schnaitmann,J.,Olthoff,C.T.,Deiml,M.,etal.,‘TheVirtualHabitat–A
toolfordynamiclifesupportsystemsimulations’,AdvancesinSpaceResearch,Vol.55,No.11,2015,pp.2683–2707,doi:10.1016/j.asr.2014.12.029
nDeiml,Michael;Suderland,Martin;Reiss,
Philipp;Czupalla,Markus(2015):Developmentandevaluationofthermalmodelreductionalgorithmsforspacecraft.ActaAstronautica110,
2015,pp.168-179,
actaastro.2015.01.018.
nDeimlM.,KaufmannM.,KnielingP.,OlschewskiF.,ToumpasP.,LangerM.,ErnM.,KoppmannR.,RieseM.:‘DiSSECT–Developmentofasmallsatelliteforclimateresearch’,Proceedingsofthe
65thInternationalAstronauticalCongress,Toronto,
Canada,October2014.
nFuchsC.,LangerM.andTrinitisC.:‘AFault-Tole-rantRadiation-RobustFilesystemforSpaceUse’,in:ArchitectureofComputingSystems–ARCS
2015,LectureNotesinComputerScienceVolume
9017,pp96-107,Springer,2015.
nFuchsC.,LangerM.andTrinitisC.:‘TowardsFault-TolerantRadiation-RobustDataStoragethroughSoftwareMeasures’,in:The8thESAWorkshoponAvionicsData,ControlandSoftwareSystems,EuropeanSpaceResearchandTech-nologyCentre(ESTEC),Leiden,TheNetherlands,October27-29,2014
nFuchsC.,LangerM.andTrinitisC.:‘FTRFS:A
Fault-TolerantRadiation-RobustFilesystemfor
SpaceUse’,informaticsversion,ARCS2015–The
28thGI/ITGInternationalConferenceonArchitec-tureofComputingSystems,Porto,Portugal,March
24-27,2015.
nFuchsC.,LangerM.andTrinitisC.:‘EnablingDependableDataStorageforMiniaturizedSatellites’,in:ProceedingsoftheAIAA/USUConferenceonSmallSatellites,StudentCompeti- tion,SSC15-VIII-6.
nFuchsC.,LangerM.andTrinitisC.:‘AFault-To-
lerantRadiation-RobustMassStorageConceptforHighlyScaledFlashMemory’,in:DASIA2015
–DataSystemsinAerospace,Barcelona,Spain
19-21May,2015.
nFuchsC.,LangerM.,TrinitisC.,AppelN.:
‘DependableComputingforMiniaturizedSatellites’,
4thEIROforumSchoolonInstrumentation(ESI
2015),ESOEuroFusion,Garching,Germany,June
15-192015.
nLangerM.,OlthoffC.,HarderJ.,FuchsC.,DziuraM.,HoehnA.,WalterU.:‘ResultsandlessonslearnedfromtheCubeSatmissionFirst-MOVE’,in:SmallSatelliteMissionsforEarthObservation,R.Sandau,H.-P.RoeserundA.Valenzuela,SpringerBerlinHeidelberg,2015
nGöser,Johannes;Olthoff,ClaasTido(2014):Results
ofaDynamicLiquidCoolingGarmentSimulation
inV-SUIT.In:Proceedingsofthe44thInternationalConferenceonEnvironmentalSystems.44thInter-nationalConferenceonEnvironmentalSystems.Tucson,Arizona,USA,13-17July2014.ICES.
nGrulich,Maria;Koop,Artur;Ludewig,Phillip;Guts-
miedl,Johannes;Kugele,Johannes;Ruck,Thomas;Mayer,Ingo,Schmid,Alexander;Dietmann,
Karl: (2015)SMARD-REXUS-18:DevelopmentandverificationofanSMA-BasedCubeSatSolarPanelDeploymentmechanismIn:Ouwehand,L.(publisher):Europeanrocketandballoonpro-grammesandrelatedresearch,Volume730.ESACommunications,ESTEC,2015,pp.421-428,ISBN
929221294X
nGuilbert-Lepoutre,A.;Besse,S.;Mousis,O.;Ali-Dib,M.;Höfner,S.;Koschny,D.;Hager,P.
(2015):OntheEvolutionofComets.SpaceScience
Reviews,2015.
015-0148-9.
nHager,P.B.;Klaus,D.M.;Walter,U.(2014a):Characterizingtransientthermalinteractionsbetweenlunarregolithandsurfacespacecraft.In:PlanetaryandSpaceScience92,pp.101-116.DOI:
10.1016/j.pss.2014.01.011.
nHager,P.B.;Parzinger,S.;Haarmann,R.;Walter,U.(2014b):TransientthermalenvelopeforroversandsamplecollectingdevicesontheMoon.In:AdvancesinSpaceResearch.DOI:10.1016/j.asr.2014.12.012.
nHager,P.B.;Parzinger,S.;Haarmann,R.;Walter,
U.(2014):TransientthermalenvelopeforroversandsamplecollectingdevicesontheMoon.AdvancesinSpaceResearch,2014,
nHager,P.B.;Klaus,D.M.;Walter,U.:Characterizing
transientthermalinteractionsbetweenlunarregolithandsurfacespacecraft.Planetaryand SpaceScience92,2014,101-116,
nHager,PhilippB.;Walter,Ulrich;Massina,
ChristopherJ.;Klaus,DavidM.:CharacterizingaTransientHeatFluxEnvelopeforLunar-SurfaceSpacesuitThermalControlApplications.Journal
ofSpacecraftandRockets,2015,pp.1-10,
dx.doi.org/10.2514/1.A33182
nHarder,J.;Preis,L.:UserStudyonHumanVisualInspectionCapabilitiesofSpaceDebrisStatus.DeutscherLuft-undRaumfahrtkongress2015,
2015.
nHein,AndreasM.;Metsker,Yuriy;Sturm,Joachim:TowardsaCapabilityFrameworkforSystemsArchi-tectingandTechnologyStrategy.In:Marle,Franck(Hrsg.):Riskandchangemanagementincomplexsystems.Hanser.,2014,ISBN978-1-56990-491-6.
nHein,AndreasM.:HowtoAssessHeritageSystems
intheEarlyPhases?ElectronicformatsubmissionforAP2000.Proceedingsofthe6thInternationalConferenceonSystemsConcurrentEngineeringforSpaceApplications,2014.
nKillian,M;Hager,P.(2015):TraversePlanningonthe
LunarSurface–BenefitsfromThermalModeling.Proceedings,45thInternationalConferenceonEnvironmentalSystems,Bellevue,WA,USA,July
2015.
nKillian,M;Reiss,P:InvestigatingThermalAspectsofLunarTraversesforScientificExploration.EuropeanLunarSymposium,2015.Editors:Dell‘Ag-nelllo,Simone;Anand,Mahesh.
nKoschny,D.;Busch,M.:TheTeideObservatory
TenerifeAsteroidSurvey.PlanetaryandSpace Science,2015,
nLangerM.,AppelN.,DziuraM.,FuchsC.,Günzel
P.,GutsmiedlJ.,LosekammM.,MeßmannD.,TrinitisC.:‘MOVE-II–derzweiteKleinsatellitderTechnischenUniversitätMünchen’,DeutscherLuft-undRaumfahrtkongress2015,Rostock,Germany,September22-242015.
nLangerM.,DziuraM.,LosekammM.,OlthoffC.,
KetzerB.,PaulS.,WalterU.:‘TheMOVEIImission:DetectingantiprotonsintheSouthAtlanticAno-maly’,Proceedingsofthe5thEuropeanCubeSatSymposium,Brussels,Belgium,3-5June2013.
nLanger,Martin;Olthoff,ClaasTido;Datashvili,Lery;
Baier,Horst;Maghaldaze,N.;Walter,Ulrich:De-ployableStructuresintheCubeSatProgramMOVE.Proceedingsofthe2ndInternationalConference
onAdvancedLightweightStructuresandReflector
Antennas,2014.
nLosekammM.J.,PöschlT.,LangerM.,PaulS.:
‘TheAFISdetector:measuringantimatterfluxesonnanosatellites’,Proceedingsofthe65thInterna-tionalAstronauticalCongress,Toronto,Canada,October2014.
nMcGrath,C.;Hager,P.(2013):ThermalAnalysisof
theCubeSatFirst-MOVEinPreparationforLaunchusingESATAN-TMSr4.In:InternationalAcademyofAstronautics(Hg.):Proceedingsofthe9thIAASymposiumonSmallSatellitesforEarthObser-vation.9thIAASymposiumonSmallSatellitesforEarthObservation.Berlin,Germany.
nMeier,Christoph;Browning,TysonR.;Yassine,Ali
A.;Walter,Ulrich(2015):TheCostofSpeed:WorkPoliciesforCrashingandOverlappinginProductDevelopmentProjects.IEEETransactionsonEngineeringManagement62(2),2015,pp.237-255.
nNiederwieser,T.,Anthony,J.,Darnell,A.,Gahbler,P.,
Hoehn,A.,King,G.,Koenig,P.,Wright,J.,Stodieck,L.(2015):‘SABL–AnEXPRESSlocker-sizedincu-bator/freezerforperformingbiologicalexperimentsonboardtheISS’,ICES-2015-81,Proceedings,45thICES2015,Bellevue,WA.
nOlthoff,C.;Pütz,D.;Schnaitmann,J.(2015):Dyna-
micLifeSupportSystemSimulationswithV-HAB.DeutscherLuft-undRaumfahrtkongress2015.
nOlthoff,C.T.,Schnaitmann,J.,Bender,F.,Koch,V.,
andWeber,J.,‘DevelopmentStatusoftheThermalLayeroftheDynamicLifeSupportSystemSimula-tionV-HAB’,Proceedingsofthe45thInternationalConferenceonEnvironmentalSystems,ICES-2015-
269,Bellevue;Washington;USA,2015
nOlthoff,ClaasTido;Schnaitmann,Jonas;Zhukov,Anton(2014):DevelopmentStatusoftheDyna-micLifeSupportSystemSimulationV-HAB.In:Proceedingsofthe44thInternationalConferenceonEnvironmentalSystems.Tucson,Arizona,USA,
13-17July2014.ICES.
nPurschke,Ralf;Hoehn,Alexander(2014):EvaluationandtestofdifferentgearconceptsforKa-bandAntennaPointingMechanisms.In:2014IEEEAerospaceConference.BigSky,MT,USA,1-8
March2014,pp.1-8.
nReiss,P;Hoehn,A;Henn,N(2015):Stamp-HeaterInstrumentConceptforMobileIn-SituExtractionandAnalysisofLunarVolatiles.EuropeanLunarSymposium,2015.Editors:Dell’Agnelllo,Simone;Anand,Mahesh.
nReiss,P.andHoehn,A(2014).:Evaluationof
Small-scalePenetratorsforLunarSubsurface
Investigation.EuropeanLunarSymposium,2014.
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