Moon & Mars Orbiting Spinning Tether Transport - Tethers Unlimited

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Appendix F: Tether Boost Facility Design Final Report- Pwr Mgt Unit 5 6 6 10x more power than anything that's beendone. NRA 8-30 will reach TRL 6 by 2005.- EPS Control Processor- Battery Charger- Power Regulator- Power Distributor- Batteries 6 7 8 Rechargeable lithium batteries have beenflown- Software 5 6 6Cmd and Data Handling 6 6 6 some autonomy w/ ground assist- Computer- TLM Mux/Demux- Software- Operating SystemFlight Control Software 3 3 3 Hoyt's models include simple control- Orbital Mechanics 3 3 3 distributed mass and ED thrust complicatethis- Equipment Control 3 3 3 non-standard equipmentNetworks Subsystem (NS) 8 8 8- Power Cables- Data CablesRetrieval,Deployment and SpinControl- Winch, winch motor,traction drive, motors and controller- Tether cutter 7- Tether deploy speedsensor- Tether deployed lengthsensor- Tether fully deployedsensor- Tether tension sensor- Tether impact detector- Separated tether detector- Tether departure anglesensor- Tether position sensorneed Hoyt's input on these items - mostat very low TRL6 6 6 TSS = Today's TRLTable 4.2 (cont’d). TRL assessments for Control Station subsystemsF-15
Appendix F: Tether Boost Facility Design Final ReportTRL 2001TRL 2005CommentsGRAPPLE ASSEMBLY 2 3 3 Concept undefined. HASTOL aims forTRL 3.Communications Subsystem(CS)- Comm net Antenna,7 8Transmitter, ReceiverAttitude and LocationDetermination /ControlSubsystem (ALDCS)- GPS Antenna, Receiver- Attitude Stabilization tether changes the situation from previousattitude control problemsTRL 2010SoftwareMechanical Subsystem (MS)- Facility Structures- Erosion Protection- Micrometeoroid ProtectionThermal Control Subsystem 7 7 7(TCS)- Temp Sensors- Heaters- MLI, RadiatorsElectrical Power Subsystem(EPS)- Solar Collectors 5 7 Current effort on quad-junction cells = 2005TRL- Sun Angle Sensor 8- Pwr Mgt Unit- EPS Control Processor- Battery Charger- Power Regulator- Power Distributor- Batteries 7 7 8- SoftwareCmd and Data Handling 6 6 6- Computer- TLM Mux/Demux- Software- Operating SystemFlight Control Software 2 2 2- Orbital Mechanics 2 3 tether complicates situation- Equipment Control 2 3 equipment undefinedTable 4.3. TRL assessments for Grapple Assembly subsystemsF-16
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Tethers Unlimited, Inc.MMOSTT Final
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NIAC Funded Tether Research• Moon
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Electrodynamic Reboost• Power sup
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Cislunar Tether Transport System•
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MXER Tethers Included in NASA’sII
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5mt Payload Tether Boost Facilityfo
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LEOGTO Boost Facility• Initial Fa
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Tether Boost FacilityControl Statio
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LEOGTO Boost Facility• TetherSim
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Rendezvous• Rapid AR&C Capability
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Proposed RETRIEVE TetherExperiment
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µTORQUE on Delta IV• Delta-IV Se
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Opportunities for NASATechnology De
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AIAA 2000-3842COMMERCIAL DEVELOPMEN
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--Commercial Tether Transport AIAA
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-Commercial Tether Transport AIAA 2
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Commercial Tether Transport AIAA 20
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Commercial Tether Transport AIAA 20
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Momentum Exchange/Electrodynamic Re
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DESIGN AND SIMULATION OF A TETHER B
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Tether Boost Facility Design AIAA 2
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Tethers Unlimited, Inc.Cislunar Tet
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Page 82 and 83: Interim Report Outline- Configurati
Page 84 and 85: Mission Definition¥ Payload Capaci
Page 86 and 87: Baseline Control Station DetailsTET
Page 88 and 89: Baseline Grapple AssemblyCAPTURES A
Page 90 and 91: LEO Facility System ArchitectureGRA
Page 92 and 93: Payload Adapter Assembly Subsystems
Page 94 and 95: Potential Reeling FunctionsReeling
Page 96 and 97: LEO Control Station Weights16
Page 98 and 99: Payload Adapter Assembly Weights18
Page 100 and 101: Tether Boost FacilityRequired Power
Page 102 and 103: Electrical Propulsion Voltage´ Spe
Page 104 and 105: Potential Reeling FunctionsReeling
Page 106 and 107: Preliminary Reeling AnalysisθθAss
Page 108 and 109: Tether Boost FacilitySystem Require
Page 110 and 111: Table of Contents1 Scope ..........
Page 112 and 113: 2 ReferencesThis section lists docu
Page 114 and 115: The system shall measure and contro
Page 116 and 117: 4 Ground Rules & AssumptionsThis se
Page 118 and 119: Appendix F: Tether Boost Facility D
Page 120 and 121: Appendix F Tether Boost Facility De
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Page 142 and 143: Appendix L: Tether Boost Facility D
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Appendix L: Tether Boost Facility D
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Tethers Unlimited, Inc.Tether Rende
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Ongoing Tether Work Under NIAC Fund
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Cislunar Tether Transport System•
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Rapid Earth-Mars Transport• Reusa
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EarthMars Launch Windows• MMOSTT
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Incremental Development Path1. TORQ
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LEOGTO Boost Facility• TetherSim
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Tether Boost FacilityControl Statio
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Modular Design• Design Components
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Payload Accommodation AssemblyConfi
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Electrodynamic Thrusting• Drive c
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Tether Facility Reboost• Use Elec
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Rendezvous• Rapid Automated Rende
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Rendezvous Method: Preparation• P
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Development Issues• Automated Ren
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Potential Flight Experiments• Hig
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Opportunities for NASATechnology De
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Acknowledgements• Boeing/RSS - Jo
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IAF-99-A.5.10RAPID INTERPLANETARY T
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Rapid Interplanetary Tether Transpo
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IAF-00-S.6.04TETHER SYSTEMS FOR SAT
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IAF-00-S.6.04controlled very precis
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IAF-00-S.6.04Perigee Altitude (km)3
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IAF-00-S.6.04The LEO⇒GTO Tether B
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IAF-00-S.6.04AcknowledgmentsThis re
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Tethers Unlimited, Inc.Appendix K:
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Tethers Unlimited, Inc.at a rate of
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Tethers Unlimited, Inc.Appendix L -
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Tethers Unlimited, Inc.Appendixm M:
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Appendix N. MXER Tether for Deployi
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Electrodynamic Thrustingto Reboost
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100000 95000 90000 85000 80000 7500
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Momentum Exchange/Electrodynamic Re
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NOMENCLATURESymbol MeaningA payload
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DepartureangleA = 1.5π - (ω + u
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Tether material has a "characterist
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Rendezvous of Grapple with PayloadT
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adius vector to the new center of m
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days from payload pickup at one pla
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"JupiterandBeyond"Tether cut CUT:<
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Tethers Unlimited, Inc.Appendix Q:
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Tethers Unlimited, Inc.Appendix R:
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