Download - 10 05-28 finaltfnslidedeck.ppt
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Apr 10, 2023 www.teamfrednet.org 1
Team FREDNET Mission Update
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Apr 10, 2023 www.teamfrednet.org 2
GLXP Requirement• Primary Prize
– Landing on Moon• Carry GLXP payload
– Broadcasting HD video– Roving 500 m
• Secondary Prizes– Water detection– Heritage sites– Surviving the Lunar night
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Apr 10, 2023 www.teamfrednet.org 3
Team FREDNET to the Moon• Open Source GLXP Team
– Everyone can participate– Students at all levels– Professionals at all levels
• Current effort include– Individuals from US, Europe, Australia and Asia– University teams– Industry partners
• People making a difference– Being a participant rather than a spectator
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Apr 10, 2023 www.teamfrednet.org 4
TFN Structure
• Mission Team– Overall mission design,
interfaces, integration
• Open Source Team– Subsystems, alternative
solutions, innovation
• Business Development– Strategic partnerships, fund
raising
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Apr 10, 2023 www.teamfrednet.org 5
TFN Mission Study
• Baseline mission concept– Falcon 1e– Launch from Kwajalein Atoll– Direct descent to Lunar surface
• Constraints– Cost/Reliability– Payload mass– Launch windows– Landing windows
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Apr 10, 2023 www.teamfrednet.org 6
TFN Mission Phases
• Ascent (Falcon 1e)– Upper stage burnout
• Payload tip-off (Separation)– Earth coast - checkout
• Trans-lunar injection (TLI stage)– Trans-lunar coast – mid-point corrections
• Direct descent landing (Lander)– Post landing check-out and operations
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Apr 10, 2023 www.teamfrednet.org 7
Landing/Operations
www.teamfrednet.org
Planned operations from -40 C to +40 C(narrow window for Lunar ops ~ 2 days)
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Apr 10, 2023 www.teamfrednet.org 8
Launch Windows
Fluctuations in Lunar Distance vs. Optimal Landing Window
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Apr 10, 2023 www.teamfrednet.org 9
Trajectory
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Apr 10, 2023 www.teamfrednet.org 10
Delta V Budget
Mission Phases Delta V (m/s)
Trans-Lunar Injection 3100Margin 5% 155TLI Total 3255Landing 2700Margin 5% 135ACS 10TCM 80Alignment error 100Landing Total 3025Mission Total 6280
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Apr 10, 2023 www.teamfrednet.org 11
Solid propellant concept (Weed)
www.teamfrednet.org
o Two separation stageso TLI separationo De-Orbit separation
o Two solid stages o ATK Star class
o Monopropellant Landero Hydrazineo Differentially throttled
(Star30BP)
(Star17A)
TLI separation plane
De-orbit separation plane
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Landed Mass Layout
Apr 10, 2023 www.teamfrednet.org 12
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Apr 10, 2023 www.teamfrednet.org 13
Landed Mass Breakdown
www.teamfrednet.org
Subsystem Baseline Mass (kg)Communications 5.0GNC 5.4Power 8.0C&DH 2.0Thermal (passive) 0.0 Structure 13.0TFN Payload (rover/camera) 3.5GLXP Payload 1.0Total 37.9Margin 7.1Margin % 19%Total+Margin 45.0
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Vehicle Masses (Weed)
Apr 10, 2023 www.teamfrednet.org 14
Item TLI (kg) De-orbit (kg) Lander (kg)Vehicle Total 37.00 14.50 20.90Total Payload 207.40 80.90 45.00Engine/Fuel 505.00 112.00 15.00
GLOW 749.40 207.40 80.90
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Apr 10, 2023 www.teamfrednet.org 15
Bi-propellant concept (Masten)
www.teamfrednet.org
o One separation stageo TLI separation
o Two bi-propellant engines o TLI is 3000 lb classo Lander is 200 lb class
o Landero De-orbit and descent
(Star30BP)
(Star17A)
TLI separation plane
De-orbit separation plane
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Apr 10, 2023 www.teamfrednet.org 16
TLI/Lander Mass Breakdown
www.teamfrednet.org
Lander Stage Total (kg)Ox Tank 4Fuel Tank 2Helium Tank 7Main Engine 7RCS Thruster 4Structure 8Plumbing 4Electrical 4
Vehicle Total 40Payload 30Oxidizer 97Fuel 13
Total GLOW 181
TLI Stage Total (kg)Ox Tank 12Fuel Tank 4Helium Tank 25Main Engine 15RCS Thruster 4Structure 5Plumbing 5Electrical 4
VehicleTotal 74Lander 181Oxidizer 440Fuel 61
Total GLOW 756
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Apr 10, 2023 www.teamfrednet.org 17
Conceptual Communications Budget• Vehicle Transmission (40 cm dish):
– Pointing accuracy ~ 3 deg• Low gain whip antenna prior to dish pointing
– During TLI• the transmit power is ~ 0.5 Watts RF
– After landing, • the transmit power is increased to ~ 1.0 Watts RF
• Ground Station Transmission (34 meter dish):– Pointing accuracy ~ 0.05 deg– Operating at 8.4 GHz
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Apr 10, 2023 www.teamfrednet.org 18
TFN On-going development• Open source contributions
– Lander design• Queens Univ. study• Univ. of Virginia
– Imaging technologies• Broward College
– Rovers• Three competing concepts• LEGO Moonbot educational software program
– Communications• Open source radio
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Apr 10, 2023 www.teamfrednet.org 19
Come join Team FREDNET
• A lunar mission goal– Pooling our collective intelligence– Demonstrating our potential– Making our efforts relevant
• Demonstrating real science and engineering
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Apr 10, 2023 www.teamfrednet.org 20
Thanks to the TFN Mission Team
• AGI for use of Satellite Toolkit• David Masten• Ryan Weed• Joshua Tristancho• Balachandar Ramamurthy• Alex Csete• Bill Mania
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Apr 10, 2023 www.teamfrednet.org 21
Additional Slides
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Apr 10, 2023 www.teamfrednet.org 22
Global Reach• Open source spawned by the internet
– Forums– Wikis– Skype– Youtube– Twitter
• Leveraging IT ubiquity for collaborationwww.teamfrednet.org
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Apr 10, 2023 www.teamfrednet.org 23
TFN Open Source Technologies
www.teamfrednet.org
picoroverWRV-1 Jaluro
Lunar Lander
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Apr 10, 2023 www.teamfrednet.org 24
TFN and XOIE
www.teamfrednet.org
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Apr 10, 2023 www.teamfrednet.org 25
Mission Analysis
Stage Mission Solid Margin Bi-Prop Margin
TLI 3255 3300 1.4%
De-Orbit
2835 2700 -4.8%
Landing 190 190 0.0%