2020 Smallsat Technology Partnerships
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National Aeronautics and SPACE TECHNOLOGY MISSION DIRECTORATE Space Administration SMALL SPACECRAFT TECHNOLOGY 2020 SmallSat Technology Partnerships University-NASA Collaborations to Advance Small Spacecraft for Future Missions Jim Cockrell Chief Technologist NASA STMD Small Spacecraft Technology Program 2020 Small Satellite Conference paper # SSC20-WKI-04 www.nasa.gov SST Program’s SmallSat Technology Partnerships • NASA’s Small Spacecraft Technology (SST) program expands U.S. ability to execute unique missions through rapid development and demonstration of capabilities for small spacecraft applicable to exploration, science and the commercial space sector. Through targeted development and frequent in space testing, the program: • Enables execution of missions at much lower cost than previously possible. • Substantially reduces the time required for development of spacecraft. • Enables new mission architectures through the use of small spacecraft. • Expands the reach of small spacecraft to new destinations and challenging new environments. • Enables the augmentation of existing assets and future missions with supporting small spacecraft. • The SST program sponsors annual Smallsat Technology Partnerships (STP) • 2-year cooperative agreements between a university team and a NASA center to develop specific technologies for small spacecraft • Universities gain experience and recognition through hands-on NASA collaborations • NASA benefits from rapid, innovative academic processes yielding new technologies 2020 SmallSat Conference # SSC20-WKI-04 NASA SST Program SmallSat Technology Partnerships 2 Aggregate Investment for Five STP Partnership “Classes” • Investments: • Over $26,468,000 awarded 28 Universities in 19 States 8 NASA Centers • 8 of 10 NASA centers partnered • 28 universities in 19 states • 46 partnerships in 5 class years • Results: • 1 Intersatellite Network Planning/ Routing tool software open-sourced • 4 New Technology Reports / Patents • 13 flight demonstrations planned • 27+ conference presentations 2013 $6,500,000 17 awards; 13 Y2 option 2015 $3,590,150 8 awards; 8 Y2 option • 46+ papers published 2016 $4,676,693 8 awards; 8 Y2 option • 100+ students involved 2018 $5,802,500 8 awards; 8 Y2 option 2020 $5,900,000 9 awards. (assumes 2 yrs) • Many technology readiness levels (TRL) raised 2020 SmallSat Conference # SSC20-WKI-04 NASA SST Program SmallSat Technology Partnerships 3 STP 2013 2015 2016 2018 2020 2021 ClassSTP Technology Topics Communications Avionics / Command & Enhanced Power Instruments for Lunar Communications TBD Data Handling Generation and SmallSats including and Navigation Subsystem Storage Multiple SmallSats Network GN&C Communication Cross-linking Technologies That Smallsat Propulsion for TBD Subsystem Communications Enable Large Swarms Lunar Missions Systems of Small Spacecraft Propulsion Ground Data Systems Relative Technologies That Advanced Electrical TBD Navigation for Enable Deep Space Power and Thermal Multiple Small Small Spacecraft Management Spacecraft Missions Power Guidance Navigation & Instruments and Solicitation encourages Control / Attitude Sensors for Small grant extensions for Determination & Spacecraft Science suborbital, orbital Technology Topics Control Subsystem Missions flight demo Science Instrument Payloads Capabilities Advanced Power Subsystem Manufacturing Propulsion Subsystem Structures and Mechanisms Subsystem-Oriented System-Oriented Mission-Oriented Pivot to Lunar Missions Manufacturing LEO Deep Space, Multi-Spacecraft Exploration Infrastructure Instruments Instruments Instruments 2020 SmallSat Technology Partnership Solicitation • NASA plans to return humans to the Moon by 2024. SmallSat precursor missions will blaze the trail for lunar exploration: • Communication and navigation networks • Assembly and repair services • In-situ resource and habitat surveys • The 2020 STP sought proposers to identify: • A potential lunar mission that could be executed using Smallsats • A specific gap in SoA preventing mission accomplishment by Smallsats • A partnership effort (TRL 3 – 7) aimed at closing that technology gap • Proposals must be submitted to one of three technology topics: 1. Lunar Communications and Navigation Network 2. Smallsat Propulsion for Lunar Missions 3. Advanced Electrical Power Subsystem and Thermal Management Technology 2020 SmallSat Conference # SSC20-WKI-04 NASA SST Program SmallSat Technology Partnerships 5 2020 STP Partnerships Selected for Award • The very competitive selection process emphasized technical relevance and technical approach • Nine university partnerships were selected: Title University PI Name NASA NASA Co-I Name Center Flat Panel Phased Array Antennas with Two Simultaneous Steerable San Diego State University Satish Sharma GRC James A Nessel Beams utilizing 5G Ka-Band SiliCon RFICs for Tx/Rx CommuniCations between 6U Small Satellite and Lunar surfaCe, Gateway and Earth 3-D Printed Hybrid Propulsion Solutions for SmallSat Lunar Landing and Utah State University Stephen Whitmore MSFC George Taylor Story Sample Return A high-preCision Continuous-time PNT CompaCt module for the LunaNet University of California, Chee Wei Wong JPL Andrey B Matsko small spaCeCraft Los Angeles Variable SpeCifiC Impulse EleCtrospray Thrusters for Smallsat Propulsion University Of California, Manuel Gamero- JPL John K Ziemer Irvine Castano An Additively ManufaCtured Deployable Radiator with OsCillating Heat California State University, Yen Kuo JPL Benjamin Furst Pipes (AMDROHP) to Enable High Power Lunar CubeSats Los Angeles Deployable OPtiCal ReCeiver Aperture for Lunar CommuniCations and Arizona State University Daniel JaCobs JPL Jose E VelazCo Navigation On-Orbit Demonstration of SurfaCe Feature-Based Navigation and University Of Texas, Austin Brandon Jones JSC Christopher Timing D'Souza A Small Satellite Lunar CommuniCations and Navigation System University Of Colorado, Scott Palo JPL Courtney Duncan Boulder Lunar Missions Enabled by ChemiCal-EleCtrospray Propulsion University Of Illinois, Joshua Rovey GRC, Thomas Liu, Urbana-Champaign GSFC Khary Parker 1. Flat Panel Phased Array Antennas with Two Simultaneous Steerable Beams utilizing 5G Ka-Band Silicon RFICs for Tx/Rx Communications between 6U Small Satellite and Lunar surface, Gateway and Earth 2. 3-D Printed Hybrid Propulsion Solutions for SmallSat Lunar Landing and Sample Return 3. A high-precision continuous-time PNT compact module for the LunaNet small spacecraft Topic 1 Lunar Communications and Navigation Network: Technology Demonstration Mission 3. LunaNet PNT project objectives and deliverables 1. High-precision low-drift inertial sensing 2. High-precision low-drift clock LunaNet PNT Sensitivity / Bias Current TRL à • TRL maturation of the 4 Random walk 10 1,000 module Repeatability instabilit Completion TRL optomechanical clock (different state-of-art USO y optomechanical (m) Clock legend Velocity random Sensitivity = project),the 3 100 FlowN Inertialsensor 1/2 50.9 µg 3 à 5 day walk = 8.2µg/Hz 625 µg/Hz accelerometer, and a 10 tunneling 1 Not yet flown resonant Angle random walk Repeatability 0.0012 gyroscope @ 10 Gyroscope 1/2 7 à 7 piezoresistive GPS Cs = 0.3 °/hr/Hz = 0.015 °/hr ° /hr • Design of the compact, 2 optomechanical GLONASS Cs Deep space 2-way 10 tunneling error raNge precisioN (1m) ruggedized package optical GPS IIF Rb (w/ drift) Mercury SNR´Q product (short-time 2´10-15 1 à optical thermal ion instability)= 3´10-13/ t (1-day 7 9 for the PNT module 1 tunneling raNge clock instability) 10 optical GPS IIF Rb (w/o drift) • 1-day imprecision: resonant Overall trajectoryimprecision / 0.1 Galileo H-maser 2 meters or less (3s rms error) over 1-day trajectory < 2 m (3s) & ACES Cold Cs (lab) Real-time orbit determination bulk spring-mass time transfer < 1-ns 0 optomechanical 10 capacitive DSAC DSAC ACES Cold tunneling 0.01 ACES H-maser operating excitation frequency (Hz) frequency excitation operating (2nd (demo) NASA/SAO Accumulated Cs (goal) Real-time time-transfer imprecision sub-nanosecond over 1-day our sensor our sensor (pre- Gen) H-maser (oscillation mode) capacitive oscillation mode) -1 optical optical 10 -8 -7 -6 -5 -4 -3 -2 -1 0.001 We will develop and demonstrate an engineering module of an 10 10 10 10 10 10 10 10 0 20 40 60 80 100 accelerometer and create a conceptual design for a state-of-the-art resolution (g/Hz1/2) Mass (kg) high-precision LunaNet PNT module in the technology demonstration mission. The inertial sensing is achieved with an integrated chip-scale • Chip-scale optomechanics inertial measurement at 8.2-µg/Hz1/2, RF readout optomechanical inertial sensor developed at UCLA paired with a • Compact mercury ion clock at 10-15 1-day stability, for space flight mission commercial space qualified gyroscope. The timing is achieved with an integrated high-performance mercury ion clock that has been developed at JPL. Compact Autonomous Navigation UCLA Mesoscopic Optics and Quantum Electronics Group • Inertial sensing: tight field • TRL maturation and packaging confinement for strong • State-of-the-art chip, inertial sensing – gyroscope optomechanical transduction and integration, engineering model for advanced PNT parametrically-driven oscillation. • Precision modular and environmental testing • Motional readout at the • Timing transfer and thermal noise metrology thermodynamical backaction limits • Clock: Ultrastable integrated JPL Frequency and Timing Advanced Instrument Development Group compact mercury ion clock • TRL maturation and packaging • Gyroscope: Integrated