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1 to 10 of 133 Results
“In OBP We Trust”: Verification and Validation of the M2020 On Board Planner Flight Software
Mar 2, 2024
Shreya Parjan, 2024, "“In OBP We Trust”: Verification and Validation of the M2020 On Board Planner Flight Software", https://doi.org/10.48577/jpl.67LMEZ, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
With a planned deployment to the Perseverance roverin October 2023, the Mars 2020 On Board Planner (OBP) flightsoftware (FSW) will allow the rover to conserve energy and au-tonomously perform more activities when surplus resources (i.e.energy, data volume, time) are available. Th...
Unleashing Robust, Explainable Autonomy in Icy Moon Missions: Testbed Demonstrations
Mar 2, 2024
Martin Feather, 2024, "Unleashing Robust, Explainable Autonomy in Icy Moon Missions: Testbed Demonstrations", https://doi.org/10.48577/jpl.ZD4H3L, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
Our Robust, Explainable Autonomy for Scientific Icy Moon Operations (REASIMO) effort contributes to NASA’s COLDTech program, which explores science platform technologies for icy worlds such as Europa and Enceladus. Icy world missions pose significant operational challenges – long...
Two-way Ranging using OFDM Waveform with Application to Lunar Surface Navigation
Mar 2, 2024
Dennis Ogbe, 2024, "Two-way Ranging using OFDM Waveform with Application to Lunar Surface Navigation", https://doi.org/10.48577/jpl.4JCSRU, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
We present a ranging system which measures the distance between two radio nodes by estimating the time of flight (ToF) of a series of short radio frequencybursts modulated using an orthogonal frequency division multiplexing (OFDM) waveform. ToF is estimated by periodically exchan...
Two Steps Forward: Evolving Psyche’s Fault Protection Validation Post-Launch Slip
Mar 2, 2024
Swapnil Pujari, 2024, "Two Steps Forward: Evolving Psyche’s Fault Protection Validation Post-Launch Slip", https://doi.org/10.48577/jpl.GRMHHB, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
On October 5th, 2023, the Psyche Mission is targeted to launch to the large metallic asteroid (16) Psyche that will be exploring the exposed core material of a differentiated planetesimal-class asteroid. This unique NASA Discovery-class Mission combines a Solar Electric Propulsio...
To Boldly Go Where No Robots Have Gone Before – Part 3: Characterizing the Performance of Screw Propulsion for Robust Surface and Subsurface Mobility of EELS on Highly Unknown Terrains
Jan 8, 2024
Eloise Marteau, 2024, "To Boldly Go Where No Robots Have Gone Before – Part 3: Characterizing the Performance of Screw Propulsion for Robust Surface and Subsurface Mobility of EELS on Highly Unknown Terrains", https://doi.org/10.48577/jpl.JHDWAY, AIAA SciTech 2024, JPL Open Repository
The Extant Exobiology Life Surveyor EELS system is a snake-like robot, with active skin screw propulsion, composed of a series of repeating segments, each housing both the actuation and propulsion mechanisms. By displaying versatile adaptability to different types of terrains, th...
To Boldly Go Where No Robots Have Gone Before – Part 2: The Versatile Mobility of the EELS Robot for Robustly Exploring Unknown Environments
Jan 8, 2024
Matthew Gildner, 2024, "To Boldly Go Where No Robots Have Gone Before – Part 2: The Versatile Mobility of the EELS Robot for Robustly Exploring Unknown Environments", https://doi.org/10.48577/jpl.XWPKXY, AIAA SciTech 2024, JPL Open Repository
JPL has developed a snake-like robot concept called Exobiology Extant Life Surveyor (EELS) that applies a highly versatile mobility architecture and intelligent risk-aware autonomy towards exploration of unknown and uncertain environments in the solar system, such as the vents of...
To Boldly Go Where No Robots Have Gone Before – Part 1: EELS Robot to Spearhead a New One-Shot Exploration Paradigm with in-situ Adaptation
Jan 8, 2024
Hiro Ono, 2024, "To Boldly Go Where No Robots Have Gone Before – Part 1: EELS Robot to Spearhead a New One-Shot Exploration Paradigm with in-situ Adaptation", https://doi.org/10.48577/jpl.U1HZN9, AIAA SciTech 2024, JPL Open Repository
Historically, robotic space exploration has been conducted in a sequence of incrementally more sophisticated missions, starting from flyby and orbiting, followed by simple landing and roving missions, and eventually complex robotic missions involving long-range driving, drilling,...
Timing Synchronization among UAVs Swarm via Quantum-Well Modulating Retroreflecting Optical Communication for Distributed Interferometric Antenna
Jan 22, 2024
Lin Yi, 2024, "Timing Synchronization among UAVs Swarm via Quantum-Well Modulating Retroreflecting Optical Communication for Distributed Interferometric Antenna", https://doi.org/10.48577/jpl.2UBRDC, ION-PTTI, JPL Open Repository
The paper presents a timing synchronization algorithm and an associated mission concept to use a swarm of unmanned aerial vehicles (UAVs) to form a large distributed interferometric antenna in the frequency range of 0.1 to 1GHz. The algorithm is customized to passive optical comm...
Time-resolved electron temperature of a low power Hall thruster
Jan 8, 2024
Lee Johnson, 2024, "Time-resolved electron temperature of a low power Hall thruster", https://doi.org/10.48577/jpl.VDI4U3, AIAA SciTech Forum (2024), JPL Open Repository
Time-dependent behavior of electrons can be critically important to Hall thruster discharge behavior. Fast Optical Emission Spectroscopy (FastOES) is a non-invasive diagnostic capable of measuring the time-resolved electron temperature of the plasma. The FastOES approach splits t...
TID Testing of SiGe Microelectronics Using High-Flux 1-MeV Electrons for Europa-Surface Missions
Mar 2, 2024
Linda Del Castillo, 2024, "TID Testing of SiGe Microelectronics Using High-Flux 1-MeV Electrons for Europa-Surface Missions", https://doi.org/10.48577/jpl.RSZWVT, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
Europa lies in Jupiter’s colossal radiation belt, producing radiation surface conditions that are so severe (5 Mrad[Si]) that most modern electronics would experience degradation in a matter of days. This challenge, coupled with the sub-100 K surface temperatures, leads to a very...
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