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Mar 2, 2024
Saptarshi Bandyopadhyay, 2024, "Modeling Considerations for Developing Deep Space Autonomous Spacecraft and Simulators", https://doi.org/10.48577/jpl.QMQ6PH, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
Over the last two decades, space exploration systems have incorporated increasing levels of onboard autonomy to perform mission-critical tasks in time-sensitive scenarios or to bolster operational productivity for long-duration missions. Such systems use models of spacecraft subs...
Mar 2, 2024
William Jun, 2024, "Positioning, Navigation, and Timing for Lunar Descent and Landing with Joint Doppler and Ranging", https://doi.org/10.48577/jpl.UR7KFF, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
Lunar descent and landing requires accurate position, velocity, and timing (PVT) knowledge in real-time. This paper introduces the use of Joint Doppler and Ranging (JDR) fused with additional sensors to estimate PVT for a lunar lander. JDR is a radiometric navigation method that...
Mar 2, 2024
Benjamin Donitz, 2024, "Mars Sample Return Surface Relay Planning and Coordination", https://doi.org/10.48577/jpl.YLIZ1B, 2024 IEEE Aerospace Conference, JPL Open Repository
The Mars Sample Return (MSR) Campaign is acoordinated effort between NASA and ESA to return samplesfrom the surface of Mars. For the first time, there would bemultiple surface assets operating in a local region, sharing relaypasses from a single orbiter. Furthermore, MSR’s constr...
Mar 2, 2024
Charles Lee, 2024, "A Novel Autonomous Lunar Self-Localization Technique Based on Local Surrounding Horizon Mask", https://doi.org/10.48577/jpl.WMYXYA, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
Due to the absence of vegetation, season, weather, and artificial human-made structures, the surrounding horizon mask (SHM) at each location on the Moon remains unchanged. Because the lunar surface temperature is higher than the cold sky, the SHM signature can be extracted distin...
Mar 2, 2024
William Jun, 2024, "Ground-Assisted Position Navigation and Timing (PNT) for Moon and Mars", https://doi.org/10.48577/jpl.O77R17, IEEE Aerospace Conference Big Sky, Montana, JPL Open Repository
The recent exploration initiatives for robotic and human missions to the Moon and Mars requires long-term communications and navigation infrastructures that provide accurate and autonomous PNT services for orbiting and surface users. NASA launched the Communication Relay and Navi...
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