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Pterodactyl: Non-Propulsive Control System Designs for Future Planetary Missions

Authors
  • Reddish, Brandon J.
  • D'Souza, Sarah N.
  • Margolis, Benjamin W.
  • Nikaido, Ben E.
  • Wong, Veronica M.
  • Okolo, Wendy A.
  • Alunni, Antonella
  • Hays, Zane B.
  • Yount, Bryan C.
Publication Date
Apr 15, 2020
Source
NASA Technical Reports Server
Keywords
License
Unknown

Abstract

Advances in deployable entry vehicle (DEV) technology, entry guidance, woven thermal protection systems, and affordable launch services make it possible to conceive of entry vehicles that optimize maneuverability, usable payload mass and volume, and operational costs. NASA's Space Technology Mission Directorate is currently funding the authors on a project, Pterodactyl, that is using on-the-fly trajectory design and integrated software and hardware development to investigate non-propulsive entry control systems for precision targeting of mechanical DEVs. The authors recently reported developments of these control systems for an asymmetric DEV to track bank commands for a lunar return entry. For this presentation, the authors will highlight key findings from their studies and propose rapid investigations of applications to future Mars missions such as sample return and asset delivery. Pterodactyl entry vehicle designs are suited to handle sensitive payloads and poised to achieve greater payload mass and volume compared to heritage entry vehicles given a particular launch vehicle. Furthermore, these designs could be adapted to launch on less costly launch vehicles as secondary payloads and could enable missions with high-frequency deployment requirements.

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