Browsing by Author "White, Douglas"
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Item The Trash Compaction Processing System (TCPS) Technology Demonstration and Risk Reduction Updates FY23-FY24(2024 International Conference on Environmnetal Systems, 2024-07-21) Richardson, Tra-My; Sepka, Steve; Martin, Kevin; Borrego, Melissa; Ewert, Michael; McKinley, Melissa; Trieu, Serena; Pace, Gregory; Young, Janine; White, DouglasThe Next STEP Phase B Trash Compaction Processing System (TCPS) is being developed for a technology demonstration on the International Space Station (ISS) to process common consumables spacecraft trash such as clothing and food packing to reduce the volume, recover the water, safen, and shaped the trash for storage, jettison, reuse (e.g. radiation shielding) and recycling. Sierra Space is developing the flight demonstration hardware and National Aeronautics and Space Administration (NASA) continues to conduct risk reduction activities to vet operational scenarios ensure successful on-orbit tests. After the flight demonstration on ISS, the TCPS can be infused into NASA short- and long-term missions. This paper will discuss the rational for the updated requirement definitions outlined in the 2023 International Conference on Environmental System TCPS paper and the risk reduction activities. In addition, drawing from lesson learned in the development of the TCPS, a discussion of other compression technologies will be introduced.Item The Trash Compaction Processing System (TCPS) Technology Demonstrations Science Objectives and Requirement Definitions(2023 International Conference on Environmental Systems, 2023-07-16) Richardson, Tra-My Justine; Lee, Jeffrey; Sepka, Steve; Martin, Kevin; Ewert, Michael; McKinley, Melissa; Trieu, Serena; Pace, Gregory; Young, Janine; White, DouglasThroughout the Next STEP Phase A and Phase B, the Trash Compaction Processing System (TCPS) is being developed for a technology demonstration on the International Space Station in 2025. For Phase A, two contractors built the proof-of-concept hardware. One contractor was chosen to build the TD hardware for Phase B. Both Phase A lesson learned and risk reduction activities at Ames Research Center were used to write the TD science objectives, scope, and requirements. The work at ARC aims to retire technical risks and provide design data to TCPS developers and the ISS system integrators. This paper will summarize the lessons learned from the proof-of-concept hardware and the risk reduction activities and how these lessons learned form the TD requirement matrix.