Extravehicular Activity Power, Avionics and Software 101

Discipline: Environmental Control/Life Support
Originally recorded May 6, 2011

EVA (extravehicular activity) systems consist of a spacesuit or garment, a PLSS (portable life support system), a PAS (power, avionics, and software) system, and spacesuit interface hardware. The PAS system is responsible for providing power for the suit, communication of several types of data between the suit and other mission assets, avionics hardware to perform numerous data display and processing functions, and information systems that provide crewmembers data to perform their tasks with more autonomy and efficiency. Irimies discussed how technology development efforts have advanced the state-of-the-art in these areas and shared technology development challenges.

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