Design and Systems Engineering of AFRL's Demonstration and Sciences Experiment

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Title: Design and Systems Engineering of AFRL's Demonstration and Sciences Experiment
Author: Cohen, Dan ; Spanjers, Gregory ; Winter, James ; Ginet, Gregory ; Dichter, Bronislaw ; Adler, Aaron ; Tolliver, Martin
Abstract: The Air Force Research Laboratory (AFRL) Space Vehicles Directorate has developed the Demonstration and Science Experiments (DSX) mission to research technologies needed to significantly advance Department of Defense (DoD) capability to operate spacecraft in the harsh radiation environment of medium-earth orbits (MEO). The ability to operate effectively in the MEO environment significantly increases the DoD’s capability to field space systems that provide persistent global targeting-grade space surveillance, high-speed satellite-based communication, lower-cost GPS navigation, and protection from space weather on a responsive satellite platform. The three DSX experiments areas are: 1. Wave Particle Interaction Experiment (WPIx): Researching the physics of very-low-frequency (VLF) transmissions in the magnetosphere and characterizing the feasibility of natural and manmade VLF waves to reduce space radiation; 2. Space Weather Experiment (SWx): Characterizing and modeling the space radiation environment in MEO, an orbital regime attractive for future DoD and commercial missions; 3. Space Environmental Effects (SFx): Researching and characterizing the space weather effects on spacecraft electronics and materials. DSX uses a modular design that allows for launch either as a primary satellite on a conventional launcher, such as a Minotaur, or as a secondary payload on a larger rocket, such as the Evolved Expendable Launch Vehicle (EELV). An overview of the DSX spacecraft design, requirements, systems engineering approach, bus subsystems, payload designs, and experiments will be described.
Description: This conference features the work of authors from: Georgia Tech’s Space Systems Design Lab, Aerospace Systems Design Lab, School of Aerospace Engineering, Georgia Tech Research Institute; NASA’s Jet Propulsion Laboratory, Marshall Space Flight Center, Goddard Space Flight Center, Langley Research Center; and other aerospace industry and academic institutions
Type: Presentation
Date: 2005-11-10
Contributor: Air Force Research Laboratory (Wright-Patterson Air Force Base, Ohio). Space Vehicles Directorate
Georgia Institute of Technology. Space Systems Design Lab
Relation: SSEC05. Session D;GT-SSEC.D.1
Publisher: Georgia Institute of Technology
Subject: Demonstration and Science Experiments
Medium-earth orbits
Space Environmental Effects
Space radiation environment
Space weather effects on spacecraft electronics and materials
Space Weather Experiment
Systems engineering
Wave Particle Interaction Experiment

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