NASA Office of Logic Design

A scientific study of the problems of digital engineering for space flight systems,
with a view to their practical solution.

Galileo Attitude Control Electronics

Radiation Hardened Emulation Computer (RHEC) Prototype

"Analysis, Design, and Performance of Electronics In a Deep Space, High Radiation Environment"
Presented at the IEEE Nuclear and Space Radiation Effects Conference
July 2000

nsrec00_galileo_full.ppt

Some Pictures of the Spacecraft

	Deployment from the Shuttle The Galileo spacecraft and its Inertial Upper Stage booster rocket were deployed from the space shuttle Atlantis October 18, 1989. Shortly thereafter, the booster rocket fired and separated, sending Galileo on its six-year journey to the planet Jupiter. Upon its arrival at Jupiter in December 1995, Galileo released a probe into the atmosphere so that scientists could survey the composition of the planet's clouds. The orbiter has relayed probe information, surveyed its surroundings, and photographed Jupiter and some of its major satellites.
	Line Drawing of Galileo with Callouts This figure shows the locations of many of Galileo's main structural and scientific components.
	Getting Ready for Launch This photo shows the Galileo spacecraft being prepared for mating to its Inertial Upper Stage. The black and gold fabric that covers the spacecraft is designed to protect it from both the heat of the sun and the chill of interplanetary space. The conical structure near the bottom of the spacecraft conceals the atmospheric probe, which dropped into the Jovian atmosphere on December 7, 1995.

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Digital Engineering Institute
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