NASA NTRS · 19810003143
Application of a microprocessor to a spacecraft attitude control
Abstract
The attitude control system (ACS) microprocessor development work spanned three main design areas: hardware and instruction set, ACS firmware, and hardware firmware verification testing. The processor hardware utilizes two parallel 4 bit microprocessors. The firmware includes data processing for five sensors, four attitude control laws, and telemetry and commands.
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Brady, D. H., Hermann, F. W.. 1980-01-01. Application of a microprocessor to a spacecraft attitude control. https://ntrs.nasa.gov/citations/19810003143
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