NASA NTRS · 19790017936
Inertial Upper Stage (IUS) software analysis
Abstract
The Inertial Upper Stage (IUS) System, an extension of the Space Transportation System (STS) operating regime to include higher orbits, orbital plane changes, geosynchronous orbits, and interplanetary trajectories is presented. The IUS software design, the IUS software interfaces with other systems, and the cost effectiveness in software verification are described. Tasks of the IUS discussed include: (1) design analysis; (2) validation requirements analysis; (3) interface analysis; and (4) requirements analysis.
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Grayson, W. L., Nickel, C. E., Rose, P. L., Singh, R. P.. 1979-06-14. Inertial Upper Stage (IUS) software analysis. https://ntrs.nasa.gov/citations/19790017936
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