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Advanced Software Techniques for Data Management Systems. Volume 2: Space Shuttle Flight Executive System: Functional DesignA functional design of software executive system for the space shuttle avionics computer is presented. Three primary functions of the executive are emphasized in the design: task management, I/O management, and configuration management. The executive system organization is based on the applications software and configuration requirements established during the Phase B definition of the Space Shuttle program. Although the primary features of the executive system architecture were derived from Phase B requirements, it was specified for implementation with the IBM 4 Pi EP aerospace computer and is expected to be incorporated into a breadboard data management computer system at NASA Manned Spacecraft Center's Information system division. The executive system was structured for internal operation on the IBM 4 Pi EP system with its external configuration and applications software assumed to the characteristic of the centralized quad-redundant avionics systems defined in Phase B.
Document ID
19720013555
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Pepe, J. T. (Intermetrics, Inc. Cambridge, MA, United States)
Date Acquired
August 6, 2013
Publication Date
February 1, 1972
Subject Category
Computers
Report/Patent Number
NASA-CR-115514
TR-12-72-VOL-2
Accession Number
72N21205
Funding Number(s)
CONTRACT_GRANT: NAS9-11778
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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