Item Details

Spaceborne Computer Executive Routine Functional Design Specification

R.T. Curran, James R. Kennedy, and W.S. Fitzpatrick
Format
Book; Government Document; Online; EBook
Published
Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : For sale by the National Technical Information Service [distributor], 1971.
Language
English
Series
NASA Contractor Report
Summary
A flight computer functional executive design for the reusable shuttle is presented. The design is given in the form of functional flowcharts and prose description. Techniques utilized in the regulation of process flow to accomplish activation, resource allocation, suspension, termination, and error masking based on process primitives are considered. Preliminary estimates of main storage utilization by the Executive are furnished. Conclusions and recommendations for timely, effective software-hardware integration in the reusable shuttle avionics system are proposed. -- V. I. The computer executive functional system design concepts derived from study of the Space Station/Base are presented. Information Management System hardware configuration as directly influencing the executive design is reviewed. The hardware configuration and generic executive design requirements are considered in detail in a previous report (System Configuration and Executive Requirements Specifications for Reusable Shuttle and Space Station/Base, 9/25/70). This report defines basic system primitives and delineates processes and process control. Supervisor states are considered for describing basic multiprogramming and multiprocessing systems. A high-level computer executive including control of scheduling, allocation of resources, system interactions, and real-time supervisory functions is defined. The description is oriented to provide a baseline for a functional simulation of the computer executive system. -- V. II. THis report investigates the executive routine primitives and process control for spaceborne computer functional design specification -- V. III.
Contents
  • v. I. Functional design of a flight computer eecutive program for the reusable shuttle.
  • v. II. Computer executive design for space station/base.
  • v. III. Executive routine primitives and process control.
Description
3 v.: ill. ; 27 cm.
Mode of access: Internet.
Notes
  • "NASA CR-1867"--V. I; "NASA CR-1868"--V. II; "NASA CR-1869"--V. III.
  • "October 1971."
  • Cover title.
Series Statement
NASA contractor report ; NASA CR-1867-1869
Other Forms
Also available online from the NASA Technical Reports Server (http://ntrs.nasa.gov/). Address as of 02/15/06: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720005528%5f1972005528.pdf.
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Technical Details

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    a| Spaceborne computer executive routine functional design specification / c| R.T. Curran, James R. Kennedy, and W.S. Fitzpatrick.
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    a| Washington, D.C. : b| National Aeronautics and Space Administration ; a| Springfield, Va. : b| For sale by the National Technical Information Service [distributor], c| 1971.
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    a| NASA contractor report ; v| NASA CR-1867-1869
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    a| "NASA CR-1867"--V. I; "NASA CR-1868"--V. II; "NASA CR-1869"--V. III.
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    a| "October 1971."
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    a| Cover title.
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    a| v. I. Functional design of a flight computer eecutive program for the reusable shuttle. -- v. II. Computer executive design for space station/base. -- v. III. Executive routine primitives and process control.
    520
      
      
    a| A flight computer functional executive design for the reusable shuttle is presented. The design is given in the form of functional flowcharts and prose description. Techniques utilized in the regulation of process flow to accomplish activation, resource allocation, suspension, termination, and error masking based on process primitives are considered. Preliminary estimates of main storage utilization by the Executive are furnished. Conclusions and recommendations for timely, effective software-hardware integration in the reusable shuttle avionics system are proposed. -- V. I. The computer executive functional system design concepts derived from study of the Space Station/Base are presented. Information Management System hardware configuration as directly influencing the executive design is reviewed. The hardware configuration and generic executive design requirements are considered in detail in a previous report (System Configuration and Executive Requirements Specifications for Reusable Shuttle and Space Station/Base, 9/25/70). This report defines basic system primitives and delineates processes and process control. Supervisor states are considered for describing basic multiprogramming and multiprocessing systems. A high-level computer executive including control of scheduling, allocation of resources, system interactions, and real-time supervisory functions is defined. The description is oriented to provide a baseline for a functional simulation of the computer executive system. -- V. II. THis report investigates the executive routine primitives and process control for spaceborne computer functional design specification -- V. III.
    530
      
      
    a| Also available online from the NASA Technical Reports Server (http://ntrs.nasa.gov/). Address as of 02/15/06: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720005528%5f1972005528.pdf.
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    a| Performed by Computer Sciences Corporation, Field Services Division, Aerospace Systems Center, Huntsville, Alabama, for George C. Marshall Space Flight Center b| NAS8-24930
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    a| Mode of access: Internet.
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    a| Requirements. 2| nasat
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    a| Space stations. 2| nasat
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    a| Space bases. 2| nasat
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    a| Equipment specifications. 2| nasat
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    a| Routines. 2| nasat
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    a| Spacecraft electronic equipment. 2| nasat
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    a| Systems engineering. 2| nasat
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    a| Spacecraft design. 2| nasat
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    a| Avionics. 2| nasat
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    a| Space shuttles. 2| nasat
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    a| Reusable spacecraft. 2| nasat
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    a| Computer programs. 2| nasat
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    1
      
    a| Fitzpatrick, W. S.
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    1
      
    a| Kennedy, James R.
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    a| George C. Marshall Space Flight Center.
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    2
      
    a| Computer Sciences Corporation.
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    b| UIU c| UIUC d| 20141113 s| google u| uiug.30112106768762 z| pt.3 y| 1971 r| pd q| bib
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    b| UIU c| UIUC d| 20141113 s| google u| uiug.30112106768770 z| pt.2 y| 1971 r| pd q| bib
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    b| UIU c| UIUC d| 20141113 s| google u| uiug.30112106768788 z| pt.1 y| 1971 r| pd q| bib

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