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The application of Open System Architecture to planetary surface systemsThe issues that future planet surface activities must confront are explored, the basic concepts that provide the basis for establishing an Open System Architecture (OSA) are defined, the appropriate features of such an architecture are identified, and examples of OSAs are discussed. OSAs are designed to provide flexibility and evolutionary growth of planet surface systems to support the users needs. An OSA is based on two fundamental principles: precise definition of component functionality and the establishment of standards. An OAS must be functionally decomposed, top down, to identify all functions, subfunctions, subsubfunctions, etc., that are required to be performed by the system. There is an allocation of function, or process, to components. The functional packaging within a component becomes the user's primary perception of the system. The standards of an OSA enable the user to attain the full functional capabilities inherent in the system.
Document ID
Document Type
Conference Paper
Petri, D. A.
(NASA Johnson Space Center Houston, TX, United States)
Pieniazek, L. A.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Toups, L. D.
(Lockheed Engineering and Sciences Co. Houston, TX, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1992
Publication Information
Publication: In: Engineering, construction, and operations in space - III: Space '92; Proceedings of the 3rd International Conference, Denver, CO, May 31-June 4, 1992. Vol. 1 (A93-41976 17-12)
Subject Category
Ground Support Systems And Facilities (Space)
Accession Number
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