Establishing performance requirements of computer based systems subject to uncertainty

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An organized systems design approach is dictated by the increasing complexity of computer based systems. Computer based systems are unique in many respects but share many of the same problems that have plagued design engineers for decades. The design of complex systems is difficult at best, but as a design becomes intensively dependent on the computer processing of external and internal information, the design process quickly borders chaos. This situation is exacerbated with the requirement that these systems operate with a minimal quantity of information, generally corrupted by noise, regarding the current state of the system. Establishing performance requirements for ... continued below

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11 p.

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Robinson, D. February 1, 1997.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

An organized systems design approach is dictated by the increasing complexity of computer based systems. Computer based systems are unique in many respects but share many of the same problems that have plagued design engineers for decades. The design of complex systems is difficult at best, but as a design becomes intensively dependent on the computer processing of external and internal information, the design process quickly borders chaos. This situation is exacerbated with the requirement that these systems operate with a minimal quantity of information, generally corrupted by noise, regarding the current state of the system. Establishing performance requirements for such systems is particularly difficult. This paper briefly sketches a general systems design approach with emphasis on the design of computer based decision processing systems subject to parameter and environmental variation. The approach will be demonstrated with application to an on-board diagnostic (OBD) system for automotive emissions systems now mandated by the state of California and the Federal Clean Air Act. The emphasis is on an approach for establishing probabilistically based performance requirements for computer based systems.

Physical Description

11 p.

Notes

OSTI as DE97000667

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  • International conference on engineering of computer based systems, Monterey, CA (United States), 24-27 Mar 1997

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  • Other: DE97000667
  • Report No.: SAND--96-2605C
  • Report No.: CONF-970337--2
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 448064
  • Archival Resource Key: ark:/67531/metadc685708

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  • February 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • April 13, 2016, 1:45 p.m.

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Robinson, D. Establishing performance requirements of computer based systems subject to uncertainty, article, February 1, 1997; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc685708/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.