During numerous contacts with a satellite each day, spacecraft analysts must closely monitor real time data for combinations of telemetry parameter values, trends, and other indications that may signify a problem or failure. As satellites become more complex and the number of data items increases, this task is becoming increasingly difficult for humans to perform at acceptable performance levels. At the NASA Goddard Space Flight Center, fault-isolation expert systems have been developed to support data monitoring and fault detection tasks in satellite control centers. Based on the lessons learned during these initial efforts in expert system automation, a new domain-specific expert system development tool named the Generic Spacecraft Analyst Assistant (GenSAA) is being developed to facilitate the rapid development and reuse of real-time expert systems to serve as fault-isolation assistants for spacecraft analysts. Although initially domain-specific in nature, this powerful tool will support the development of highly graphical expert systems for data monitoring purposes throughout the space and commercial industry.


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    Title :

    GenSAA: A Tool for Advancing Satellite Monitoring with Graphical Expert Systems


    Contributors:
    P. M. Hughes (author) / E. C. Luczak (author)

    Publication date :

    1993


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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    Hughes, P. / Shirah, G. / Luczak, E. et al. | British Library Conference Proceedings | 1993