The Mission Operations Planning Assistant (MOPA) is a knowledge-based system developed to support the planning and scheduling of instrument activities on the Upper Atmospheric Research Satellite (UARS). The MOPA system represents and maintains instrument plans at two levels of acstraction in order to keep plans comprehensible to both UARS Principal Investigators and Command Management personnel. The hierarchical representation of plans also allows MOPA to automatically create detailed instrument activitiy plans from which spacecraft command loads may be generated. The MOPA system was developed on a Symbolics 3640 computer using the Zeta Lisp and ART languages. MOPA's features include a textual and graphical interface for plan inspection and mofication, recognition of instrument operational constraint violations during the planning process, and consistency maintenance between the different planning levels. This paper describes the current MOPA system.


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    Title :

    The mission operations planning assistant


    Additional title:

    Expertensystem fuer die Planung von Instrumenten von Satelliten


    Contributors:

    Published in:

    Publication date :

    1987


    Size :

    11 Seiten, 3 Bilder, 8 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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    J. G. Schuetzle | NTIS | 1987


    The mission operations planning assistant

    Schuetzle, James G. | NTRS | 1987



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