The Evolutionary Definiton Office (EDO) at the Langley Research Center (LaRC) has the responsibility to analyze and evaluate alternative growth options of the Space Station and its utilization. Under contract to the EDO, Computer Technology Associates CCTA) has developed a PC-based automated mission and resource planning tool, AUTOPLAN. AUTOPLAN's input is a proposed profile missios,including for each: start year, number of allowable slip periods, mission duration, and requirement profiles for one or more resources as a function of time. The user also inputs a corresponding availlability profile for each resource over the whole time interval under study. Subject to the size of a given problem and microcomputer performance limitations, AUTOPLAN finds all integrated schedules which do not require more than the available resources. AUTOPLAN is implemented in Arity compiled PROLOG and executed on an IBM PC/AT with 640 KB memory. There is particular interest in small-scale planning and scheduling systems in the Space Station program because of the trend toward decentralizing these functions. The iterative resolution and recursion features of PROLOG greatly simplify the programming of this problem and make it easy to customize or generalize the solution evaluation algorithm. The quantitative capabilities of the tool and several postprocessor interpretive aids presently under assessment are described and a realistic sample application of the tool suite is presented.


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    Title :

    Autoplan - APC - based automated mission planning test


    Additional title:

    Planungssystem fuer den Betrieb einer Raumstation


    Contributors:

    Published in:

    Publication date :

    1987


    Size :

    10 Seiten, 4 Bilder



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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