This study was undertaken to demonstrate the feasiblity of applying expert system technology to the Navy's H-46 helicopter maintenance process. A microcomputer based prototype known as a computer aided diagnostic system (CADS) was developed for this purpose. Given a helicopter electrical or hydraulic system discrepancy, the troubleshooter interacts with CADS to find the cause. The prototype CADS was developed utilizing the M.1 knowledge-based system development tool by knowledge. Inc. The complexity of helicopter systems diagnosis, and inadequacies of the maintenance manuals, often result in unnecessary removal of system components. The prototype CADS is intended to demonstrate that a fully developed system, containing all the formal and heuristic knowledge of H-46 diagnostic information, could eliminate these problems. Also, such a diagnstic system could provide a comprehensive, stable diagnostic knowledge base, regardless of personnel turnover. This study includes a description of current helicopter maintenance procedures and how the integration of CADS could improve this process. Also included are descriptions of expert systems and the M.1 knowledge-based system development tool how they work, and their applicability to structured selection problem-solving. The development and testing strategies used for CADs are discussed in detail. Results conclusions, and recommendations for further study are provided.


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    Title :

    Development of a prototype H-46 helicopter diagnostic expert system


    Additional title:

    Expertensystem-Prototyp fuer die Inspektion des Hubschraubers H-46


    Contributors:

    Published in:

    Publication date :

    1987


    Size :

    125 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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