A new rule-based, machine independent analytical tool for diagnosing spacecraft anomalies, the EnviroNET expert system, was developed. Expert systems provide an effective method for storing knowledge, allow computers to sift through large amounts of data pinpointing significant parts, and most importantly, use heuristics in addition to algorithms which allow approximate reasoning and inference, and the ability to attack problems not rigidly defines. The EviroNET expert system knowledge base currently contains over two hundred rules, and links to databases which include past environmental data, satellite data, and previous known anomalies. The environmental causes considered are bulk charging, single event upsets (SEU), surface charging, and total radiation dose.


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    Title :

    Machine Independent Expert System for Diagnosing Environmentally Induced Spacecraft Anomalies


    Contributors:

    Publication date :

    1991


    Size :

    12 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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