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    Development and Flight Testing of an Adaptable Vehicle Health-Monitoring Architecture

    Development and Flight Testing of an Adaptable Vehicle Health-Monitoring Architecture


    Development and testing of an adaptable wireless health-monitoring architecture for a vehicle fleet is presented. It has three operational levels: one or more remote data acquisition units located throughout the vehicle; a command and control unit located within the vehicle; and a terminal collection unit to collect analysis results from all vehicles. Each level is capable of performing autonomous analysis with a trained adaptable expert system. The remote data acquisition unit has an eight channel programmable digital interface that allows the user discretion for choosing type of sensors; number of sensors, sensor sampling rate, and sampling duration for each sensor. The architecture provides framework for a tributary analysis. All measurements at the lowest operational level are reduced to provide analysis results necessary to gauge changes from established baselines. These are then collected at the next level to identify any global trends or common features from the prior level. This process is repeated until the results are reduced at the highest operational level. In the framework, only analysis results are forwarded to the next level to reduce telemetry congestion. The system's remote data acquisition hardware and non-analysis software have been flight tested on the NASA Langley B757's main landing gear.

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    Titel :

    Development and Flight Testing of an Adaptable Vehicle Health-Monitoring Architecture

    Beteiligte:
    Woodard, Stanley E. (Autor:in) / Coffey, Neil C. (Autor:in) / Gonzalez, Guillermo A. (Autor:in) / Woodman, Keith L. (Autor:in) / Weathered, Brenton W. (Autor:in) / Rollins, Courtney H. (Autor:in) / Taylor, B. Douglas (Autor:in) / Brett, Rube R. (Autor:in)
    Erscheinungsdatum :

    2003-01-01

    Medientyp :

    Report

    Format :

    Keine Angabe

    Sprache :

    Englisch

    Schlagwörter :

    Aircraft Design, Testing And Performance

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