Most unmanned aircraft systems will be required to be equipped with a Detect-and-Avoid (DAA) system with a surveillance component. The surveillance performance requirements of the DAA system to detect and track intruder aircraft will depend on the encounter geometries that unmanned aircraft are expected to have with other aircraft in the airspace. This presentation shows the analysis of the encounter geometries that were simulated using historical low-altitude traffic data and some proposed UAS missions. This analysis suggests how the overall safety and performance of a surveillance system may relate to surveillance parameters such as surveillance range, horizontal and vertical fields or regard. This study proposed and investigated potential safety and performance metrics for evaluating the performance of a surveillance system, such as the ratio of undetected and late-detected separation violations, and the time to violation at first detection for given sets of surveillance parameters.


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    Title :

    Investigating Detect-and-Avoid Surveillance Performance for Unmanned Aircraft Systems


    Contributors:

    Conference:

    RTCA SC-228 Meeting ; 2014 ; Washington, DC, United States


    Publication date :

    2014-08-25


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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