Detect-and-Avoid (DAA) systems are essential to the safe operations of Unmanned Aircraft Systems, and have the objectives of mitigating collisions with and remaining Well Clear of manned aircraft. This paper analyzes four candidate DAA Well Clear definitions for non-cooperative aircraft using mitigated performance metrics of DAA systems. These DAA Well Clear definitions were proposed in previous work based on their unmitigated collision risk and maneuver initiation range. In this work they are evaluated using safety and operational suitability metrics computed from a large number of representative encounters. Results suggest that although the four candidate DAA Well Clear definitions provide comparable safety, the alerting characteristics give preference for the DAA Well Clear definition without a temporal parameter.


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    Title :

    Defining Well Clear Separation for Unmanned Aircraft Systems Operating with Noncooperative Aircraft


    Contributors:

    Conference:

    AIAA Aviation Forum 2019 ; 2019 ; Dallas, TX, United States


    Publication date :

    2019-06-17


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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