The identification of unmanned aircraft systems (UAS) using trajectory data is considered. Specifically, a number of smoothness metrics are proposed, which can be used to distinguish UAS from other aerial objects even when they are engaged in accelerative maneuvers (non-constant-velocity flight). The metrics are evaluated on a data set from a UAS sense-and-avoid field test, which contains track data of aerial objects recorded by a vehicle-board radar system during a flight test. The metrics are found to effectively differentiate UAS from other objects such as birds for this data set. In addition, an initial statistical performance analysis of one of the smoothness metrics is undertaken, using 15 data sets deriving from multiple flight tests. The smoothness metric is shown to identify the target UAS with 95% accuracy (95% true positive rate), while achieving a false positive rate of less than 9%.


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    Title :

    Using Trajectory Smoothness Metrics to Identify Drones in Radar Track Data


    Contributors:
    Sandip Roy (author) / David Petrizze (author) / Logan Dihel (author) / Mengran Xue (author) / Chester Dolph (author) / Henry Holbrook (author)

    Conference:

    Aviation 2022 Forum ; 2022 ; Chicago, IL, US


    Publication date :

    2022-06-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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