With the increasing activity of unmanned aircraft (UA) in very low-level (VLL) airspace, severe challenges have emerged to personal safety, social order and national security. This paper proposes a method of airspace assessment and classification for UA operation. Both ground and air risks caused by UA are taken into considered to establish a quantifiable VLL airspace assessment indication system. Then, the comprehensive risk value of each grid of rasterization airspace is estimated by a set of comprehensive evaluation method. the concept of additional characteristic value is presented to reduce the threat to high risk level areas caused by surrounding UAs. Finally, the VLL airspace for UAs is organized into three classifications defined in this paper: permitted fly area, limited fly area and forbidden fly area. A case study on the simulated VLL urban airspace illustrates that the proposed method can assess the operational risk of UA and classify VLL airspace to set different access criteria for UA. Based on the three classifications of airspace defined in this paper, the efficiency and risks of UA can be balanced by taking adequate mitigation measures and permit UA to enter expanded airspace.


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    Title :

    Very Low-Level Airspace Assessment and Classification for Unmanned Aircraft Operation


    Contributors:
    Wu, Qinggang (author) / Zhang, Jianping (author) / Zhong, Yiqian (author) / Liu, Weidong (author) / Zou, Xiang (author) / Xie, Fangquan (author)


    Publication date :

    2021-11-01


    Size :

    426662 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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