Extraction and interpretation of geometrical and topological properties of urban airspace for UAS operations

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With the rapid adoption of operational concepts of Unmanned Aerial Systems (UAS), a large amount of traffic is expected to flow into low-level airspace. However, this low-level airspace contains existing environment of people and surrounding structures that are sensitive to the risk posed by UAS operations. To provide necessary separation and flight planning services, UAS traffic management (UTM) system will need to first identify available airspace that vehicles can operate with an acceptable level of risk. This study attempts to claim that much of what is perceived as empty airspace may not be available for operational use and that the available airspace in highly urbanized areas has a complex geometric form. Geometrical and topological analysis of such complex airspace geometry is necessary as it can provide valuable insights for fully utilizing the finite UTM airspace. In this paper, we present topography map and skeletal graph to interpret underlying geometrical and topological features of urban airspace. Airspace topography map displays a 2D projection of the lowest navigable altitude at specified latitude and longitude, whereas airspace skeletal graph uncovers horizontal- and vertical-connectivity of its components. Both methods not only provide a compact and informative abstraction of airspace but also can be used to partition the entire airspace into different levels based on geometrical and topological properties.
Publisher
EUROCONTROL
Issue Date
2019-06-19
Language
English
Citation

13th USA/Europe Air Traffic Management Research and Development Seminar 2019, ATM 2019

URI
http://hdl.handle.net/10203/271809
Appears in Collection
CE-Conference Papers(학술회의논문)
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