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Protected Online Path Planning for UAVs over Congested Areas Within Convex Regions of Obstacle-Free Space

We present an approach for protected contingency online planning in high-risk environments with strict regulatory boundary conditions. For this purpose, we integrate a deterministic online planning method into a UAM path planning framework, which operates within precomputed convex regions of obstacl...

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Bibliographic Details
Main Authors: Ortlieb, Markus, Adolf, Florian-Michael, Holzapfel, Florian
Format: Conference Proceeding
Language:English
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Summary:We present an approach for protected contingency online planning in high-risk environments with strict regulatory boundary conditions. For this purpose, we integrate a deterministic online planning method into a UAM path planning framework, which operates within precomputed convex regions of obstacle-free space. As part of an offline planning phase, a database of trajectories and convex, obstacle-free regions along these trajectories are computed. During the online phase, transitions between any two preplanned trajectories inside the same region can be computed using a planning method with performance-guaranteed maneuvres. Within a given envelope of environmental disturbances, our method guarantees to contain the flight path inside its convex region, while ensuring deterministic attributes. We demonstrate the method in a scenario representing the intended application and give estimations for offline computation time on desktop-grade hardware.
ISSN:2155-7209
DOI:10.1109/DASC52595.2021.9594420