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논문 기본 정보

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(충남대학교) (제이마플) (충남대학교) (충남대학교)
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제어로봇시스템학회 제어로봇시스템학회 논문지 제어로봇시스템학회 논문지 제27권 제11호
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    초록·키워드

    This study investigates real-time path planning for UAVs (Unmanned Aerial Vehicles) to avoid obstacles in an outdoor environment in a three-dimensional space. First, we implement an algorithm to convert from Octomap to a grid map to implement a global grid map. Secondly, the ESDF (Euclidean Signed-Distance Field) algorithm is integrated into the path planning obtained through the JPS (Jump Point Search) algorithm, and the B-Spline algorithm is applied to modify the path to consider the dynamic constraint of UAVs. Finally, path planning algorithms are verified in real-time through simulation and flight testing. The simulation is based on the Gazebo environment using the open-source autopilot PX4 with the ROS. A depth camera performance is compared for an outdoor flight test to select a depth camera mounted on the drone. Moreover, the practical obstacle-avoidance performance of the proposed real-time route planning in an outdoor space is confirmed through a flight test.

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      UCI(KEPA) : I410-ECN-0101-2021-003-002142568