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    제목(국문)
    제목(영문) A Hybrid Dynamic Window Approach for Collision Avoidance of VTOL UAVs
    저자 문정호 (Jungho Moon ,Korea Advanced Institute of Science and Technology ) ▷공저자네트워크등록하기
    이병윤 (B.Y.Lee ,Korea Advanced lnstitute of Science and Technology ) ▷공저자네트워크등록하기
    탁민재 (Min-Jea Tahk ,Department of Aerospace Engineering, Korea Advanced Institute of Science and Technology ) ▷공저자네트워크등록하기
    초록
    초록(영문)

    This paper describes an obstacle collision avoidance technique that considers the dynamics of a VTOL UAV. The dynamic characteristics and controller structure of VTOL UAVs such as helicopters and tiltrotors vary greatly depending on the flight condition. This paper proposes a hybrid dynamic window approach (DWA) which combines a holonomic DWA, non-holonomic DWA and the flight dynamics of a helicopter to avoid collisions with obstacles. Based on the results of obstacle avoidance simulations, the proposed method not only quickly reaches the target point along the optimal path in various obstacle environments but also is superior to the existing DWA without falling into the local minima by expanding the search space from two dimensions to three dimensions.

    keyword Collision avoidance Dynamic window approach VTOL UAV Motion planning
    저널명 International Journal of Aeronational and Space Sciences ▷관련저널보기
    VOL 19
    PAGE 0904
    발표년도 2018
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