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    Joint search method for UAV multiobjective path planning in urban low altitude environment

    Joint search method for UAV multiobjective path planning in urban low altitude environment

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    A joint search method for UAV multiobjective path planning in an urban low altitude environment first constructs a static safety index map based on static known obstacles. Meanwhile, based on proactively detected obstacles that are not marked on a geographic map by a UAV, the method constructs online a dynamic safety index map. Second, a multiobjective path planning problem is solved using a joint offline and online search method. Moreover, this method first plans offline the least cost path from a starting point to an end point and then invokes the online search scheme to replan online a changed path when the UAV detects unknown obstacles. Thus, the UAV can avoid dynamic obstacles effectively. The online search scheme has a small search space and can quickly replan a safe path for the UAV, thus satisfying the requirement of UAV on the real-time path planning.

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    Titel :

    Joint search method for UAV multiobjective path planning in urban low altitude environment

    Beteiligte:
    CAO XIANBIN (Autor:in) / XIAO ZHENYU (Autor:in) / YANG PENG (Autor:in) / YIN CHAO (Autor:in) / XI XING (Autor:in) / WU DAPENG (Autor:in)
    Erscheinungsdatum :

    2020-07-07

    Medientyp :

    Patent

    Format :

    Elektronische Ressource

    Sprache :

    Englisch

    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / B64C AEROPLANES , Flugzeuge

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