The invention relates to a double-layer synchronous variable-pitch coaxial rotor wing unmanned aerial vehicle and a control method thereof. The unmanned aerial vehicle comprises a main shaft, an upperrotor wing assembly, a lower rotor wing assembly and a variable-pitch assembly, wherein the upper rotor wing assembly, the lower rotor wing assembly and the variable-pitch assembly are connected withthe main shaft, the upper rotor wing assembly comprises an upper rotor wing variable-pitch structure and an upper rotor wing connecting piece, the upper rotor wing variable-pitch structure is connected with the upper rotor wing connecting piece, the lower rotor wing assembly comprises a lower rotor wing variable-pitch structure and a lower rotor wing connecting piece, the lower rotor wing variable-pitch structure is connected with the lower rotor wing connecting piece, the variable-pitch assembly comprises a power source set, a synchronous structure and a push rod, the power source set is connected with a push rod, the push rod is connected with the upper rotor wing variable-pitch structure, and the upper rotor wing variable-pitch structure is connected with the lower rotor wing variable-pitch structure through a synchronous structure. The unmanned aerial vehicle is advantaged in that double-layer pitch changing is achieved, independent steering engine control is not needed, the number of steering engines is reduced, the design weight of the fuselage can be reduced, and flight efficiency and the wind resistance effect are improved.

    本发明涉及双层同步变距共轴旋翼无人机及其控制方法,该无人机包括主轴、上旋翼组件、下旋翼组件以及变距组件,上旋翼组件、下旋翼组件以及变距组件分别连接于主轴上;上旋翼组件包括上旋翼变距结构以及上旋翼连接件,上旋翼变距结构与上旋翼连接件连接;下旋翼组件包括下旋翼变距结构以及下旋翼连接件,下旋翼变距结构与下旋翼连接件连接;变距组件包括动力源组、同步结构以及推杆,动力源组与推杆连接,推杆与上旋翼变距结构连接,上旋翼变距结构与下旋翼变距结构之间通过同步结构连接。本发明实现双层变距无需单独采用舵机控制,减少舵机数量,可减轻机身设计重量,提高飞行效率和抗风效果。


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    Title :

    Double-layer synchronous variable-pitch coaxial rotor unmanned aerial vehicle and control method thereof


    Additional title:

    双层同步变距共轴旋翼无人机及其控制方法


    Contributors:
    WANG QIUYANG (author) / MAO FANGHAI (author) / YANG XUEWU (author) / SUN GUIXIANG (author) / SUN YONGLAO (author) / GAO DASHUAI (author)

    Publication date :

    2020-07-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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