The invention provides a rotor wing T-head bearing type selection method and device for an unmanned helicopter, and the method comprises the steps: selecting a plurality of groups of different designvariables, and determining a target design variable according to the hovering needed power of the unmanned helicopter; calculating control parameters and flapping parameters of the unmanned helicopter; according to the control parameters and the flapping parameters, calculating stress parameters of the unmanned helicopter; according to the target design variable, the control parameter, the flapping parameter and the stress parameter, calculating the blade centrifugal force and the blade root maximum bending moment of a blade disc on the unmanned helicopter in different directions; and according to the blade centrifugal force and the blade root maximum bending moment, performing model selection on a rotor wing T-head bearing of the unmanned helicopter. According to the method, aerodynamic calculation is carried out on the rotor wing of the unmanned helicopter, so that the design variable of the unmanned helicopter can be conveniently selected, the design time is further shortened, and the type of the T-head bearing of the rotor wing of the unmanned helicopter is conveniently and quickly selected.
本发明提供了一种无人直升机的旋翼T头轴承选型方法及装置,通过选取多组不同的设计变量,依据无人直升机的悬停需用功率,确定目标设计变量;计算所述无人直升机的操纵参数和挥舞参数;依据所述操纵参数和所述挥舞参数,计算所述无人直升机的受力参数;依据所述目标设计变量、所述操纵参数、所述挥舞参数和所述受力参数,计算所述无人直升机上桨盘不同方位上的桨叶离心力和桨叶根部最大弯矩;依据所述桨叶离心力和所述桨叶根部最大弯矩,对所述无人直升机的旋翼T头轴承进行选型。其通过对无人直升机旋翼进行气动计算,可以很方便的选取无人直升机的设计变量,进而减少设计时间,实现了方便快捷的对无人直升机旋翼T头轴承进行选型。
Rotor wing T-head bearing type selection method and device of unmanned helicopter
一种无人直升机的旋翼T头轴承选型方法及装置
2020-06-02
Patent
Electronic Resource
Chinese
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |
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