The invention discloses a rotor variable pitch rocker arm size optimization method and an unmanned helicopter using the rotor variable pitch rocker arm size optimization method, and the method is used for a helicopter with a foldable rotor, and comprises the steps: 1, obtaining the flapping frequency, the Rock number and the time constant of the rotor based on the flapping hinge extension e of the helicopter; step 2, acquiring a taper angle, a rear chamfer angle and a side chamfer angle of the rotor wing based on the waving frequency, the Rock number, the time constant, the transverse control input variable torque angle and the longitudinal control input variable torque angle; 3, based on the taper angle, the rear chamfer and the side chamfer, the pitching control moment and the rolling control moment of the rotor wing are obtained; 4, based on the pitching control moment or the rolling control moment, the longitudinal periodic variable pitch value and the transverse periodic variable pitch value of the rotor wing are obtained; and 5, reversely obtaining phase angles of the variable-pitch rocker arm through the longitudinal periodic variable-pitch value and the transverse periodic variable-pitch value so as to obtain pitching control torques or rolling control torques corresponding to different phase angles of the variable-pitch rocker arm.
本发明公开了旋翼变距摇臂尺寸优化方法及使用其的无人直升机,用于旋翼可折叠的直升机,包括:步骤1,基于直升机的挥舞铰外伸量e,获取旋翼的挥舞频率、洛克数、时间常数;步骤2,基于挥舞频率、洛克数、时间常数、横向操纵输入变矩角和纵向操纵输入变矩角,获取旋翼的锥度角、后倒角和侧倒角;步骤3,基于锥度角、后倒角和侧倒角,获取旋翼的俯仰控制力矩和滚转控制力矩;步骤4,基于俯仰控制力矩或滚转控制力矩,获取旋翼的纵向周期变距值和横向周期变距值;步骤5,通过纵向周期变距值和横向周期变距值反向获取变矩摇臂的相位角,以得到变距摇臂的不同相位角对应的俯仰控制力矩或滚转控制力矩。
Rotor wing variable pitch rocker arm size optimization method and unmanned helicopter using rotor wing variable pitch rocker arm size optimization method
旋翼变距摇臂尺寸优化方法及使用其的无人直升机
2022-03-22
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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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