The invention provides an excitation device and method for an aircraft flutter test flight, the excitation device comprises a pneumatic device and a support device, the pneumatic device comprises a slotted inner roller and an outer fixing cylinder, and the outer fixing cylinder sleeves the outer side of the slotted inner roller; the support device comprises a fixing support, an inner roller driving motor is fixedly installed on the fixing support, and an output shaft of the inner roller driving motor is fixedly connected with the slotting inner roller. Flutter excitation is generated by using aerodynamic force, the amplitude frequency of the excitation force is adjustable, the problem of cross-linking with a flight control system is avoided, and the associated pneumatic servo elastic influence in the flutter excitation effect is eliminated. Meanwhile, the device has the remarkable advantages of high universality and the like, and has the characteristics of high precision, small structure, easiness in modification, simplicity in operation, quick response, high efficiency and the like.
本发明提供了一种飞机颤振试飞的激励装置和方法,包括气动装置和支架装置,所述气动装置包括开槽内滚筒和外固定筒,所述外固定筒套设在所述开槽内滚筒的外侧;所述支架装置包括固定支架,所述固定支架上固定安装有内筒驱动电机,所述内筒驱动电机的输出轴与所述开槽内滚筒固定连接。本发明利用气动力产生颤振激励,激励力幅值频率可调,避免了与飞控系统交联问题,排除了颤振激励效果中连带的气动伺服弹性影响。同时具备较强通用性等显著优势,具有高精度、结构小、改装易、操纵简单、反应快速、效率高等特点。
Excitation device and method for flutter test flight of aircraft
一种飞机颤振试飞的激励装置和方法
2023-03-21
Patent
Electronic Resource
Chinese
IPC: | G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / 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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