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    • 1. 发明申请
    • Method for damping rear extension arm vibrations of rotorcrafts and rotorcraft with a rear extension arm vibration damping device
    • 用于减轻旋翼航空器和旋翼航空器的后延伸臂振动的方法,其具有后延伸臂减振装置
    • US20070001052A1
    • 2007-01-04
    • US10543389
    • 2003-12-13
    • Henning StrehlowHeiner RottmayrJohannes DuerrHelmut Zaglauer
    • Henning StrehlowHeiner RottmayrJohannes DuerrHelmut Zaglauer
    • B64C9/00
    • B64C27/001B64C2027/8254B64C2220/00F16F15/02
    • A method for damping vibrations in a tail boom of a rotary-wing aircraft includes the steps of detecting tail boom vibrations induced by external vibration excitation, and generating and introducing strains into the tail boom based on the detected tail boom vibrations. The strains are applied over a surface area and are out-of-phase with respect to the detected tail boom vibrations so as to damp the externally excited induced tail boom vibrations. In addition, a rotary-wing aircraft, includes a fuselage, a cockpit area integrated into the fuselage, a tail boom arranged on the fuselage and a tail boom vibration-damping device. The vibration-damping device has at least one sensor element configured to detect tail boom vibrations induced by external vibration excitation and at least one actuator configured to generate and introduce strains into the tail boom that are out-of-phase with respect to the induced tail boom vibrations, the actuator being functionally coupled to the sensor element, engaging with a tail boom structure at one side of the tail boom, and forming a flat-surfaced bond with the tail boom.
    • 一种用于减轻旋转翼飞行器的尾臂中的振动的方法包括以下步骤:检测由外部振动激励引起的尾臂振动,以及基于检测到的尾臂振动产生并将应变引入尾梁。 该应变被施加在表面区域上并且相对于检测到的尾臂振动是异相的,以便抑制外部激励的诱导尾臂振动。 此外,旋翼飞机包括机身,集成在机身中的驾驶舱区域,设置在机身上的尾臂和尾臂减振装置。 所述减振装置具有至少一个传感器元件,其被配置为检测由外部振动激励引起的尾臂振动,以及至少一个致动器,所述至少一个致动器构造成产生并引入相对于诱导尾部异相的尾部吊杆 动臂振动,致动器在功能上耦合到传感器元件,与尾臂一侧的尾臂结构接合,并与尾臂形成平坦表面的结合。