VIBRATION REDUCTION SYSTEM OF RIGID COAXIAL ROTORS USING MULTIPLE INDIVIDUAL BLADE PITCH CONTROL INPUTS, AND METHOD

摘要

The present invention relates to a method for reducing vibration of a rigid coaxial inverting rotor using a multiple harmonic input IBC, in a coaxial inverting rotor system, performing a rigid blade pitch motion using a pitch link actuator including an IBC actuator, multiple harmonics Applying a control input in the form of a function to the pitch link actuator, performing a pitch motion of even the rigidity of the rigid blade, changing the angle of attack of the blade through the pitch motion of the even height, and based on the changed angle of attack It is a method for reducing vibration of a rigid coaxial inverting rotor using a multiple harmonic input IBC, comprising changing the air force acting on the rigid blade.