Utilizing Nonlinear Active Vibration Control to Quench the Nonlinear Vibrations of Helicopter Blade Flapping System
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DOI: 10.1109/access.2020.3035611
Abstract: This article utilizes a nonlinear active vibration control to eliminate the helicopter blade flapping system oscillations having mixed excitation forces. The approximate solutions were calculated using the multiple scale perturbation technique. Furthermore, the stability and… read more here.
Keywords: active vibration; system; helicopter blade; blade flapping ... See more keywords
Technical Note: Estimate of Rotor Controls and Blade Flapping Caused by an Orthogonal Vortex Disturbance
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DOI: 10.4050/jahs.63.025001
Abstract: Based on blade element/momentum theory the aerodynamic impact on rotor controls and blade flapping caused by a straight line vortex penetrating orthogonally the plane of a rotor disk is solved using a realistic swirl velocity… read more here.
Keywords: controls blade; rotor controls; rotor; flapping caused ... See more keywords