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http://dx.doi.org/10.5139/JKSAS.2007.35.6.509

Vibration Control of Composite Wing-Rotor System of Tiltrotor Aircraft  

Song, Oh-Seop (충남대학교 기계.기계설계.메카트로닉스공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.35, no.6, 2007 , pp. 509-516 More about this Journal
Abstract
Mathematical modeling and vibration control of a tiltrotor aircraft composite wing-rotor system are investigated in this study. A wing-mounted rotor can be tilted from the vertical position to a horizontal one, and vice versa. Effect of vibration control of the wing-rotor system via piezoelectricity is studied as a function of tilt angle, ply angle of composite wing and rotor's spin speed. Composite wing is modeled as a thin-walled box beam having a circumferentially uniform stiffness configuration that produces elastic coupling between flap-lag and between extension-twist behavior. Numerical simulations are provided and pertinent conclusions are outlined.
Keywords
Piezoelectric Control; Tiltrotor Aircraft; Composite Wing; Thin-walled Beams; Free Vibration;
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