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Vibration Suppression of Wind Turbine Blades Using Tuned Mass Dampers

[+] Author Affiliations
Takashi Ikeda, Yuji Harata, Yusuke Sasagawa

Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan

Yukio Ishida

Nagoya University, Nagoya, Aichi, Japan

Paper No. DETC2014-34336, pp. V006T10A067; 8 pages
doi:10.1115/DETC2014-34336
From:
  • ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 6: 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control
  • Buffalo, New York, USA, August 17–20, 2014
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4639-1
  • Copyright © 2014 by ASME

abstract

Passive control of flapwise vibrations of a wind turbine blade is investigated when a single tuned mass damper (TMD) is attached to the blade. The blade is subjected to a wind pressure which changes linearly with height from the ground level due to the wind shear. The vibrations of the wind turbine blade are theoretically and numerically analyzed to determine the natural frequency diagrams, frequency responses, stationary time histories and their FFT results. It is found that several peaks appear near the specific rotational speeds in the response curves for the blade because of both the wind pressure and the parametric excitation terms. It is also demonstrated that the optimal single TMD can suppress the resonance peaks if the fixed point theorem is used to determine the optimal values of the parameters of the TMD. The influences of the mass and install position of the TMD on its performance are also examined.

Copyright © 2014 by ASME

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