Vibration control experiments using piezoelectric transducers on a wind turbine blade

Jeffery D. Tippmann; Francesco Lanza di Scalea

doi:10.1117/12.2009534

19 April 2013 Vibration control experiments using piezoelectric transducers on a wind turbine blade

Jeffery D. Tippmann, Francesco Lanza di Scalea

Proceedings Volume 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013; 86921H (2013) https://doi.org/10.1117/12.2009534
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

Vibration control on a CX-100 wind turbine blade using piezoelectric transducers and periodic structures is investigated through experimental tests. Local phase velocity dispersion curves are extracted using measurements from impulse tests on the blade skin. The Macro Fiber Composite (MFC) transducer is used in the experimental tests because of its advantages for integrating with composite structures. The transducers are connected to a passive resonant shunt circuit to attenuate vibrations at a tuned frequency. The theory of periodic structures and ultrasonic wave theory is considered with regard to the placement of the transducers on the structure. The resonant shunt circuit combined with the periodic placement shows a reduction in response at the targeted frequency.

Citation Download Citation

Jeffery D. Tippmann and Francesco Lanza di Scalea "Vibration control experiments using piezoelectric transducers on a wind turbine blade", Proc. SPIE 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, 86921H (19 April 2013); https://doi.org/10.1117/12.2009534

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