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Vibration Suppression in Carbon Fiber Structures With Piezoelectric Actuators and Fiber Bragg Grating Sensors

[+] Author Affiliations
Gabriele Cazzulani, Simone Cinquemani, Lorenzo Comolli, Andrea Gardella

Politecnico di Milano, Milano, Italy

Paper No. ESDA2012-82468, pp. 371-376; 6 pages
doi:10.1115/ESDA2012-82468
From:
  • ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 2: Applied Fluid Mechanics; Electromechanical Systems and Mechatronics; Advanced Energy Systems; Thermal Engineering; Human Factors and Cognitive Engineering
  • Nantes, France, July 2–4, 2012
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4485-4
  • Copyright © 2012 by ASME

abstract

Carbon fiber structures have become widespread in civil and mechanical field since they are claimed to offer several advantages such as contained mass and high stiffness. However, these structures are characterized by a very low mechanical damping and, therefore, they are easily subjected to potentially dangerous vibratory phenomenon. Active control techniques have been widely developed to suppress vibration and great progresses have been achieved. On the other hand the research on sensors and actuators to be used is still a research field of interest. The paper discusses the opportunity to use piezoelectric actuators (PZT) and Fiber Bragg Grating sensors (FBGs) to realize a smart structure including in itself both the sensing and the actuating devices. Such a structure is able to measure its state of excitation and to reduce the amplitude of vibration using the embedded actuators.

Copyright © 2012 by ASME

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