Cylindrical Shells with Piezoelectric Shear Actuators

  • H. Y. Li
  • Y. W. Yang
Chapter
Part of the Advanced Topics in Science and Technology in China book series (ATSTC)

Abstract

Due to the advantage of having properties such as rapid response, high resolution, low power consumption and large bandwidth, piezoelectric materials have in recent years been employed as actuators and sensors in many structures for noise reduction, vibration control, shape control and health monitoring. In the applications of piezoelectric actuators, the electromechanical interactions between them and their host structures must be fully understood. Generally, the piezoelectric actuators bonded to the surface of an adaptive structure are thin elements which have been poled in the thickness direction. When an electric field is applied in the thickness direction of a piezoelectric actuator, longitudinal strains are induced in the actuator, forcing the host structure to deform. Such actuation mechanism of piezoelectric actuators is known as extensional actuation. So far, the majority of research work on the applications of piezoelectric actuators in smart structures is based on such extensional mechanism (Rao and Sunar, 1999).

Keywords

Cylindrical Shell Thickness Ratio Piezoelectric Actuator Feedback Gain Piezoelectric Layer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Zhejiang University Press, Hangzhou and Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • H. Y. Li
    • 1
  • Y. W. Yang
  1. 1.Department of Engineering MechanicsShanghai Jiao Tong UniversityShanghaiP.R. China

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