Active Vibration Suppression of an elastic piezoelectric sensor and actuator fitted cantilevered beam configurations as a generic smart composite structure

Active Vibration Suppression of Smart Structures Using Piezoelectric Shear Actuators

Active Vibration Suppression of a Smart Beam via PID Control

In this study, a PID controller was designed for the active vibration suppression of a smart beam equipped with PZT (Lead-Zirconate-Titanate) patches. The smart beam is a cantilever aluminium beam having eight symmetrically located surface-bonded piezoelectric patches. In this particular application, a group of PZT patches closed to the root of the beam was used as actuators and from the remain...

Robust Controller for the Vibration Suppression of an Active Piezoelectric Beam

Design and control of smart structures, which can perform optimally despite different environmental influences represents an important research challenge. Very often the optimality performance is influenced by the lack of robustness of mechanical systems due to unmodeled dynamics and external influences. In this paper we tackle the problem of a robust controller design for the vibration suppres...

Decentralized harmonic active vibration control of a flexible plate using piezoelectric actuator-sensor pairs.

We have investigated decentralized active control of periodic panel vibration using multiple pairs combining PZT actuators and PVDF sensors distributed on the panel. By contrast with centralized MIMO controllers used to actively control the vibrations or the sound radiation of extended structures, decentralized control using independent local control loops only requires identification of the di...

Active Vibration Damping of a Smart Flexible Structure Using Piezoelectric Transducers: H∞ Design and Experimental Results

This paper deals with active vibration control of a plate like smart flexible structure. This plate is equipped with several thin piezoelectric patches. Some of them are used as sensors and the others as actuators. They are optimally positioned and not collocated. The main goal of control is to reduce the most energetic vibrating modes. By using a state-space representation of a MIMO model of t...