Share Email Print
cover

Proceedings Paper

Semi-active control of a thin piezoactuated structure
Author(s): Paolo Bisegna; Giovanni Caruso; Dionisio Del Vescovo; Sergio Galeani; Laura Menini
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

Vibration damping of a cantilever plate is achieved by using a piezoelectric element simultaneously as passive single-mode device and active broad-band actuator. Control strategies are designed on the basis of a modal model of the coupled electro- mechanical structure. This model is obtained by using a suitable finite-element formulation together with a modal analysis. A purely passive single-mode control composed of an optimally tuned external RL shunt circuit and a purely active control based on classical LQG techniques are compared to a semi-active control obtained by tuning the external shunt circuit on the second vibration mode of the structure and using a LQG controller designed on the only first-mode model.

Paper Details

Date Published: 27 April 2000
PDF: 12 pages
Proc. SPIE 3989, Smart Structures and Materials 2000: Damping and Isolation, (27 April 2000); doi: 10.1117/12.384571
Show Author Affiliations
Paolo Bisegna, Univ. degli Studi di Roma Tor Vergata (Italy)
Giovanni Caruso, Univ. degli Studi di Roma Tor Vergata (Italy)
Dionisio Del Vescovo, Univ. degli Stufi di Roma La Sapienza (Italy)
Sergio Galeani, Univ. degli Studi di Roma Tor Vergata (United States)
Laura Menini, Univ. degli Studi di Roma Tor Vergata (Italy)


Published in SPIE Proceedings Vol. 3989:
Smart Structures and Materials 2000: Damping and Isolation
T. Tupper Hyde, Editor(s)

© SPIE. Terms of Use
Back to Top