Optimizing the performance of piezoelectric actuators for active vibration control

Author

Kermani, M.R. ; Moallem, M. ; Patel, R.V.

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of Western Ontario, London, Ont., Canada

Volume

3

fYear

2002

fDate

2002

Firstpage

2375

Lastpage

2380

Abstract

This paper discusses the selection process for piezoelectric transducers (PZT) used as actuator elements for suppressing vibrations in a flexible beam system. The effects of changing physical parameters such as the relative thickness of the piezoelectric ceramic with respect to the beam, the optimum location of the PZT actuator, and the length of the PZT are studied based on the singular value decomposition of the controllability Grammian of the resulting system. A model for a clamped-mass cantilevered beam is developed and its frequency response is compared with that obtained experimentally. Simulation results are given to illustrate how this method can be used to determine physical properties and location of the PZT actuator. Further experimental studies are currently being performed

Keywords

controllability; optimal control; piezoelectric actuators; singular value decomposition; vibration control; PZT actuator; active vibration control; actuator elements; clamped-mass cantilevered beam; controllability Grammian; flexible beam system; frequency response; performance optimization; piezoelectric actuators; piezoelectric transducers; singular value decomposition; vibration suppression; Ceramics; Controllability; Equations; Flexible structures; Payloads; Piezoelectric actuators; Piezoelectric transducers; Shape; Structural beams; Vibration control;

fLanguage

English

Publisher

ieee

Conference_Titel

Robotics and Automation, 2002. Proceedings. ICRA '02. IEEE International Conference on

Conference_Location

Washington, DC

Print_ISBN

0-7803-7272-7

Type

conf

DOI

10.1109/ROBOT.2002.1013587

Filename

1013587