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Proceedings Paper

Experiments on the linearization of a piezoelectric strut
Author(s): Chin-Chung Won; Jeff L. Sulla
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Paper Abstract

A piezoelectric strut exhibits hysteresis and creep due to the piezoelectric coefficient. These nonlinearities annoy a control engineer who uses the piezoelectric strut as a control actuator. Intensive experiments were performed by the authors to derive a linear model for the piezoelectric strut/power amplifier system. A servo-loop was designed to eliminate the nonlinearities. Experimental results of the open-loop and closed-loop systems are presented in this paper to validate the analytical model and control design.

Paper Details

Date Published: 1 May 1994
PDF: 8 pages
Proc. SPIE 2192, Smart Structures and Materials 1994: Mathematics and Control in Smart Structures, (1 May 1994); doi: 10.1117/12.174208
Show Author Affiliations
Chin-Chung Won, Lockheed Engineering & Sciences Co. (United States)
Jeff L. Sulla, Lockheed Engineering & Sciences Co. (United States)


Published in SPIE Proceedings Vol. 2192:
Smart Structures and Materials 1994: Mathematics and Control in Smart Structures
H. Thomas Banks, Editor(s)

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