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Proceedings Paper

Active vibration control of a compliant structure using a magnetostrictive actuator
Author(s): Rick L. Zrostlik; Alison B. Flatau; Ralph C. Smith
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Paper Abstract

This paper presents work in progress concerning the development of a controller for active vibration control of a compliant structure using a magnetostrictive actuator. The paper describes the approach used to develop a model of the plant that includes both the actuator and cantilever beam considered for controller design. The active vibration control capabilities of a magnetostrictive actuator attached to a damped structure are considered. A linear model is assumed and adaptive filtering is used to identify actuator parameters. In addition, a Galerkin method is used to discretize the weak model of the compliant beam, which includes the influence of the attached magnetostrictive actuator. Special attention is paid to the interaction of the actuator and beam during the system identification efforts. An estimation of the model parameters is made through minimization of the beam's free end acceleration cost function. Finally, discussion of the initial observer and controller design effort is included.

Paper Details

Date Published: 9 June 1999
PDF: 11 pages
Proc. SPIE 3668, Smart Structures and Materials 1999: Smart Structures and Integrated Systems, (9 June 1999); doi: 10.1117/12.350717
Show Author Affiliations
Rick L. Zrostlik, Iowa State Univ. (United States)
Alison B. Flatau, Iowa State Univ. (United States)
Ralph C. Smith, North Carolina State Univ. (United States)


Published in SPIE Proceedings Vol. 3668:
Smart Structures and Materials 1999: Smart Structures and Integrated Systems
Norman M. Wereley, Editor(s)

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