24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-5.1.2

EXPERIMENTAL AND THEORETICAL SYSTEM IDENTIFICATION OF FLEXIBLE STRUCTURES WITH PIEZOELECTRIC ACTUATORS

A. Yousefi-Koma, D. Zimcik, A. Mander*
Institute for Aerospace Research National Research Council Canada (NRC) Ottawa, ON, K1A 0R6; *Carleton University, Ottawa, ON, Canada

Keywords: system identification, piezoelectric, flexible structures, smart structures

A methodology to identify the dynamic model of smart structures is introduced in this paper. A Frequency Response Function (FRF) model of the dynamic system was derived from Finite Element Method (FEM) analysis, which can then be used for control design and implementation. For the particular example piezoelectric materials were used as actuators on a flexible fin. The experimental system ID was then compared and verified with the simulation ID.

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