24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-8.11.3

DATA-BASED NONLINEAR AEROELASTIC MODELING

D. H. Baldelli, R. Lind* , M. Brenner**
ZONA Technology, Inc.; *University of Florida; **NASA Dryden Flight Research Center, USA

Keywords: flight-test data, AE/ASE models, block-oriented models, LCO, flutter

This paper presents an approach for the characterization of the nonlinear dynamics by non-iterative identification algorithms. Two different block-oriented nonlinear models are considered in this work to augment existing linear models with nonlinear operators derived by analyzing flight data.

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