A frequency-domain iterative identification algorithm using general orthonormal basis functions

Authors:
HüSeyin AkçAy;Peter Heuberger
Affiliations:
Department of Electrical and Electronics Engineering, Anadolu University, 26470 Eskişehir, Turkey;Department of Applied Physics, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, Netherlands
Venue:
Automatica (Journal of IFAC)
Year:
2001

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Abstract

In this paper, a two-step frequency-domain identification algorithm is proposed, in which the identified model is parameterized in terms of general orthonormal basis functions. Furthermore an update scheme is presented, where the poles of the basis functions are adjusted iteratively and the convergence properties of this scheme with respect to unknown-but-bounded noise are studied. The algorithm is applied to experimental frequency response data obtained from a compact disk player.