Identification of a tapped lattice representation of a linear system

C. R. Johnson*, B. D.O. Anderson

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

This paper provides a formulation of a tractable error system of an adaptive algorithm for output error identification of the parameters of a tapped lattice model of a linear, infinite-impulse-response (IIR) plant. This algorithm is an attractive solution to the underlying output error problem due to (i) the simplicity of its crucial stability check and maintenance procedure for the adapted IIR parameterization and (ii) the numerical insensitivity properties of the lattice structure. Our error system reformulation allows proof of this adaptive tapped lattice identifier's local convergence and robustness with the use of nonlinear stability theory that has been fashioned elsewhere for analysis of other adaptive systems. Reproducible simulation evidence is presented that supports such results.

Original languageEnglish
Pages (from-to)315-320
Number of pages6
JournalIFAC Proceedings Series
Volume1
Issue number8
Publication statusPublished - 1989
Externally publishedYes
EventEighth IFAC/IFORS Symposium on Identification and System Parameter Estimation 1988. Part 1 - Beijing, China
Duration: 27 Aug 198831 Aug 1988

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