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Recursive simultaneous state and parameter estimation by a robust filtering method and orthogonal polynomials

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2 Author(s)
A. Halme ; University of Oulu, Oulu, Finland ; J. Selkainaho

A method and algorithms are described which are practically attractive when performing simultaneous state and parameter estimation. The method is based on the use of a non-linear filter and the idea that the state and parameter estimates are properly phased to get good convergence conditions. The algorithms are given in the case where the system non-linearities are approximated by a polynomial, preferably orthogonal expansion. The method itself, however, does not assume such specification and can be applied to the case of given non-linearities as well.

Published in:

Decision and Control including the Symposium on Adaptive Processes, 1981 20th IEEE Conference on

Date of Conference:

16-18 Dec. 1981