Guaranteed frequency-domain identification of fractional order systems: application to a real system
by Messaoud Amairi; Mohamed Aoun; Slaheddine Najar; Mohamed Naceur Abdelkrim
International Journal of Modelling, Identification and Control (IJMIC), Vol. 17, No. 1, 2012

Abstract: This paper presents a new guaranteed approach for frequency-domain identification of fractional order systems. Estimated parameters (coefficients and differential orders) are expressed as intervals. Then, an interval-based global optimisation algorithm is used to estimate the set of all feasible parameters. It combines the Hansen's algorithm with forward-backward contractor. The approach is applied to a numerical example as well as to a real electronic system.

Online publication date: Wed, 17-Dec-2014

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