Non-linear estimation is easy Online publication date: Thu, 30-Oct-2008
by Michel Fliess, Cedric Join, Hebertt Sira-Ramirez
International Journal of Modelling, Identification and Control (IJMIC), Vol. 4, No. 1, 2008
Abstract: Non-linear state estimation and some related topics like parametric estimation, fault diagnosis and perturbation attenuation are tackled here via a new methodology in numerical differentiation. The corresponding basic system theoretic definitions and properties are presented within the framework of differential algebra, which permits to handle system variables and their derivatives of any order. Several academic examples and their computer simulations, with online estimations, illustrate our viewpoint.
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