Robust practical output tracking by dynamic output feedback for uncertain non-linear systems with unstabilisable and undetectable linearisation
by Keylan Alimhan, Hiroshi Inaba
International Journal of Modelling, Identification and Control (IJMIC), Vol. 5, No. 1, 2008

Abstract: This paper studies the global robust practical output tracking problem using a dynamic output feedback controller (i.e., an output compensator) for a family of uncertain non-linear systems whose Jacobian linearisation may be unstabilisable and/or undetectable. It is shown that under some mild conditions on a given system, there is an output compensator achieving global robust practical output tracking and such a compensator is explicitly constructed by the 'coupled controller-observer method' recently proposed. The usefulness of our result is illustrated by some simple numerical examples.

Online publication date: Wed, 03-Dec-2008

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