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Linear output feedback with dynamic high gain for nonlinear systems. (English) Zbl 1157.93494
Summary: We propose a linear output feedback with dynamic high gain for global regulation of a class of nonlinear systems. The uncertain nonlinearities are assumed to be bounded by a polynomial function of the output multiplied by unmeasured states. The crucial point made in this paper is that a linear observer-based output feedback can globally regulate an equilibrium of strongly nonlinear systems, provided that a single high gain is appropriately tuned.

MSC:
93D15 Stabilization of systems by feedback
93C15 Control/observation systems governed by ordinary differential equations
93D25 Input-output approaches in control theory
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