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Design and stability analysis of extremum seeking feedback for general nonlinear systems

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2 Author(s)
Krstic, M. ; Dept. of Appl. Mech. & Eng. Sci., California Univ., San Diego, La Jolla, CA, USA ; Hsin-Hsiung Wang

In this paper we provide the first proof of stability of an extremum seeking feedback scheme by employing the tools of averaging and singular perturbation analysis. Our scheme is much more general that the existing extremum control results which represent the plant as a static nonlinear map possibly cascaded with a linear dynamic block-we allow the plant to be a general nonlinear dynamic system (possibly non-affine in control and open-loop unstable) whose reference-to-output equilibrium map has a maximum, and whose equilibria are locally exponentially stabilizable

Published in:

Decision and Control, 1997., Proceedings of the 36th IEEE Conference on  (Volume:2 )

Date of Conference:

10-12 Dec 1997