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Adaptive and robust controls of uncertain systems with nonlinear parameterization | IEEE Conference Publication | IEEE Xplore

Adaptive and robust controls of uncertain systems with nonlinear parameterization


Abstract:

Two classes of partially-known systems are considered in the paper, both of them have a fractional parameterization of the unknowns. The first class consists of nonlinear...Show More

Abstract:

Two classes of partially-known systems are considered in the paper, both of them have a fractional parameterization of the unknowns. The first class consists of nonlinear systems whose uncertainties are bounded by a function of fractional parameterization, and the second class compromises those systems whose unknown dynamics can directly but nonlinearly be parameterized. It is shown that adaptive robust control can be extended to accommodate nonlinearly parameterized bounding functions and that, with the aid of a robust auxiliary system, new adaptation laws and a simple adaptive control can be designed for the unknowns in the fractional parameterization. Practical stability is shown: global for adaptive robust control and semi-global for the new adaptive control.
Date of Conference: 08-10 May 2002
Date Added to IEEE Xplore: 07 November 2002
Print ISBN:0-7803-7298-0
Print ISSN: 0743-1619
Conference Location: Anchorage, AK, USA

References

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