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Resonant terms and bifurcations of nonlinear control systems with one uncontrollable mode

✍ Scribed by Boumediene Hamzi; Wei Kang


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
235 KB
Volume
49
Category
Article
ISSN
0167-6911

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✦ Synopsis


In this paper we provide a simple algorithm of feedback design for systems with uncontrollable linearization with only quadratic degeneracy, such as transcritical and saddle-node bifurcations. This approach avoids the computation of nonlinear normal forms. It is based only on quadratic invariants which can be determined directly from the quadratic terms in the uncontrollable dynamics.


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## Abstract The control of uncertain nonlinear systems by output feedback is addressed. A model‐reference tracking sliding mode controller is designed for uncertain plants with arbitrary relative degree. Nonlinearities of a given class are incorporated as state dependent and possibly unmatched dist