Reduced-order observer design for nonlinear systems

@article{Carnevale2007ReducedorderOD,
  title={Reduced-order observer design for nonlinear systems},
  author={Daniele Carnevale and Dimitrios Karagiannis and Alessandro Astolfi},
  journal={2007 European Control Conference (ECC)},
  year={2007},
  pages={559-564}
}
The problem of constructing globally convergent, reduced-order observers for general nonlinear systems is addressed. It is shown, by means of the Immersion and Invariance (I&I) methodology, that an asymptotic estimate of the unknown states can be obtained by rendering invariant and attractive an opportune manifold in the extended state space. Current results on nonlinear observer design require that the nonlinearities appearing in the system equations are either linear functions of the… CONTINUE READING
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