Design of a nonlinear finite-time converging observer for a class of nonlinear systems

Sauvage, Frédéric;Guay, Martin;Dochain, Denis
(2007) Journal of Control Science and Engineering — p. paper 36954 (2007)

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Authors
  • Sauvage, FrédéricUCLouvain
    Author
  • Guay, MartinQueen's University
    Author
  • Dochain, DenisUCLouvain
    Author
Abstract
This paper proposes a nonlinear finite-time converging observer for a class of nonlinear systems. The estimate is recovered from the present and delayed estimates provided by two independent dynamical systems converging to a function of the state with linear error dynamics. The estimation is carried out using only the Jacobian matrix of both transformations determined by solving two systems of partial derivative equations. The results are illustrated on a bioreactor model.
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Sauvage, F., Guay, M., & Dochain, D. (2007). Design of a nonlinear finite-time converging observer for a class of nonlinear systems. Journal of Control Science and Engineering, paper 36954. https://doi.org/10.1155/2007/36954 (Original work published 2007)