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On robust Kalman filter for two-dimensional uncertain linear discrete time-varying systems: A least squares method

  • Autores: Dong Zhao Yang, S.X. Ding, Hamid Reza Karimi, Yuyang Liu, Yuqing Wang
  • Localización: Automatica: A journal of IFAC the International Federation of Automatic Control, ISSN 0005-1098, Nº. 99, 2019, págs. 203-212
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • The robust Kalman filter design problem for two-dimensional uncertain linear discrete time-varying systems with stochastic noises is investigated in this study. First, we prove that the solution to a certain deterministic regularized least squares problem constrained by the nominal two-dimensional system model is equivalent to the generalized two-dimensional Kalman filter. Then, based on this relationship, the robust state estimation problem for two-dimensional uncertain systems with stochastic noises is interpreted as a deterministic robust regularized least squares problem subject to two-dimensional dynamic constraint. Finally, by solving the robust regularized least squares problem and using a simple approximation, a recursive robust two-dimensional Kalman filter is determined. A heat transfer process serves as an example to show the properties and efficacy of the proposed filter.


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