Orthogonal least squares algorithm for the approximation of a map and its derivatives with a RBF network (Articolo in rivista)

Type
Label
  • Orthogonal least squares algorithm for the approximation of a map and its derivatives with a RBF network (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Drioli, C., Rocchesso, D. (2003)
    Orthogonal least squares algorithm for the approximation of a map and its derivatives with a RBF network
    in Signal processing (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Drioli, C., Rocchesso, D. (literal)
Pagina inizio
  • 283 (literal)
Pagina fine
  • 296 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 83(2) (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Orthogonal least squares algorithm for the approximation of a map and its derivatives with a RBF network (literal)
Abstract
  • Radial Basis Function Networks (RBFNs) are used primarily to solve curve-fitting problems and for non-linear system modeling. Several algorithms are known for the approximation of a non-linear curve from a sparse data set by means of RBFNs. Regularization techniques allow to define constraints on the smoothness of the curve, by using the gradient of the function in the training. However, procedures that permit to arbitrarily set the value of the derivatives for the data are rarely found in the literature. In this paper, the Orthogonal Least Squares (OLS) algorithm for the identification of RBFNs is modified to provide the approximation of a non-linear single-input single-output map along with its derivatives, given a set of training data. The interest on the derivatives of non-linear functions concerns many identification and control tasks where the study of system stability and robustness is addressed. (literal)
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