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Adaptive hinging hyperplanes and its applications in dynamic system identification

  • Jun Xu*
  • , Xiaolin Huang
  • , Shuning Wang
  • *Corresponding author for this work
  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

Abstract

The model of adaptive hinging hyperplanes (AHH) is proposed in this paper. It is based on multivariate adaptive regression splines (MARS) and generalized hinging hyperplanes (GHH) and shares attractive properties of the two. By making a modification to the basis function of MARS, AHH shows linear property in each subregion. The AHH model is actually a special case of the GHH model, which has a universal representation capability for continuous piecewise linear functions. The approximation ability of the AHH model is proved. The AHH algorithm is developed similar to the MARS algorithm. It is adaptive and can be executed efficiently, hence has power and flexibility to model unknown relationships. The AHH procedure is applied to identifying two dynamic systems and its potential is illustrated.

Original languageEnglish
Pages (from-to)2325-2332
Number of pages8
JournalAutomatica
Volume45
Issue number10
DOIs
StatePublished - Oct 2009
Externally publishedYes

Keywords

  • Adaptive regression
  • Identification methods
  • Piecewise-linear
  • System model validation

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