LPV System Common State Basis Estimation from Independent Local LTI Models - Inria - Institut national de recherche en sciences et technologies du numérique Access content directly
Conference Papers Year :

LPV System Common State Basis Estimation from Independent Local LTI Models

Abstract

For the identification of a linear parameter varying (LPV) system steered by a scheduling variable evolving within a finite set, the local approach consists in separately estimating local linear time invariant (LTI) models corresponding to fixed values of the scheduling variable. It is shown in this paper that, without any global structural assumption of the considered LPV system, the local state-space LTI models do not contain the necessary information about the similarity transformations making them coherent. Nevertheless, it is possible to estimate these similarity transformations from input-output data under appropriate input excitation conditions. These estimations result in a common state basis of the transformed local LTI models, so that they form a coherent global LPV model, suitable for numerical simulations in the case of fast scheduling variable evolutions.
Fichier principal
Vignette du fichier
SYSID2015_LPV.pdf (247.14 Ko) Télécharger le fichier
Origin : Files produced by the author(s)
Loading...

Dates and versions

hal-01232190 , version 1 (23-11-2015)

Identifiers

  • HAL Id : hal-01232190 , version 1

Cite

Qinghua Zhang, Lennart Ljung. LPV System Common State Basis Estimation from Independent Local LTI Models. 17th IFAC Symposium on System Identification (SYSID), Oct 2015, Beijing, France. ⟨hal-01232190⟩
142 View
207 Download

Share

Gmail Facebook Twitter LinkedIn More