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On-line parameter estimation via algebraic method: An experimental illustration

Romain Delpoux 1, 2 Thierry Floquet 3, 1
1 NON-A - Non-Asymptotic estimation for online systems
Inria Lille - Nord Europe, CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
2 SyNeR - Systèmes Non Linéaires et à Retards
CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Abstract : This article presents an algebraic on-line parameters estimation method for Linear Time Invariant (LTI) systems subject to polynomial perturbations. Particular attention is given to practical implementation. The estimator may be expressed as simple FIR filter, which is advantageous for online application, since the coefficients may be computed offline. The robustification against possible singularities is shown and the approach has the advantage of eliminating singularities that may occur in the experimental identification. This algorithm is illustrated experimentally on a Permanent Magnet Stepper Motor (PMSM) and a magnetic bearing for which parametric estimation is known to be a difficult task. The parameters to be estimated are sometimes measurable with difficulties and may slightly vary over time.
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https://hal.inria.fr/hal-00933292
Contributor : Romain Delpoux <>
Submitted on : Tuesday, March 11, 2014 - 9:32:56 AM
Last modification on : Tuesday, September 29, 2020 - 12:24:14 PM
Long-term archiving on: : Wednesday, June 11, 2014 - 10:37:12 AM

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Romain Delpoux, Thierry Floquet. On-line parameter estimation via algebraic method: An experimental illustration. Asian Journal of Control, Asian Control Association (ACA) and Chinese Automatic Control Society (CACS) 2014. ⟨hal-00933292⟩

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