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Article Dans Une Revue Systems and Control Letters Année : 2018

Some remarks on the bias distribution analysis of discrete-time identification algorithms based on pseudo-linear regressions

Résumé

In 1998, A. Karimi and I.D. Landau published in this journal an article entitled ''Comparison of the closed-loop identication methods in terms of bias distribution''. One of its main purposes was to provide a bias distribution analysis in the frequency domain of closed-loop output error identication algorithms that had been recently developed. The expressions provided in that paper are only valid for prediction error identification methods (PEM), not for pseudo-linear regression (PLR) ones, for which we give the correct frequency domain bias analysis, both in open-and closed-loop. Although PLR was initially (and is still) considered as an approximation of PEM, we show that it gives better results at high frequencies.
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Dates et versions

hal-02367957 , version 1 (20-11-2019)

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Bernard Vau, Henri Bourlès. Some remarks on the bias distribution analysis of discrete-time identification algorithms based on pseudo-linear regressions. Systems and Control Letters, 2018, ⟨10.1016/j.sysconle.2018.07.002⟩. ⟨hal-02367957⟩
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