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Title: | Recursive parameter estimation algorithms |
Author: | Navrátil, Petr; Bobál, Vladimír |
Document type: | Conference paper (English) |
Source document: | Annals of DAAAM for 2005 & Proceedings of the 16h International DAAAM Symposium. 2005, p. 269-270 |
ISSN: | 1726-9679 (Sherpa/RoMEO, JCR) |
ISBN: | 3-901509-46-1 |
Abstract: | In adaptive control the ARX regression model is mostly utilized for description of given plant dynamics and unknown parameters are estimated by recursive least square method. Unknown disturbances and non-modeled dynamics can cause that the recursive least squares method leads to inadequate estimations. The controller based on these estimated parameters can give poor performance. This paper deals with several well-known recursive identification methods for parameter estimation of ARX, ARMAX, OE (output-error) model in order to improve the self-tuning controller performance and reliability. |
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