antiwindup; magnitude, rate and curvature saturation; linear systems
Abstract :
[en] We address the anti-windup augmentation problem for plants with saturations on the magnitude, rate and curvature of the control input. To this aim, given an unconstrained closed-loop, we generate a slightly modified strictly proper controller for which the derivatives of the control signal are available and we solve the anti-windup problem for this modified control scheme (namely, an almost anti-windup for the original closed-loop). Based on this “almost” approach, we revisit an existing Model Recovery anti-windup solution for rate and magnitude saturated plants and then we extend the results to the case of rate, magnitude and curvature saturation, by providing a Model Recovery solution to this additional problem. An example illustrates the peculiarities and the effectiveness of the proposed solutions.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Forni, Fulvio ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Galeani, Sergio; University of Rome, Tor Vergata > Dipartimento di Informatica, Sistemi e Produzione
Zaccarian, uca; University of Rome, Tor Vergata > Dipartimento di Informatica, Sistemi e Produzione
Language :
English
Title :
An almost Anti-Windup scheme for plants with magnitude, rate and curvature saturation
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