A convex characterization of dynamically-constrained anti-windup controllers

Based on a recent description of deadzone nonlinearities via local sector conditions, a new LMI characterization is proposed to compute full-order continuous-time anti-windup controllers with pole constraints. More precisely, an upper bound is introduced on the real part of the controller poles to avoid slow dynamics, which often leads to poor time-domain performance. As is demonstrated in a short applicative part, the introduction of such a bound allows us to efficiently handle the trade-off between stability domain enlargement and time-domain response relevance. (C) 2008 Elsevier Ltd. All rights reserved.