International Federation of Automatic Control
3rd IFAC SYMPOSIUM on SYSTEM, STRUCTURE and CONTROL

Foz do Iguassu, Brazil October 17th - 19th, 2007

Friday Afternoon

Session FA1: Constrained Control


Chair: João Manoel Gomes da Silva Jr. - Brazil
Co-chair: Tsuyoshi Kiyama - Japan
Room: Assunção
2007-10-19
From 13:30 to 15:30
L∞ Performance Analysis/Synthesis for Continuous-Time Control Systems with Actuator Saturation under L∞ Bounded Disturbance
Kenji Sawada; Tsuyoshi Kiyama
Contact: Kenji Sawada - Japan
13:30-13:50
Abstract:
This paper considers anti-windup control systems and/or liner time invariant continuous-time systems with actuator saturation under persistent disturbances bounded in L∞ norm. Our objective is to design dynamic output feedback controllers and anti-windup ones simultaneously that, in the presence of disturbances, causes closed-loop system trajectories starting from a lager invariant set to converge to a smaller invariant set guaranteed with the L∞ performance. The invariant sets are expressed by a level set of quadratic Lyapunov functions. In synthesis, the effectiveness in the case when their Lyapunov variables are different from the common Lyapunov variable will be point out. Copyright © 2007 IFAC.