Title :
Dynamic output feedback H∞ control for continuous-time networked control systems
Author :
Tian-Bao Wang ; Cheng-Dong Wu ; Yu-Long Wang ; Yun-Zhou Zhang
Author_Institution :
Coll. of Inf. Sci. & Eng., Northeastern Univ., Shenyang, China
Abstract :
This study is concerned with dynamic output feedback (DOF) H∞ control for continuous-time networked control systems (NCSs). The packet dropouts and network-induced delays in the sensor-to-controller channel, and network-induced delays in the controller-to-actuator channel are taken into account. A linear estimation-based method is proposed to estimate the measurement output, and the non-uniform distribution characteristic of the measurement output arrival instant is taken into full consideration to establish a new model for the considered NCSs. Based on the newly established model and a new Lyapunov functional, the problem of DOF controller design is studied. A numerical example is given to illustrate the effectiveness of the proposed DOF controller design.
Keywords :
H∞ control; Lyapunov methods; actuators; continuous time systems; control system synthesis; delays; feedback; linear systems; networked control systems; sensors; DOF H∞ control; DOF controller design problem; Lyapunov functional; continuous-time NCS; continuous-time networked control systems; controller-to-actuator channel; dynamic output feedback H∞ control; linear estimation-based method; measurement output arrival instant; measurement output estimation; network-induced delays; nonuniform distribution characteristics; packet dropouts; sensor-to-controller channel;
Journal_Title :
Control Theory & Applications, IET
DOI :
10.1049/iet-cta.2012.1011