Title :
Guaranteed Cost Control for Systems with Saturating Actuators and Input Delays
Author :
Zhao, Huimin ; Zuo, Zhiqiang ; Jia, Ziqi ; Wang, Yijing
Author_Institution :
Gen. Courses Dept., Acad. of Mil. Transp., Tianjin
Abstract :
This paper considers guaranteed cost control problem for systems with saturating actuators and input delays. By using Razumikhin stability theorem, a linear state feedback control law is found, ensuring not only the closed-loop system´s stability but guaranteed cost index. And the problem of designing the optimal guaranteed cost controller is converted to a convex optimization problem within the framework of linear matrix inequalities. Example is given to illustrate the effectiveness of the proposed result.
Keywords :
actuators; closed loop systems; control system synthesis; delay systems; linear matrix inequalities; optimal control; stability; state feedback; Razumikhin stability theorem; closed-loop system; convex optimization problem; guaranteed cost control; guaranteed cost index; input delays; linear matrix inequalities; linear state feedback control; saturating actuators; Actuators; Control systems; Cost function; Delay; Design optimization; Linear feedback control systems; Linear matrix inequalities; Optimal control; Stability; State feedback; Actuator saturation; Guaranteed cost control; LMI; Time delay;
Conference_Titel :
Robotics, Automation and Mechatronics, 2008 IEEE Conference on
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-1675-2
Electronic_ISBN :
978-1-4244-1676-9
DOI :
10.1109/RAMECH.2008.4681464