Title :
Dissipative control for networked nonlinear system with random delay
Author :
Lin, Qiongbin ; Cai, Fenghuang ; Yang, Fuwen ; Wang, Wu
Author_Institution :
Coll. of Electr. Eng. & Autom., Fuzhou Univ., Fuzhou
Abstract :
This paper focuses on problem of quadratic dissipative control for networked nonlinear system with random delay. The T-S discrete fuzzy model system is adopted for modeling the nonlinear system. The dynamic output feedback controller is to be designed. Random delays from the sensor to the controller and from the controller to the actuator are simultaneously considered. And the random delays are described by a binary switching sequence satisfying a Bernoulli distribution. Sufficient conditions for existence of a dynamic output feedback fuzzy controller, such that the closed-loop system is exponentially mean-square stable and strict quadratic dissipative, is present via matrix inequality method. The iterative algorithm is provided to solve the matrix inequalities by using SLPMM (sequentially linear programming matrix method). Finally, a numerical example is given to show the validity and feasibility of the proposed approach.
Keywords :
asymptotic stability; closed loop systems; control system synthesis; delays; discrete systems; distributed control; feedback; fuzzy control; iterative methods; linear programming; nonlinear control systems; Bernoulli distribution; T-S discrete fuzzy model system; binary switching sequence; closed-loop system; dynamic output feedback fuzzy controller; exponentially mean-square stability; iterative algorithm; matrix inequality method; networked nonlinear system; quadratic dissipative control; random delay; sequentially linear programming matrix method; Actuators; Control systems; Delay systems; Fuzzy systems; Linear matrix inequalities; Nonlinear control systems; Nonlinear dynamical systems; Nonlinear systems; Output feedback; Sufficient conditions; SPLMM; T-S fuzzy system; dissipative control; networked system; nonlinear system; random delay;
Conference_Titel :
Intelligent Control and Automation, 2008. WCICA 2008. 7th World Congress on
Conference_Location :
Chongqing
Print_ISBN :
978-1-4244-2113-8
Electronic_ISBN :
978-1-4244-2114-5
DOI :
10.1109/WCICA.2008.4594321