Compensation of networked control systems using LMI-based delay-dependent optimization method

Transmission delays in networked control systems are inevitable and can degrade the system performance or stability. The paper proposes a compensation method for networked control systems with network induced delay using a LMI-based delay-dependent optimization method. The delay-dependent optimization method has been adapted to provide an upper bound of the delay such that the system is asymptotically stable. Some simulations applied to numerical examples with networked control show that the proposed method works well.

[1]  L. Ghaoui,et al.  A cone complementarity linearization algorithm for static output-feedback and related problems , 1996, Proceedings of Joint Conference on Control Applications Intelligent Control and Computer Aided Control System Design.

[2]  J. Junik,et al.  A study on DGPS data Compensation using Vision System through respectively coordinates conversion for Autonomous Land Vehicle. , 2002 .

[3]  Wei Zhang,et al.  Stability of networked control systems , 2001 .

[4]  Asok Ray,et al.  Integrated Communication and Control Systems: Part I—Analysis , 1988 .

[5]  Karl Johan Åström,et al.  Computer-controlled systems (3rd ed.) , 1997 .

[6]  J. Lam,et al.  Delay-dependent robust H∞ control for uncertain systems with time-varying delays , 1998 .

[7]  Ryu Tae-Uk,et al.  QoS of Internet Telephony using Intelligent Packet Management Method , 2002 .

[8]  Stephen P. Boyd,et al.  Linear Matrix Inequalities in Systems and Control Theory , 1994 .

[9]  Asok Ray,et al.  An observer-based compensator for distributed delays , 1990, Autom..

[10]  A. P. Belle Isle.  Stability of systems with nonlinear feedback through randomly time-varying delays , 1973, CDC 1973.

[11]  Astrom.  Computer Controlled Systems , 1990 .

[12]  Wook Hyun Kwon,et al.  Delay-dependent robust H/sub /spl infin// control for uncertain systems with time-varying state-delay , 2001, SICE 2001. Proceedings of the 40th SICE Annual Conference. International Session Papers (IEEE Cat. No.01TH8603).