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Mixed H2/H control of networked control systems with random delays modeled by Markov chains

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3 Author(s)
Yang Shi ; Dept. of Mech. Eng., Univ. of Saskatchewan, Saskatoon, SK, Canada ; Bo Yu ; Ji Huang

This paper considers the mixed H2/Hinfin control of networked control systems where random time delays existing in sensor-to-controller (S-C) and controller-to-actuator (C-A) links are modeled by Markov chains. The designed output feedback controller is two-mode-dependent, which depends on the available S-C and C-A delay information. The closed-loop system is formulated as a special jump linear system. The definitions of the H2 and Hinfin norms are further proposed to reflect the special characteristics of the system. The H2 and mixed H2/Hinfin control problems are solved via the linear matrix inequality (LMI) optimization approaches. Simulation examples illustrate the effectiveness of the proposed methods.

Published in:

American Control Conference, 2009. ACC '09.

Date of Conference:

10-12 June 2009