Mixed $H_2/H_{infty}$ Control of Networked Control Systems with Random Delays Modeled by Markov Chains
نویسندگان
چکیده
This paper considers the mixed H2/H∞ 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 H∞ norms are further proposed to reflect the special characteristics of the system. The H2 and mixed H2/H∞ control problems are solved via the linear matrix inequality (LMI) optimization approaches. Simulation examples illustrate the effectiveness of the proposed methods.
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