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H control of networked control systems with time delay and packet disordering

H control of networked control systems with time delay and packet disordering

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This paper studies the problem of designing H controllers for networked control systems (NCSs) with both network-induced time delay and packet disordering. A delay switching-based method is proposed to model the NCSs with long time delay as switched systems, then by an algorithm involving convex optimisation, H controllers are designed by using the proposed delay switching-based method and the existing parameter uncertainty-based method. Then, prediction-based method is presented to compensate time delay and packet disordering, and H controller design is proposed by using linear matrix inequality (LMI)-based method. The simulation results illustrate the effectiveness of the proposed delay switching-based method and the prediction-based H controller design.

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