Network quality-of-service based guaranteed cost control for networked control systems

Control over communication networks has received increasing interest in recent years. The performance of the feedback control implemented in networked control systems (NCSs) is directly dependent on network Quality-of-Service (QoS). The time-varying characteristics of the QoS degrade the control performance and introduce distortion to controller signals. Addressing this problem, this paper proposed guaranteed cost control for NCSs based on network QoS. An approach was developed for codesign of feedback control and network QoS. The effectiveness of the proposed method was illustrated through a numerical example.

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