Abstract

AbstractIn this paper, the regulation performance limitation of networked time‐delay systems is studied. The communication network is mainly affected by parameters such as packet dropouts, encoding‐decoding, interference signal, and channel noises. Non‐minimum phase zeros, unstable poles, and time delay are all considered for a given plant. The corresponding regulation performance expression is derived using coprime factorization and spectral decomposition techniques in the frequency domain. The results indicate that the regulation performance of the system is related to the inherent characteristics of the given plant, including non‐minimum phase zeros, unstable poles, and time delay. Additionally, network communication parameters such as white Gaussian noise, packet dropouts, encoding‐decoding, and external interference signals all affect the regulation performance of networked time‐delay systems. Finally, some simulation examples are provided to demonstrate the effectiveness of the theory.

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