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Robust Stability Analysis of an Uncertain Nonlinear Networked Control System Category

Minrui Fei, Jun Yi, and Huosheng Hu
International Journal of Control, Automation, and Systems, vol. 4, no. 2, pp.172-177, 2006

Abstract : In the networked control system (NCS), the uncertain network-induced delay and nonlinear controlled object are the main problems, because they can degrade the performance of the control system and even destabilize it. In this paper, a class of uncertain and nonlinear networked control systems is discussed and its sufficient condition for the robust asymptotic stability is presented. Further, the maximum network-induced delay that insures the system stability is obtained. The Lyapunov and LMI theorems are employed to investigate the problem. The result of an illustrative example shows that the robust stability analysis is sufficient.

Keyword : Networked control system, nonlinear controlled object, robust asymptotic stability, uncertain network-induced delay.

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