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Stability analysis of NCS with time-varying delay
Author(s): 
Pages: 592-596,602
Year: Issue:  4
Journal: Electric Machines and Control

Keyword:  network control systemexponential stabilityoutput feedbackdata packet dropoutproportional-integral control;
Abstract: According to the problems of exponential stability and controller design for network control system (NCS) with time-varying delay and data packet dropout, the proportional-integral (PI) output feedback control strategy was put forward. Based on the theory of asynchronous dynamical system, principle of Lyapunov stability and method of linear matrix inequality, the model for PI output feedback NCS with both time-varying delay and data packet dropout occurring among sensor, controller and actuator was constructed. And the negative semi-definite matrix condition for exponential stability and the controller design of NCS were presented. Numerical example shows that both are feasible.
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