Volume 39 Issue 1
Jan.  2013
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Fan Liying, Wu Junfeng. Sampled-data control for a class of nonlinear time-delay systems[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (1): 16-21. (in Chinese)
Citation: Fan Liying, Wu Junfeng. Sampled-data control for a class of nonlinear time-delay systems[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (1): 16-21. (in Chinese)

Sampled-data control for a class of nonlinear time-delay systems

  • Received Date: 20 Sep 2011
  • Publish Date: 31 Jan 2013
  • The problem of sampled-data control was investigated for a class of nonlinear time-delay perturbed systems, where the upper bound of sampling intervals was known and both constant sampling and variable sampling were considered. The objective is to design a state-feedback sampled-data controller, which guarantees the closed-loop system exponentially stable and satisfies given performance index. By applying an input delay approach, the sampled-data control system was transformed into a continuous time-delay system. The novel time-dependent Lyapunov functions were introduced, which did not grow before the arrival of the next sampling time. By linear matrix inequality(LMI) approach, sufficient conditions were obtained, under which the nonlinear time-delay perturbed systems were exponentially stable. And simulation results show that the proposed method can improve the immunity of system.

     

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