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Robust Stabilization of Nonlinear Systems with Uncertain Varying Control Coefficient

Author

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  • Zaiyue Yang
  • C. W. Chan
  • Yiwen Wang

Abstract

This paper investigates the stabilization problem for a class of nonlinear systems, whose control coefficient is uncertain and varies continuously in value and sign. The study emphasizes the development of a robust control that consists of a modified Nussbaum function to tackle the uncertain varying control coefficient. By such a method, the finite-time escape phenomenon has been prevented when the control coefficient is crossing zero and varying its sign. The proposed control guarantees the asymptotic stabilization of the system and boundedness of all closed-loop signals. The control performance is illustrated by a numerical simulation.

Suggested Citation

  • Zaiyue Yang & C. W. Chan & Yiwen Wang, 2014. "Robust Stabilization of Nonlinear Systems with Uncertain Varying Control Coefficient," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-7, April.
    • Handle: RePEc:hin:jnlmpe:875372
    DOI: 10.1155/2014/875372
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