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Fuzzy Control of DC-DC Converters with Input Constraint

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Listed:
  • D. Saifia
  • M. Chadli
  • S. Labiod
  • H. R. Karimi

Abstract

This paper proposes a method for designing fuzzy control of DC-DC converters under actuator saturation. Because linear control design methods do not take into account the nonlinearity of the system, a T-S fuzzy model and a controller design approach is used. The designed control not only handles the external disturbance but also the saturation of duty cycle. The input constraint is first transformed into a symmetric saturation which is represented by a polytopic model. Stabilization conditions for the state feedback system of DC-DC converters under actuator saturation are established using the Lyapunov approach. The proposed method has been compared and verified with a simulation example.

Suggested Citation

  • D. Saifia & M. Chadli & S. Labiod & H. R. Karimi, 2012. "Fuzzy Control of DC-DC Converters with Input Constraint," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-18, October.
    • Handle: RePEc:hin:jnlmpe:973082
    DOI: 10.1155/2012/973082
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