Fuzzy Control of DC-DC Converters with Input Constraint

D. Saifia, M. Chadli, S. Labiod and H. R. Karimi

Mathematical Problems in Engineering, 2012, vol. 2012, 1-18

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.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:973082

DOI: 10.1155/2012/973082

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