Robust Voltage Control of a Buck DC-DC Converter: A Sliding Mode Approach

Salah Beni Hamed (), Mouna Ben Hamed and Lassaad Sbita
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Salah Beni Hamed: Physic Department, High School of Engineers of Tunis, Tunis 1008, Tunisia
Mouna Ben Hamed: Electrical Department, National Engineering School of Gabes, Zrig Eddakhlania 6029, Tunisia
Lassaad Sbita: Electrical Department, National Engineering School of Gabes, Zrig Eddakhlania 6029, Tunisia

Energies, 2022, vol. 15, issue 17, 1-21

Abstract: This paper deals with voltage control in a buck DC-DC converter. In fact, dynamic mathematical equations describing the principle behavior of the above system have been derived. Due to the nonlinearity of the established model, a nonlinear control algorithm is adopted. It is based on the sliding mode control approach. To highlight the performance of the latter, a comparative study with four control algorithms is carried out. The validity of the model and the performance of the conceived algorithms are verified in simulation. Both the system and the algorithm controls are implemented in the Matlab/Simulink environment. Extensive results under different operational conditions are presented and discussed.

Keywords: buck DC-DC converter; parameter variation; Matlab/Simulink environment; sliding mode control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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