Fuzzy Sliding Mode Control for Parallel DC-DC Boost Converter

A. Sahbani(1*), K. Ben Saad(2), M. Benrejeb(3)

(1) LA.R.A. Automatique, Ecole Nationale d'Ingénieurs de Tunis (ENIT), Université de Tunis El Manar, Tunisia
(2) LA.R.A. Automatique, Ecole Nationale d'Ingénieurs de Tunis (ENIT), Université de Tunis El Manar, Tunisia
(3) LA.R.A. Automatique, Ecole Nationale d'Ingénieurs de Tunis (ENIT), Université de Tunis El Manar, Tunisia
(*) Corresponding author


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Abstract


Nowadays, parallel DC-DC switched converters are commonly used in many applications such as distributed power supply systems and embedded systems to extend battery life. As a single switched mode DC-DC converter topology, a parallel converter must provide a regulated output voltage. For such case the regulation of the voltage must be performed in a closed loop control mode.  In this paper, a Fuzzy Sliding Mode Control (FSMC) is developed and applied to a two parallel DC-DC converter. Fuzzy Sliding Mode Control is a robust control which combines the benefits of fuzzy logic control and sliding mode control. The proposed FSMC is implemented in real time using a dSPACE control board. The efficiency and the robustness of the proposed controller are tested by simulation and experimentally, with success, for different operating conditions
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Keywords


Parallel DC-DC Boost Converter; Sliding Mode Control; Fuzzy Sliding Mode Control; Robustness

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References


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