A New Feed-Forward Control for Dynamics Improvement in a Dual-Input DC–DC Converter for Hybrid Vehicle Applications

Alessandro Benevieri, Lorenzo Carbone, Simone Cosso, Mario Marchesoni (), Massimiliano Passalacqua, Stefano Savio and Luis Vaccaro
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Alessandro Benevieri: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, Via All’Opera Pia 11a, 16145 Genova, Italy
Lorenzo Carbone: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, Via All’Opera Pia 11a, 16145 Genova, Italy
Simone Cosso: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, Via All’Opera Pia 11a, 16145 Genova, Italy
Mario Marchesoni: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, Via All’Opera Pia 11a, 16145 Genova, Italy
Massimiliano Passalacqua: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, Via All’Opera Pia 11a, 16145 Genova, Italy
Stefano Savio: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, Via All’Opera Pia 11a, 16145 Genova, Italy
Luis Vaccaro: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, Via All’Opera Pia 11a, 16145 Genova, Italy

Energies, 2024, vol. 17, issue 9, 1-20

Abstract: In this study, a double-input single-output bidirectional DC–DC converter is considered. This particular architecture allows less switches to be used than a conventional solution. A new feed-forward current control for this DC–DC converter with three switches is presented in this paper. The modulation technique proposed in the literature for the aforementioned converter leads to a consistent loss reduction at low load, exploiting the DCM. As a drawback, when using this control strategy, the dynamic response worsens significantly. To speed up the control, a feed-forward approach is designed and implemented using a simplified converter electrical model. The proposed strategy is compared with the conventional PI controller, and it is validated and verified through simulation results in the MATLAB/Simulink/PLECS environment and through experimental tests using a converter prototype.

Keywords: DC–DC converter; feed forward; multi-input converter; DCM; control strategy (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: 2024
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