Novel Droop-Based Techniques for Dynamic Performance Improvement in a Linear Active Disturbance Rejection Controlled-Dual Active Bridge for Fast Battery Charging of Electric Vehicles

Armel Asongu Nkembi (), Danilo Santoro, Fawad Ahmad, Iñigo Kortabarria, Paolo Cova, Emilio Sacchi and Nicola Delmonte ()
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Armel Asongu Nkembi: Department of Engineering and Architecture (DIA), University of Parma, 43124 Parma, Italy
Danilo Santoro: Department of Engineering and Architecture (DIA), University of Parma, 43124 Parma, Italy
Fawad Ahmad: Department of Naval, Electrical, Electronic and Telecommunications Engineering (DITEN), University of Genova, 16145 Genova, Italy
Iñigo Kortabarria: Department of Electronic Technology, University of the Basque Country, 48013 Bilbao, Spain
Paolo Cova: Department of Engineering and Architecture (DIA), University of Parma, 43124 Parma, Italy
Emilio Sacchi: Poseico S.p.A., 16153 Genova, Italy
Nicola Delmonte: Department of Engineering and Architecture (DIA), University of Parma, 43124 Parma, Italy

Energies, 2024, vol. 17, issue 20, 1-19

Abstract: Electric vehicles (EVs) are rapidly replacing fossil-fuel-powered vehicles, creating a need for a fast-charging infrastructure that is crucial for their widespread adoption. This research addresses this challenge by improving the control of dual active bridge converters, a popular choice for high-power EV charging stations. A critical issue in EV battery charging is the smooth transition between charging stages (constant current and constant voltage) which can disrupt converter performance. This work proposes a novel feedforward control method using a combination of droop-based techniques combined with a sophisticated linear active disturbance rejection control system applied to a single-phase shift-modulated dual active bridge. This combination ensures a seamless transition between charging stages and enhances the robustness of the system against fluctuations in both input voltage and load. Numerical simulations using MATLAB/Simulink R2024a demonstrated that this approach not only enables smooth charging but also reduces the peak input converter current, allowing for the use of lower-rated components in the converter design. This translates to potentially lower costs for building these essential charging stations and faster adoption of EVs.

Keywords: droop control; dual active bridge; electric vehicles; single phase shift modulation; constant current–constant voltage; feedforward control; linear active disturbance rejection control; dynamic performance enhancement; robust control; battery charging (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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