Dynamic Control of Three-Phase Dual-Active-Bridge DC-DC Converters Based on Sliding-Mode-Learning Adaline

Jiahao Sun, Qiu Lin, Xing Liu, Jien Ma, Youtong Fang, Haimeng Wu

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Abstract

Fast dynamic response is an important requirement for three-phase dual active bridge (3p-DAB) DC-DC converters under the varied source voltage and load resistance conditions. In order to enhance the dynamic performance of output voltage of 3p-DAB, a novel nonlinear controller, which is combined with the proportional plus derivative (PD) controller and the adaptive linear element (Adaline), is proposed in this paper. Firstly, a sliding-mode-learning strategy is presented for the Adaline to improve the robustness of adaptive learning. Meanwhile, the output of the Adaline is added to the output of PD controller for ensuring an outstanding dynamic response of output voltage with less overshoot. Furthermore, a comparison with the PI controller based on phase shift modulation is implemented by simulation tool to validate the utility and effectiveness of the proposed control scheme. Finally, experimental comparison results on a laboratory prototype are presented to further verify the theoretic analysis and the effectiveness of the proposed control method.
Original languageEnglish
Number of pages6
Publication statusAccepted/In press - 21 Aug 2021
Event1st IEEE International Power Electronics and Application Symposium - Shanghai, China
Duration: 12 Nov 202115 Nov 2021

Conference

Conference1st IEEE International Power Electronics and Application Symposium
Abbreviated titleIEEE PEAS'2021
Country/TerritoryChina
CityShanghai
Period12/11/2115/11/21

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