Sliding Mode Control of Coupled Inductor Based Bidirectional Converter Topology for Electric Vehicle Application

2020 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER) Pub Date : 2020-10-30 DOI:10.1109/DISCOVER50404.2020.9278073

Praveena Krishna P. S., J. S., S. A.

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Abstract

This article presents the design and application of a coupled inductor based bidirectional DC-DC converter (BDC) with sliding mode controller on electric vehicle (EV) powertrain. The coupled inductor acts as an auxiliary circuit providing soft switching to minimize the switching losses. The resonant circuit is achieved with the help of mutual inductance where it further improves efficiency. The sliding mode control is applied for the closed-loop operation which provides better results compared to the standard PI controller. This design is verified with the help of MATLAB/Simulink model and the obtained results are in good settlement with the theoretical calculation. The efficiency of the converter with sliding mode control is found to be 98.3% in buck mode and 97.8% in boost mode. Also, the target of the research to maintain the output voltage at a constant level which is quite clear with the better response of the waveform.

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基于耦合电感的电动汽车双向变换器拓扑滑模控制

本文介绍了一种基于耦合电感的带滑模控制器的双向DC-DC变换器(BDC)在电动汽车动力系统上的设计与应用。耦合电感作为辅助电路提供软开关，以尽量减少开关损耗。谐振电路是在互感的帮助下实现的，它进一步提高了效率。滑模控制应用于闭环操作，与标准PI控制器相比，效果更好。利用MATLAB/Simulink模型对设计进行了验证，得到的结果与理论计算结果吻合较好。采用滑模控制的变换器在降压模式下效率为98.3%，在升压模式下效率为97.8%。此外，研究的目标是将输出电压保持在恒定水平，这与波形的更好响应非常清楚。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 IEEE International Conference on Distributed Computing, VLSI, Electrical Circuits and Robotics (DISCOVER)

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