Active Power Decoupling Control of Bridge-less SEPIC using Lyapunov-function based Control Strategy

Soonhwan Hwang, S. Ogasawara, K. Orikawa, M. Takemoto
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Abstract

This paper proposes a new control strategy for active power decoupling(APD) function of a bridge-less single-ended primary inductance converter(SEPIC). Without additional components, a change of control method would enable the implementation of APD functions, replacing an electrolytic capacitor(E-Cap) with a small film capacitor. The contribution of this paper is to apply a Lyapunov-function based control method to the control system to ensure global stability and reduce the number of sensors and parameters required for control. The effectiveness of the proposed control method is shown by simulations using MATLAB/SIMULINK.
基于lyapunov函数的无桥SEPIC有功功率解耦控制
针对无桥单端初级电感变换器(SEPIC)的有功功率解耦(APD)功能提出了一种新的控制策略。在没有额外组件的情况下,改变控制方法可以实现APD功能,用小型薄膜电容器取代电解电容器(E-Cap)。本文的贡献在于将基于李雅普诺夫函数的控制方法应用于控制系统,以保证控制系统的全局稳定性,并减少控制所需的传感器和参数的数量。通过MATLAB/SIMULINK仿真验证了所提控制方法的有效性。
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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