应用于DC-DC Buck-Boost变换器的最优鲁棒控制技术

2021 Brazilian Power Electronics Conference (COBEP) Pub Date : 2021-11-07 DOI:10.1109/COBEP53665.2021.9684012

Ademir da S. Toledo Júnior, P. M. de Almeida, P. G. Barbosa, M. C. Fernandes, I. D. de Souza

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引用次数: 0

摘要

本研究旨在利用基于最优鲁棒线性矩阵不等式(LMI)的方法控制Buck-Boost变换器，该方法在以前的工作中已经讨论过，但本研究的重点是这种通用变换器，它可以作为升压或降压变换器工作。然后，将其与传统的最优控制技术，即线性二次型调节器(LQR)方法进行比较，表明前者可以处理其参数的不确定性，而后者则不能。

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Optimal and Robust Control Techniques applied to DC-DC Buck-Boost Converter

This study pursues to control a Buck-Boost converter with an optimal-robust linear matrix inequalities (LMI)-based method, which has been discussed on previous works, but this work focus on this versatile converter, which can operate as a step-up or step-down converter. Then, it is compared to a con-ventional optimal control technique, known as linear quadratic regulator (LQR) method, showing that the previous can handle uncertainty on its parameters where the latter may not.

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2021 Brazilian Power Electronics Conference (COBEP)

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