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首页> 外文期刊>Emerging and Selected Topics in Power Electronics, IEEE Journal of >Current Control of the Coupled-Inductor Buck–Boost DC–DC Switching Converter Using a Model Predictive Control Approach
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Current Control of the Coupled-Inductor Buck–Boost DC–DC Switching Converter Using a Model Predictive Control Approach

机译：耦合电感器降压-Boost DC-DC开关转换器的电流控制使用模型预测控制方法

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摘要

Coupled-inductor buck boost dc-dc switching converter has emerged as an alternative to manage power in several hybrid system architectures. This is due to features such as a noninverting voltage step-up and step-down characteristic, high efficiency, wide bandwidth, and the possibility to regulate its input or output currents as has been reported in previous works. All of them are based on a small-signal linearized model around an operating point. In this article, a model predictive control strategy is proposed to increase the operation point domain. The proposal consists in the use of the mathematical model of the system in discrete time to obtain the optimal switching state to be applied in the converter based on a cost function optimization, which simultaneously improves the current tracking and reduces the converter power losses. Experimental results validate the proposal demonstrating that this is a good alternative for the control of this kind of power converters.
机译：耦合电感器降压升压DC-DC交换转换器已成为在多个混合系统架构中管理电源的替代方案。这是由于非更换电压升压和降压特性，高效率，宽带宽以及在以前的作品中报告的输入或输出电流的可能性等功能。所有这些都基于操作点周围的小信号线性化模型。在本文中，提出了一种模型预测控制策略来增加操作点域。该提议在于在离散时间中使用系统的数学模型来获得基于成本函数优化在转换器中应用的最佳切换状态，这同时提高电流跟踪并降低转换器功率损耗。实验结果验证了表明这是控制这种功率转换器的良好替代方案。

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