多模块并联DC-DC变换器的H∞控制

Industrial Electronics, 2002. ISIE 2002. Proceedings of the 2002 IEEE International Symposium on Pub Date : 1900-01-01 DOI:10.1109/ISIE.2002.1025933

E. Figueres, G. Garcerá, M. Pascual, A. Abellán

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引用次数: 2

摘要

本文利用H∞控制理论设计了适用于并联变换器的平均电流模控制环。通过应用H∞控制技术，可以大大降低转换器对低频干扰的灵敏度，保持相对于线性模型高频不确定性的回路稳定性。在一个由4个降压DC-DC级组成的5V-20A, 50kHz并联模块变换器上进行了实验测量，验证了分析研究的有效性。

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H∞ Control of multi-module parallel DC-DC converters

This paper proposes the design of the Average Current-mode Control loop applied to parallel converters by means of H∞ Control Theory. The sensitivity to low-frequency disturbances of the converter can be drastically reduced by applying H∞ control techniques, preserving the loop stability with respect to high frequency uncertainties of the linear model. The analytical study is validated by experimental measurements carried out on a 5V-20A, 50kHz parallel-module converter composed by four buck DC-DC power stages.

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来源期刊

Industrial Electronics, 2002. ISIE 2002. Proceedings of the 2002 IEEE International Symposium on

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