数字控制DC-DC变换器动态特性的改进

2008 International Symposium on Power Electronics, Electrical Drives, Automation and Motion Pub Date : 2008-06-11 DOI:10.1109/SPEEDHAM.2008.4581228

F. Kurokawa, S. Sukita

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引用次数: 0

摘要

我们已经报道了一种新的数字控制方法——静态模型基准，它是一种改进的输出电压智能数字基准。然而，由于该模型依赖于稳态分析，先前试图改善瞬态响应的尝试一直没有定论。本文提出了一种利用静态和动态函数相结合的新型开关dc-dc变换器模型控制方法，以改善其动态特性。进一步讨论了控制电路参数与动态特性之间的关系。结果表明，采用新模型控制的DC-DC变换器比传统控制具有更好的暂态响应。特别是，电抗器电流的超调量被抑制在34%以内，这一结果比传统的ldquostatic模型参考控制的结果小约30%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Improvement of dynamic characteristics of digitally controlled DC-DC converter

We have already reported the novel digital control method ldquostatic model referencerdquo which is the improved smart digital reference of output voltage. However, prior attempts to improve the transient response have been inconclusive because this model depends on the steady-state analysis. This paper presents a new model control method of the switching dc-dc converter using both the static and dynamic functions to improve the dynamic characteristics. Furthermore, the relationship between the parameters of control circuit and the dynamic characteristics is discussed. As a result, it is seen that the DC-DC converter with a new model control has a superior transient response compared with that of the conventional control. Especially, the overshoot of the reactor current is suppressed to within 34% and this result is approximately 30% smaller than that of the conventional ldquostatic model referencerdquo control.

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来源期刊

2008 International Symposium on Power Electronics, Electrical Drives, Automation and Motion

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