DC-DC降压升压变换器的大信号SFG模型

2017 IEEE 8th International Conference on Awareness Science and Technology (iCAST) Pub Date : 2017-11-01 DOI:10.1109/ICAWST.2017.8256501

Li-Chun Liao, Kuo-Wei Chien

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引用次数: 0

摘要

介绍了DC-DC开关变换器的开关流图(SFG)建模技术。基于虚拟开关函数的概念，可以方便地建立DC-DC开关变换器的大信号SFG模型，无需复杂的数学计算。在本研究中，实现了基本降压-升压变换器的大信号SFG模型来解释建模过程。通过在MATLAB/SIMULINK中建立大信号SFG模型，可以方便地观察电路的动态行为。通过与实验结果和PSPICE仿真结果的比较，证明了SFG模型能较好地反映升压变换器的一些特性。

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The large-signal SFG model of DC-DC buck-boost converters

This paper introduced the switching flow-graph (SFG) modeling technique for DC-DC switching converters. Based on the concept of virtual switching functions, the large-signal SFG models of DC-DC switching converters can be developed easily without complex mathematics. In this study, the large-signal SFG model of a basic buck-boost converter was implemented to explain the modeling procedure. By establishing the large-signal SFG model in MATLAB/SIMULINK, the circuit's dynamic behavior can be easily observed. In comparison with the experimental results and PSPICE simulation results, it demonstrates the SFG model can reveal some characteristics of buck-boost converters.

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2017 IEEE 8th International Conference on Awareness Science and Technology (iCAST)

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