Design of bang-bang control for dual channel DC-DC buck and boost converter

I. Denes, R. Barabáš, I. Nagy, E. Masada
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Abstract

The paper is concerned with the design of the bang-bang control for dual channel DC-DC buck and boost converter. The quality of the control is characterized by two quality figures, the voltage ripple and the voltage error. An optimum design method is described to realize good quality figures. When the output voltage is higher (lower) than the reference voltage the lower (higher) switching frequency is selected. In order to reduce the output voltage ripple the lower switching frequency is changed with the variation of the load. Calculation and simulation results of the two quality figures are presented and compared.
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双通道DC-DC降压和升压变换器的bang-bang控制设计
本文研究了双通道DC-DC降压升压变换器的bang-bang控制设计。控制的质量由电压纹波和电压误差两个质量数字来表征。介绍了一种实现高质量图形的优化设计方法。当输出电压高于(低于)基准电压时,选择较低(较高)的开关频率。为了减小输出电压纹波,开关的下开关频率随负载的变化而变化。给出了两种质量图的计算和仿真结果,并进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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