升压变换器的三次方差负反馈混沌控制

4th International Conference on Information Science, Electrical and Automation Engineering Pub Date : 2023-08-10 DOI:10.1117/12.2689539

Yixiang Jiang, Ningzhou Li, Xiaojuan Wei

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引用次数: 0

摘要

建立了电流模式控制Buck-Boost (CMCBB)变换器在连续电流模式下的分段线性数学模型。通过改变电路中参考电流的值，利用分岔图，揭示了系统通过倍周期分岔进入混沌的路径。本文引入三次方差负反馈混沌控制器(CVNFCC)，成功地将混沌运动引导到周期1轨道。通过与谐振参数摄动混沌控制器(RPPCC)的比较，证明了该混沌控制器设计简单、易于实现。此外，本文还深入研究了CVNFCC外部系数H对混沌控制效果的影响。选取不同的外部系数进行分析。分析结果表明，外部系数越大，混沌控制效果越好。

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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Cubic variance negative feedback chaos control for the buck-boost converter

The piecewise linear mathematical model of the current-mode-controlled Buck-Boost (CMCBB) converter in continuous current mode (CCM) is established. By changing the value of reference current in the circuit and using bifurcation diagram, the path of the system to chaos through period-doubling bifurcation is revealed. In this paper, a cubic variance negative feedback chaos controller (CVNFCC) is introduced to guide the chaotic motion to the period-1 orbit successfully. Compared with the resonant parametric perturbation chaotic controller (RPPCC), it is proved that the chaotic controller is simple in design and easy to implement. In addition, the influence of the external coefficient H of the CVNFCC on the chaos control effect is deeply studied in this paper. Different external coefficients are selected for analysis. According to the analysis results, it is concluded that the larger the external coefficient is, the better the effect of chaos control is.

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4th International Conference on Information Science, Electrical and Automation Engineering

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