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-  2016 

I2控制Buck变换器的一阶动力学分析
One-Dimensional Dynamic Analysis of I2 Controlled Buck Converter

DOI: 10.3969/j.issn.1001-0548.2016.02.013

Keywords: 一阶模型,离散映射模型,混沌,稳定分析,开关DC-DC变换器

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Abstract:

通过降阶处理,建立了I2控制Buck变换器的一阶离散映射迭代模型,研究了该模型的非线性动力学行为。通过分析检测电阻Rs和误差放大器比例系数k1为变量参数的分岔图,研究了系统从稳定周期1进入倍周分岔,从连续导电模式(CCM)鲁棒混沌进入断续导电模式(DCM)阵发混沌的动力学形为。通过Rs-Vo和k1-Vo参数空间分析和离散迭代映射空间分析,得到了稳定性和工作模式的变化情况,验证了理论分析的正确性。

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