| 开关变换器周期窗内吸引子共存现象仿真研究 |
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| 引用本文： | 包伯成,许建平.开关变换器周期窗内吸引子共存现象仿真研究[J].计算机仿真,2009,26(1). |
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| 作者姓名： | 包伯成 许建平 |
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| 作者单位： | 1. 南京理工大学电子工程系,江苏,南京,210094
2. 西南交通大学电气工程学院,四川,成都,610031 |
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| 摘 要： | 开关DC-DC变换器是一种强非线性系统,存在各种非线性现象,切分叉是其中的一种特殊分叉.开关变换器因切分叉而引发了阵发混沌,阵发混沌使得系统的非线性动力学特性变得更加复杂.对电流控制型Boost变换器中产生的复杂动力学现象进行了仿真研究,揭示了参数变化分叉图中存在着周期窗、周期窗内共存吸引子和不完全倍周期费根鲍姆树等现象,通过构造相应的切分叉离散迭代映射曲线,说明了这些现象都足由于系统发生切分叉后形成的.研究结果对开关变换器的稳定设计具有重要的指导意义.
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| 关 键 词： | 开关变换器 周期窗 共存吸引子 不完全费根鲍姆树 离散迭代映射 |
Simulation of Coexisting Attractors of Inner Period-window in Switching Converter |
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| BAO Bo-cheng,XU Jian-ping.Simulation of Coexisting Attractors of Inner Period-window in Switching Converter[J].Computer Simulation,2009,26(1). |
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| Authors: | BAO Bo-cheng XU Jian-ping |
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| Affiliation: | 1.Department of Electronic Engineering;Nanjing University of Science and Technology;Nanjing Jiangsu 210094;China;2.College of Electrical Engineering;Southwestern Jiaotong University;Chengdu Sichuan 610031;China |
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| Abstract: | Switching DC-DC converter is a kind of strong nonlinear system with various nonlinear phenomena.The tangent bifurcation is a kind of special bifurcation.The intermittent chaos caused by tangent bifurcation in switching converter makes nonlinear dynamical characteristics of the system more complex.The complex dynamical phenomena,which concluding period-windows,coexisting attractors of inner period-window and imperfect doubling-periods Feigenbaum-trees shown in bifurcation diagram with parameter varying,produ... |
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| Keywords: | Switching converter Period-window Coexisting attractor Imperfect Feigenbaum-tree Discrete iterative map |
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