| PWM Buck变换器中的混沌现象的研究 |
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| 引用本文： | 王媛彬. PWM Buck变换器中的混沌现象的研究[J]. 电源世界, 2008, 0(5): 25-27 |
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| 作者姓名： | 王媛彬 |
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| 作者单位： | 西安科技大学电控学院,西安710054 |
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| 摘 要： | 本文以闭环PWM控制的Buck开关变换器为例，采用非线性迭代映射法对电感电流连续模式下变换器中出现的混沌现象进行了分析研究，确定了开关转换时刻及转换时刻的输出电压和电感的值，最后采用PSpice时行了计算机住址验证。
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| 关 键 词： | 开关变换器 PWM 非线性迭代映射法 混沌 |
A Study on Chaos in PWM Buck Switching Converters |
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| Affiliation: | Wang Yuanbin (School of Electrical ＆ Control Engineering,Xi＇an University of Science ＆ Technology (710054)) |
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| Abstract: | On the basis of Iterated Nonlinear Mappings,chaos in PWM Buck switching converter operating in continuous conduction is investigated,the switching instant,the inductor current and capacitor voltage are all obtained,and the analysis method is verified by PSPICE simulation.It is shown under certain parameters chaos will occur. |
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| Keywords: | switching converter PWM iterated nonlinear mapping chaos |
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