摘要
主要研究隔离型变换器中的代表拓扑结构正激变换器的非线性动力学行为。首先,介绍了非线性动力学行为分析的目的与意义;其次,根据功率变压器的数学建模法,得出变压器初、次级的电压关系式,由此建立连续导通模式下的电压反馈型正激变换器的离散迭代模型并进行简化,分析随着系统参数的变化,以及变换器发生分岔直至混沌的现象。最后,利用MATLAB的m函数进行仿真验证。
In this paper,the nonlinear dynamic behavior of the representative topology for ward conver ter in isolated converters is studied.First of all,we introduce the purpose and significance of nonlinear dynamic behavior analysis.Secondly,according to the mathematical modeling method of power transformer,we obtain the voltage relation of transformer initial and secondar y.The discrete iterative model of voltage feedback for ward conver ter in continuous on-mode is established and simplified.The bifurcation and chaos of the conver ter are analyzed with the change of system parameters.Finally,the m function of MATLAB is used for simulation.
作者
刘俊良
江传奇
LIU Jun-liang,JIANG Chuan-qi(Beifang Univesity of Nationality, Yinchuan 750000, Chin)
出处
《通信电源技术》
2018年第6期38-40,共3页
Telecom Power Technology
基金
创新项目"开关电源电路中复杂动力学行为分析及其控制研究"(YCX1764)
关键词
正激变换器
离散迭代模型
分岔图
forward converter
discrete iterative model
bifurcation diagram
