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中文摘要：
最近几年,边界碰撞分岔已经引起了越来越多的关注.以不连续导通模式下的电流反馈型Buck变换器为例,推导出两个边界三段形式的分段光滑系统的离散映射模型.数值仿真得到以参考电流为分岔参数的分岔图,然后具体分析定点的稳定存在域、分叉图中各段的映射构成和边界碰撞点处工作模式的转换.最后软件仿真和实验验证了二维分段光滑系统边界碰撞和分岔行为的正确性.
英文摘要：
Border collision bifurcations have received much attention in recent years.A class of piecewise smooth maps with two border and three zones is derived to describe the dynamics of a current-programmed Buck converter operating in a discontinuous mode.The numerical simulation is carried out and the bifurcation diagrams with the reference current as a parameter are obtained.Then,a concrete analysis of the stable existence condition of the fixed point is made,and the structure of bifurcation diagrams and a change in operation mode of the converter at the border collision point are studied.Finally,simulation and experimental results show that the theoretical analysis is correct.
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同项目期刊论文
Bifurcation and Border Collision Analysis of Voltage-Mode-Controlled Flyback Converter Based on Tota
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