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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Effects of Circuit Parameters on Dynamics of Current-Mode-Pulse-Train-Controlled Buck Converter
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Effects of Circuit Parameters on Dynamics of Current-Mode-Pulse-Train-Controlled Buck Converter

机译:电路参数对电流模式脉冲火车控制的Buck转换器动力学的影响

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摘要

Current-mode pulse train (CMPT) control technique, a novel discrete control technique for switching dc–dc converters, has completely different dynamics from the traditional pulsewidth modulation control technique. In this paper, a 1-D normal form of discrete-time map of CMPT-controlled buck converter operating in discontinuous conduction mode (DCM) is established, upon which the effects of the circuit parameters on the dynamics and the border collision bifurcation behaviors of CMPT-controlled DCM buck converter are observed and analyzed. According to discrete iterative maps of period-1, period-2, and period-3, the fixed point analyses of the corresponding periodicities are studied, and the mechanism of border collision bifurcation is revealed. Simultaneously, the parameter conditions of different periodicities are formulated, which are helpful to better understand the behaviors and to analyze the CMPT-controlled buck converter.
机译:电流模式脉冲串(CMPT)控制技术是一种用于切换dc-dc转换器的新型离散控制技术,其动态特性与传统的脉冲宽度调制控制技术完全不同。本文建立了以不连续导通模式(DCM)工作的CMPT控制的降压转换器的离散时间映射的一维正规形式,其上电路参数对动态和边界碰撞分叉行为的影响观察并分析了CMPT控制的DCM降压转换器。根据周期1,周期2和周期3的离散迭代图,研究了相应周期的不动点分析,揭示了边界碰撞分叉的机理。同时,制定了不同周期的参数条件,这有助于更好地了解其行为并分析CMPT控制的降压转换器。

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