Constant-Frequency Peak-Ripple-Based Control of Buck Converter in CCM: Review, Unification, and Duality

Constant-Frequency Peak-Ripple-Based Control of Buck Converter in CCM: Review, Unification, and Duality
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CCM 中降压转换器的基于恒频峰值纹波的控制:回顾、统一和对偶性

DOI:
10.1109/tie.2013.2257143
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发表时间:
2014-03
影响因子:
7.7
通讯作者:
Wang, Jinping
Wang, Jinping
中科院分区:
计算机科学1区
文献类型:
--
作者:
Zhou, Guohua;Xu, Jianping;Wang, Jinping

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对Buck变换器在连续导通模式下的峰值电流控制、V2控制和增强型V2控制的工作原理进行了综述和比较。利用电感电流和输出电压的权重因子,将它们统一为基于恒频峰值纹波(CF-PR)的模拟控制。结果表明,传统的峰值电流控制和V2控制是CF-PR统一控制的两个边界。提出了CF-PR控制与恒频谷值脉动控制(CF-VR)的对偶项。作为CF-PR模拟控制的对偶,研究了CF-VR模拟控制。本文从对偶性的角度研究了不同调制的CF-PR和CF-VR统一数字控制律及其稳定性。实验结果验证了理论分析的正确性。
The operation principles of peak current control, V2 control, and enhanced- V2 control of buck converter in continuous conduction mode are reviewed and compared. By the use of weight factors of inductor current and output voltage, they are unified as constant-frequency peak-ripple-based (CF-PR) analog control. It is revealed that conventional peak current control and V2 control are two boundaries of the unified CF-PR control. The duality items between CF-PR control and constant-frequency valley-ripple-based (CF-VR) control are proposed. As the duality of CF-PR analog control, CF-VR analog control is investigated. Unified CF-PR and CF-VR digital control laws with different modulations and their stabilities are investigated in terms of the duality. Experimental results verify the theory analysis.
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