基于Matlab的Buck拓扑PID补偿网络设计

2022 4th International Conference on Intelligent Control, Measurement and Signal Processing (ICMSP) Pub Date : 2022-07-08 DOI:10.1109/ICMSP55950.2022.9858962

Lin Li, Bo Zhang

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引用次数: 0

摘要

本文对Buck变换器主电路在CCM工作模式下的动态小信号进行了分析，并采用开关元件平均模型法详细推导了小信号模型。然后设计了PID补偿网络对主电路进行补偿。利用Matlab软件仿真补偿网络补偿前后开环传递函数的波德图。对比补偿前后的波德图，结果表明，补偿网络设计后获得了更好的性能，能更好地抑制高频干扰。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design of Buck Topology PID Compensation Network Based on Matlab

In this paper, the dynamic small signal analysis of Buck converter's main circuit in CCM working mode is carried out, and the small signal model is derived in detail by using the switching element average model method. Then design a PID compensation network to compensate the main circuit. Using Matlab software to simulate the compensation network compensation before and after the open loop transfer function of the bode diagram. Compared with the bode diagram before and after compensation, the results show that after the compensation network design, better performance is obtained and the high frequency interference can be suppressed better.

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来源期刊

2022 4th International Conference on Intelligent Control, Measurement and Signal Processing (ICMSP)

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