基于DPS控制的双向全桥直流变换器的建模
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(1.海军航空大学,山东烟台 264001;2.甘肃电器科学研究院,甘肃天水 741000)

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TM41

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Modeling of Bidirectional Full-Bridge DC Converter Based on DPS Control
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(1. Naval Aviation University, Yantai Shandong 264001, China;2. Gansu Electric Apparatus Research Institute, Tianshui Gansu 741000, China)

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    摘要:

    为方便双向全桥直流变换器的稳定性分析以及闭环控制器的设计,利用广义状态空间平均法对工作在双重移相控制方式下的双向全桥直流变换器进行了建模研究,得到了系统的大信号模型,通过线性化处理,得到系统小信号模型,并根据小信号模型进行了控制器设计。利用 Matlab仿真验证所建立模型的准确性以及闭环系统的稳定性,仿真结果表明,小信号模型能准确跟随系统输出,且闭环系统符合 GJB 181B要求。

    Abstract:

    In order to facilitate the stability analysis of the bidirectional full-bridge DC-DC converter and the design ofthe closed-loop controller, the bidirectional full-bridge DC-DC converter operating in the dual phase-shift control modewas modeled by the generalized state space averaging method, and a large signal model of the system was obtained. Thesmall signal model was obtained by linearizing the large signal model, and the controller design was based on the small-signal model. Finally, the accuracy of the established model and the stability of the closed-loop system were demonstratedby MATLAB simulation. The simulation results show that the small-signal model can accurately follow the system output,and the closed-loop system meets the requirements of GJB181B.

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卢建华,郝凯敏,陈泽宇,李飞.基于DPS控制的双向全桥直流变换器的建模[J].海军航空大学学报,2019,34(5):437-442
LU Jianhua, HAO Kaimin, CHEN Zeyu, LI Fei. Modeling of Bidirectional Full-Bridge DC Converter Based on DPS Control[J]. JOURNAL OF NAVAL AVIATION UNIVERSITY,2019,34(5):437-442

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  • 在线发布日期: 2019-12-23
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