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。
In order to facilitate the stability analysis of the bidirectional full-bridge DC-DC converter and the design of the closed-loop controller,the bidirectional full-bridge DC-DC converter operating in the dual phase-shift control mode was modeled by the generalized state space averaging method,and a large signal model of the system was obtained.The small signal model was obtained by linearizing the large signal model,and the controller design was based on the smallsignal model.Finally,the accuracy of the established model and the stability of the closed-loop system were demonstrated by 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.
作者
卢建华
郝凯敏
陈泽宇
李飞
LU Jianhua;HAO Kaimin;CHEN Zeyu;LI Fei(Naval Aviation University,Yantai Shandong 264001,China;Gansu Electric Apparatus Research Institute,Tianshui Gansu 741000,China)
出处
《海军航空工程学院学报》
2019年第5期437-442,共6页
Journal of Naval Aeronautical and Astronautical University
关键词
广义状态空间平均法
双向全桥直流变换器
双移相控制
大信号模型
小信号模型
generalized state space averaging method
bidirectional full-bridge DC converter
dual phase-shift control
large signal model
small signal model
