100 W半桥LLC谐振变换器快速响应的控制策略设计  

Control strategy design of 100 W fast response half bridge LLC resonant converter

作　　者：饶刚[1] 严帅 金彬 王文军 Rao Gang;Yan Shuai;Jin Bin;Wang Wenjun(Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering,Wuhan University of Science and Technology,Wuhan 430081,China)

机构地区：[1]武汉科技大学机械传动与制造工程湖北省重点实验室,湖北武汉430081

出　　处：《电子技术应用》2022年第2期101-106,110,共7页Application of Electronic Technique

摘　　要：针对通信电源在负载设备有大数据流量涌入瞬间的动态特性问题,提出一种基于变论域模糊PID控制的半桥LLC谐振变换器快速响应的控制策略设计。该设计在传统PID控制的基础上,引入模糊数学及快速标量乘法运算控制理论;并在MATLAB/simulink平台上对该策略与传统PID控制策略进行仿真比较;最后,搭建实验样机对该控制策略进行验证。通过实验对比发现,变论域模糊PID控制下LLC谐振变换器响应速度更快,具有更好的动态特性。For the dynamic characteristics of communication power supply when there is an inflow of big data traffic,a design of half-bridge LLC resonant converter based on variable universe fuzzy-PID control is proposed,which can realize the fast response control.Based on the traditional-PID control,it′s also adopted fuzzy mathematics and fast scalar multiplication algorithms that can help to improve the fast convergence characteristic of the system.Later,MATLAB/simulink software was used to simulate this strategy,compared with the traditional PID control scheme.Finally,an experimental prototype was designed for experimental verification.The experimental results show that the LLC resonant converter under variable universe fuzzy PID control has faster response speed and better dynamic characteristics.

关 键 词：变论域模糊PID控制 半桥LLC谐振变换器 通信电源 动态特性 

分 类 号：TN86[电子电信—信息与通信工程]