基于分数阶PID的LLC谐振变换器快速动态响应控制研究  

Research on Rapid Dynamic Response Control of LLC Resonant Converter Based on Fractional-order PID

作　　者：张洋 邵伟华 戴金林 ZHANG Yang;SHAO Weihua;DAI Jinlin(School of Mechanical Engineering,Nanjing Institute of Technology,Nanjing 211167,China;Engineering Training Center&School of Applied Technology,Nanjing Institute of Technology,Nanjing 211167,China;Qifeng Technology Co.,Ltd.,Nanjing 211100,China)

机构地区：[1]南京工程学院机械工程学院,江苏南京211167 [2]南京工程学院工程训练中心、应用技术学院,江苏南京211167 [3]齐丰科技股份有限公司,江苏南京211100

出　　处：《南京工程学院学报(自然科学版)》2024年第4期54-59,共6页Journal of Nanjing Institute of Technology(Natural Science Edition)

摘　　要：文章提出一种基于分数阶PID控制的半桥LLC谐振变换器拓扑的数字充电机设计方案,在其拓扑结构原理分析的基础上,对变换器参数进行优化设计.采用分数阶PID控制器作为控制策略,利用Matlab/Simulink仿真软件验证了所设计电路和控制器的可行性;设计一台实验样机进行试验验证,试验表明,变换器动态响应迅速、跟随性好,各项指标符合充电机的充电要求.该方法算法简单、适用性广,具有广泛的应用前景.This paper delineated a design scheme framework for a digital charger,leveraging a fractional-order PID control strategy that was adeptly applied to the half-bridge LLC resonant converter topology.Building upon the comprehensive analysis of the principles governing topological structure,the parameters of the converter was optimized.A fractional-order PID controller was employed as the strategic control mechanism,while the feasibility of both the designed circuit and controller was validated through simulations conducted in Matlab/Simulink.An experimental prototype was designed to facilitate the experimental verification,which demonstrated that the converter exhibits an exceptionally swift dynamic response and remarkable tracking performance,with all indicators successfully aligned with the charging requirements.This approach featured a straightforward algorithm and extensive applicability,highlighting the remarkable potential for widespread application in future research endeavors.

关 键 词：LLC谐振变换器 分数阶PID控制 粒子群算法 MATLAB/SIMULINK仿真 

分 类 号：TM46[电气工程—电器]