基于ICSO模糊PID控制的微网控制研究Micronet Control Study Based on ICSO Fuzzy PID Control
原天生,于少娟,杨杰豹,彭晓宇,白伟,张梦源
摘要(Abstract):
针对微电网在孤岛运行状态下,其SPWM双闭环逆变器在传统模糊PID控制过程中存在的参数整定复杂且系统自适应不足等问题,提出了一种在传统模糊PID控制方法的基础上加入改进鸡群算法(improved chicken swarm optimization, ICSO)的改进模糊PID控制策略(ICSO-FUZZY-PID),通过ICSO优化传统模糊PID中的比例因子和量化因子,达到快速找到最优解的目的。将改进模糊PID控制策略应用到逆变器的电压环控制中,可以大幅度得提升逆变器输出电压的控制效果,减小逆变器输出功率的波动,更好地抑制逆变器间的环流。通过在MATLAB\Simulink中搭建仿真模型进行实验,实验结果表明,基于ICSO的模糊PID控制策略应用于微网逆变器的SPWM双闭环控制中,可以使微网系统获得响应速度更快、控制精度更高、鲁棒性更强的动态和静态特性。
关键词(KeyWords): 逆变器;SPWM双闭环;模糊PID控制;改进鸡群算法
基金项目(Foundation): 山西省重点研发计划(201803D121106);; 太原科技大学大学生创新创业训练计划(XJ2020030)
作者(Author): 原天生,于少娟,杨杰豹,彭晓宇,白伟,张梦源
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