LIU Di,CUI Yiran,XU Hongmei.Analysis of characteristics for photovoltaic energy storage system based on fuzzy control[J].Journal of Yanbian University,2023,(02):136-139.
基于模糊控制的光伏储能系统的特性分析
- Title:
- Analysis of characteristics for photovoltaic energy storage system based on fuzzy control
- Keywords:
- photovoltaic energy storage system; bidirectional converter; automatic disturbance rejection control; fuzzy control; robustness
- 分类号:
- TM46
- 文献标志码:
- A
- 摘要:
- 为提高光伏储能系统的控制性能和抑制外部干扰的能力,提出了一种自抗扰控制策略,即在电流内环采用双向变换器线性自抗扰控制策略,在电压外环采用模糊自抗扰控制策略.利用Matlab/Simulink仿真平台对传统PI、LADRC控制器与基于模糊控制的LADRC(fuzzy-LADRC)控制器进行仿真对比表明,fuzzy-LADRC控制器可有效抑制因多源干扰而引起的直流母线电压波动,并可提高光伏系统的跟踪性能和鲁棒性.
- Abstract:
- In order to improve the control performance and mitigate external disturbances of photovoltaic energy storage systems, a self-disturbance rejection control strategy was proposed.Specifically, a bidirectional converter linear self-disturbance rejection control strategy was employed in the current inner loop, while a fuzzy self-disturbance rejection control strategy was utilized in the voltage outer loop.The use of Matlab/ Simulink simulation platform was employed to compare the performance of the traditional PI and LADRC controllers with the fuzzy control-based LADRC (fuzzy-LADRC) controller.The simulation results demonstrate that fuzzy-LADRC controller can effectively overcome the problem of DC bus voltage fluctuation caused by multiple sources of interference, and improve the tracking performance and robustness of the photovoltaic system.
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备注/Memo
收稿日期: 2023 05 10
基金项目: 吉林省教育厅科研项目(JJKH20210589KJ)
第一作者: 刘頔(1998—),女,硕士研究生,研究方向为非线性动力学.
通信作者: 徐红梅(1975—),女,博士,教授,研究方向为非线性动力学.