基于分段模糊PID控制的三相光伏逆变器

Proceedings of 2014 International Conference on Modelling, Identification & Control Pub Date : 2014-12-01 DOI:10.1109/ICMIC.2014.7020721

Lei Li, Cungang Hu, Hao Lu, Guoli Li

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引用次数: 0

摘要

三相光伏逆变器方法存在波动失真、调整时间长等缺点。针对这种情况，我们提出了一种改进的模糊PID控制策略。根据系统运行的特点，设计了一种改进的模糊PID控制器参数整定原理，在模糊推理机中加入带有误差和错误率的功率系数，使该方法具有较好的动态和稳态性能。最后，仿真和实验结果验证了所提方法的可行性和有效性。

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Three-phase PV inverter based on segmentation fuzzy PID control

The method of three-phase PV inverter has the deficiency such as wave distortion and long adjustment time. Aimed at this situation, we propose a modified fuzzy PID control strategy. According to the characteristics of the running, we devise a modified fuzzy PID controller parameter setting principle, which add the power coefficient to Fuzzy Inference Engine with the error and error rate, to make the dynamic and steady-state performances of the method superior. At last, the simulation and experiment results verifies the feasibility and effectiveness of the proposed method.

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Proceedings of 2014 International Conference on Modelling, Identification & Control

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