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Implementation of adaptive fuzzy logic and PI controllers to regulate the DC bus voltage of shunt active power filter

机译：实现自适应模糊逻辑和PI控制器以调节并联有源电力滤波器的直流母线电压

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摘要

Active power filter (APF) performance is entirely dependent on capacitor voltage. DC voltage optimization is one of the key aspects in harmonics compensation. This paper presents an experimental comparative study of new adaptive fuzzy controller (AFC) and proportional integral (PI) regulator, applied to regulate the DC bus voltage of three phase shunt APF. The proposed AFC for APF, consist to adapt the output gain of this controller at every situation of the system as a function of the voltage error and its variation. The algorithm used to identify the reference currents is based on the Self Tuning Filter (STF). The firing pulses of the insulated-gate bipolar transistors (IGBTs) inverter are generated using a hysteresis current controller; which is implemented on an analog card. Finally, the above study, under steady state and transient conditions, is illustrated with signal-flow graphs and corresponding analysis. This study was verified by experimental tests on hardware prototype based on dSPACE-1104. (C) 2014 Elsevier B.V. All rights reserved.
机译：有源功率滤波器（APF）的性能完全取决于电容器电压。直流电压优化是谐波补偿的关键方面之一。本文提出了一种新型的自适应模糊控制器（AFC）和比例积分（PI）调节器的实验比较研究，该调节器用于调节三相并联APF的直流母线电压。拟议的用于APF的AFC包括根据系统的电压误差及其变化来调整该控制器在系统每种情况下的输出增益。用于识别参考电流的算法基于自整定滤波器（STF）。绝缘栅双极型晶体管（IGBT）逆变器的触发脉冲是使用磁滞电流控制器生成的;在模拟卡上实现的。最后，通过信号流图和相应的分析说明了在稳态和瞬态条件下的上述研究。该研究通过基于dSPACE-1104的硬件原型的实验测试得到了验证。 （C）2014 Elsevier B.V.保留所有权利。

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