Design of a Fuzzy PI Controller for Peak-to-Average Reduction in Output Current of LED Drivers

被引：0

作者：

Komsari, Armaghan Maleki ^{[1
]}

Saberkari, Alireza ^{[1
]}

Shahnazi, Reza ^{[1
]}

机构：

[1] Univ Guilan, Dept Elect Engn, Microelect Res Lab, Rasht, Guilan, Iran

来源：

9TH ANNUAL POWER ELECTRONICS, DRIVES SYSTEMS, AND TECHNOLOGIES CONFERENCE (PEDSTC2018) | 2018年

关键词：

flyback converter; electrolytic capacitor; fuzzy PI controller; PSO algorithm; peak-to-average ratio; THD; power factor; ELECTROLYTIC CAPACITOR;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents an optimal gain-scheduling fuzzy PI controller applied to an AC-DC discontinuous conduction mode (DCM) flyback converter to achieve a high performance electrolytic capacitor-less LED driver with high efficiency and high power factor. The proposed system consists of seven PI controllers for seven different load currents which are designed based on Particle Swarm Optimization (PSO) algorithm. By using the obtained data, a fuzzy system is trained to give suitable PI gains for any load condition. Employing the proposed controller significantly improves the peak-to-average ratio of the output current to 1.05 while the LED driver reaches to a high power factor of 90.8% and its input current THD is equal to 11.88% meeting the IEC 61000-3-2 class C standard.

引用

页码：116 / 121

页数：6

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