A fuzzy-logic-based controller for active rectifier

被引：35

作者：

Cecati, C ^{[1
]}

Dell'Aquila, A

Liserre, M

Ometto, A

机构：

[1] Univ Aquila, Dipartimento Ingn Elettr, I-67040 Laquila, Italy

[2] Politecn Bari, Dipartimento Elettrotecn & Elettron, I-70125 Bari, Italy

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2003年 / 39卷 / 01期

关键词：

feedforward systems; fuzzy logic control; power-factor control; switch-mode rectifiers;

D O I：

10.1109/TIA.2002.807227

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents a current-sensorless active rectifier specifically designed for low-cost applications. Both the control and the modulation use fuzzy logic. A simple model of the system is given in order to explain the current feedforward control using fuzzy logic and the fuzzy-logic-based modulation, then, the new algorithm is. analyzed looking for high performance even using small passive elements and low switching frequency. Performance are compared with those of a closed-loop proportional-plus-integral (PI)-based rectifier with space-vector modulation (SVM). This comparison has been carried out either considering the whole systems or a combination of their components (PI control + fuzzy modulation or fuzzy feedforward control + SVM). The results show that even without current sensors, the low-frequency distortion of the line currents and the dc voltage oscillations produced by the proposed system are very limited, ensuring performance similar to those of PI-based closed loop active rectifiers.

引用

页码：105 / 112

页数：8

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