Robust Digital Control for Interleaved PFC Boost Converter Using Approximate 2DOF

被引：0

作者：

Satake, Yuki ^{[1
]}

Furuya, Hiroyuki ^{[1
]}

Mochizuki, Yohei ^{[2
]}

Fukaishi, Yuji ^{[2
]}

Higuchi, Kohji ^{[2
]}

Chamnongthai, Kosin ^{[3
]}

机构：

[1] Univ Electrocommun, 1-5-1 Chofu Ga Oka, Chofu, Tokyo 1828585, Japan

[2] SANSHIN ELCTR CO LTD, Nerima ku, Tokyo 1760022, Japan

[3] KMUTT, Bangkok 10140, Thailand

来源：

2013 10TH INTERNATIONAL CONFERENCE ON ELECTRICAL ENGINEERING/ELECTRONICS, COMPUTER, TELECOMMUNICATIONS AND INFORMATION TECHNOLOGY (ECTI-CON) | 2013年

关键词：

Power factor correction (PFC); Boost converter; Approximate; 2DOF; Digital robust control; Micro-processor; CIRCUIT; DSP;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In recent years, improving of power factor and reducing harmonic distortion in electrical instruments are needed. In general, a current conduction mode boost converter is used for active PFC (Power Factor Correction). In a PFC boost converter, if a duty ratio, a load resistance and an input voltage are changed, the dynamic characteristics are varied greatly. This is the prime reason of difficulty of controlling the interleaved PFC boost converter. In this paper, a robust digital controller for suppressing the change of step response characteristics and variation of output voltage at a DC-DC buck converter load sudden change with high power factor and low harmonic is proposed. Experimental studies using a micro-processor for controller demonstrate that this type of digital controller is effective to improve power factor and to suppress output voltage variation.

引用

页数：5

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