A fixed-frequency pulsewidth modulation based quasi-sliding-mode controller for buck converters

被引：167

作者：

Tan, SC ^{[1
]}

Lai, YM ^{[1
]}

Tse, CK ^{[1
]}

Cheung, MKH ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Hong Kong, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2005年 / 20卷 / 06期

关键词：

buck converter; fixed-frequency; hysteresis-modulation; pulsewidth modulation (PWM); quasi-sliding-mode (QSM); sliding-mode (SM) control;

D O I：

10.1109/TPEL.2005.857556

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 the design and analysis of a fixed-frequency pulsewidth modulation (PWM)-based quasi-sliding-mode voltage controller for buck converters from a circuit design perspective. A practical design approach that aims at systematizing the procedure for the selection of the control parameters is presented. In addition, a simple analog form of the controller for practical realization is provided. The resulting controller exhibits the same structure as a PWM proportional derivative (PD) linear controller, but with an additional component consisting of the instantaneous input voltage and the instantaneous output voltage. Simulation and experimental results show that the performance of the converter agrees with the theoretical design.

引用

页码：1379 / 1392

页数：14

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