Development of a state feedback controller for the synchronous buck converter

被引：0

作者：

Oliva, A ^{[1
]}

Chiacciuarini, H ^{[1
]}

Bortolotto, G ^{[1
]}

机构：

[1] Univ Nacl Sur, Dto Ingn Elect & Comp, Inst Inv & Ing Elect Alfredo Desages, RA-8000 Bahia Blanca, Argentina

来源：

LATIN AMERICAN APPLIED RESEARCH | 2005年 / 35卷 / 02期

关键词：

switch-mode power supplies; digital control; buck converter;

D O I：

暂无

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A digital control algorithm for a current-mode (CM) and a voltage-mode (VM) synchronous buck converter (SBC) is developed. In both cases, the design leads to a stable controller, even for a duty cycle larger than 50%. The desired output voltage and the transient response can be independently specified. Moreover, zero steady-state error in the output voltage can be obtained with the aid of additional dynamics. In both cases, the specification is done by pole placement using complete state feedback. A discrete-time model is used to design the feedback gains. Both the stability and the small-signal transient response are analyzed. In another paper (Oliva et al., 2003) the control algorithms are experimentally validated with a DSP-controlled SBC.

引用

页码：83 / 88

页数：6

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