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
收藏
页码：83 / 88
页数：6
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