Limit-cycle stable control of current-mode dc-dc converter with zero-perturbation dynamical compensation

被引：14

作者：

Lu, Wei Guo ^{[1
]}

Lang, Shuang ^{[1
]}

Li, Anxin ^{[1
]}

Iu, Herbert Ho-Ching ^{[2
]}

机构：

[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China

[2] Univ Western Australia, Sch Elect Elect & Comp Engn, Perth, WA 6009, Australia

来源：

INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 2015年 / 43卷 / 03期

基金：

中国国家自然科学基金;

关键词：

peak current-mode; Buck converter; limit-cycle stable control; dynamical compensation; Jacobian matrix; INSTABILITY; CHAOS;

D O I：

10.1002/cta.1942

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：

Regarding the non-limit-cycle instabilities, which commonly exist in the feedback-controlled switching power converters, a new zero-perturbation dynamical compensation method is proposed based on a simplified self-stable dynamical compensation condition in this paper. With a current-mode Buck converter as the subject of investigation, the corresponding self-stable perturbation control equation is given. At the same time, the system stability boundary is obtained based on the investigation of the system eigenvalues, and hence, the working range of control parameters is determined. Finally, the presented simulation and experiment results reveal that the new zero-perturbation dynamical compensation controller is easily realized with an analog circuit and it will not sacrifice the working range of the original reference current compared with the traditional slope compensation. Copyright (c) 2013 John Wiley & Sons, Ltd.

引用

页码：318 / 328

页数：11

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