Design and Experimental Assessment of a Robust Voltage Control for DC-DC Converters Considering Components Parametric Uncertainties

被引：16

作者：

Rocha, Erick Melo ^{[1
]}

Barra, Walter, Jr. ^{[1
]}

Lucas, Kevin E. ^{[2
,3
]}

Medeiros, Renan L. P. ^{[4
]}

Vaca-Benavides, David Alejandro ^{[3
]}

机构：

[1] Fed Univ Para UFPA, Fac Elect Engn, BR-66075900 Belem, Para, Brazil

[2] Fed Univ Santa Catarina UFSC, Dept Automat & Syst, BR-88040900 Florianopolis, SC, Brazil

[3] ESPOL Polytech Univ, Fac Elect & Comp Engn, Guayaquil 09015863, Ecuador

[4] Fed Univ Amazonas UFAM, Dept Elect, BR-69080900 Manaus, Amazonas, Brazil

来源：

IEEE ACCESS | 2020年 / 8卷 / 08期

关键词：

Uncertainty; Buck converters; Robustness; Voltage control; Stability analysis; Mathematical model; Buck converter; dc-dc converter; frequency-domain; power electronics; parametric uncertainties; robust control; SLIDING MODE CONTROL; POWER CONVERTERS; STABILITY; SYSTEM;

D O I：

10.1109/ACCESS.2020.2997014

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This study presents the design and evaluation of a robust controller, based on frequency-domain, in order to enhance the performance of dc-dc power converters under parametric uncertainties. This robust control approach takes into account all possible uncertainties in the system such as load and input voltage variations. Thereby, the robust controller design is based on the constraints of the gain and/or phase margins delimited by these uncertainties in order to ensure robust performance and stability of the system. Assessments on the performance of the proposed robust control are conducted. Comparisons with other control methods are also provided. Experimental validations on a dc-dc buck converter system test board are carried out to verify the theoretical claims.

引用

页码：109217 / 109231

页数：15

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