Desing of controller H∞ with unstructured uncertainty, for a boost DC - DC converter

被引：0

作者：

Devia-Narvaez, Diana Marcela ^{[1
]}

Ospina-Ospina, Rogelio ^{[2
]}

Devia-Narvaez, Diego Fernando ^{[3
]}

机构：

[1] Univ Tecnol Pereira, Dept Matemat, Bogota, Colombia

[2] Univ Ind Santander, Dept Fis, Ciencia Mat Biol & Semicond, Santander, Spain

[3] Univ Tecnol Pereira, Dept Matemat, Grp Ecuac Diferenciales & Aplicac GREDYA, Bogota, Colombia

来源：

UIS INGENIERIAS | 2021年 / 20卷 / 02期

关键词：

H-infinity controller; DC-DC boost converter; Bode diagram; effectiveness; efficiency; estimation; uncertainty; open loop; closed loop; state space method; power; non-linear systems; ROBUST;

D O I：

10.18273/revuin.v20n2-2021004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper proposes a desing of a boost-type DC-DC converter, based on a state space model and calculation of a controller with multiplicative unstructured uncertainty. Performance of the converter at low frequencies was analyzed; as well, weight of the weighting function was adjusted, to reduce noise at certain frequencies. Results of system simulation, in open loop and closed loop, demostrate that the designed controller allows modifying cutoff frequency, through the variation of weighting functions. It is concluded that this technique optimizes dynamics behavior of the system.

引用

页码：45 / 52

页数：8

共 15 条

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