PERFORMANCE ENHANCEMENT OF SWITCHED AFFINE SYSTEMS BY SWITCHED QUADRATIC LYAPUNOV FUNCTIONS: APPLICATIONS IN DC-DC CONVERTERS

被引：0
作者：
Yoshimura, Victor L. [1 ]
Assuncao, Edvaldo [2 ]
Teixeira, Marcelo C. M. [2 ]
Mainardi Junior, Edson I. [3 ]
机构：
[1] IFMT Inst Fed Educ Ciencia & Tecnol Mato Grosso, BR-78005200 Cuiaba, MT, Brazil
[2] Univ Estadual Paulista, UNESP, Fac Engn, BR-15385000 Ilha Solteira, SP, Brazil
[3] Inst Fed Educ Ciencia & Tecnol Catarinense, BR-89560000 Videira, SC, Brazil
来源：
2013 BRAZILIAN POWER ELECTRONICS CONFERENCE (COBEP) | 2013年
关键词：
Switched Affine Systems; DC-DC converters; Lyapunov functions; Linear Matrix Inequalities; performance evaluation; CONTROL DESIGN; STABILITY; STABILIZABILITY; STABILIZATION;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper proposes design methodologies to include the convergence rate to Switched Affine Systems, intending to reduce the current overshoot in DC-DC converters. The initial step consists in finding Lyapunov matrices for the convergence rate insertion. However, it is observed that the overshoot enhancement leads to the convergence rate deterioration and vice versa. In order to achieve a good trade-off, a new state-dependent switching law is proposed to further enhance the performance, which consists in taking a state-dependent function to change the Lyapunov matrix. In order to show the effectiveness of these techniques, designs and simulations were developed for the buck-boost converter.
引用
收藏
页码：311 / 318
页数：8
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