Extended Filippov's Method for Stability Analysis of Digitally Controlled DC-DC Converters

被引：2
作者：
Ning, Jian [1 ,2 ]
Sun, Yao [1 ,2 ]
Lin, Jianheng [1 ,2 ]
Xu, Guo [1 ,2 ]
Su, Mei [1 ,2 ]
机构：
[1] Cent South Univ, Sch Automat, Changsha 410083, Peoples R China
[2] Hunan Prov Key Lab Power Elect Equipment & Grid, Changsha 410083, Peoples R China
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2024年 / 71卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Dc-dc converters; digital control; nonlinear dynamics; stability analysis; BOOST CONVERTER; POWER; BIFURCATION;
D O I：
10.1109/TIE.2023.3323733
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The same as Poincare map, Filippov's method is also an effective method to analyze the stability of power converters. Moreover, it is easier to implement. However, the existing Filippov's method is designed only for analog-controlled converters. To expand its application fields, an extended Filippov's method is presented for digitally controlled dc-dc converters. The closed-form expression of the monodromy matrix of a general digitally controlled dc-dc converter is established. Based on the obtained monodromy matrix, the stability of the digitally controlled dc-dc converter can be assessed easily. Finally, the correctness of the proposed method is experimentally verified by two classic dc-dc converters.
引用
收藏
页码：9426 / 9435
页数：10
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