Control of Hopf bifurcation in the one-cycle controlled Boost converter and its experimental implementation

被引：5
|
作者：
Ma Wei [1 ]
Wang Ming-Yu [1 ]
Nie Hai-Long [1 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China
来源：
ACTA PHYSICA SINICA | 2011年 / 60卷 / 10期
关键词：
washout filter; one cycle control; Boost converter; Hopf bifurcation; CHAOTIC CONTROL; FILTER;
D O I：
10.7498/aps.60.100202
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The one-cycle controlled Boost converter is analyzed by using its averaged model. The results show that the one-cycle controlled Boost converter loses stability via a supercritical Hopf bifurcation, which may jeopardize the performance of the converter. A washout filter is proposed in this paper to suppress the Hopf bifurcation. This method can be easily implemented due to the structure of the one-cycle controlled Boost converter. The averaged model of the washout filter-aided one cycle controlled Boost converter is derived. Two new parameters in the washout filter can be chosen by Routh-Hurwitz stability criterion. The washout filter-aided method is verified by simulation and experiment.
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页数：8
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