Nonlinear control of DC/DC converter based on energy-shaping principle

被引:0
|
作者
Yu, Haisheng [1 ]
Yu, Jinpeng [1 ]
Tian, Wie [1 ]
Wang, Yong [1 ]
机构
[1] Qingdao Univ, Sch Automat Engn, Qingdao, Peoples R China
关键词
DC/DC converter; energy-shaping; port-controlled Hamiltonian systems; nonlinear control;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A novel energy-shaping controller design technique is applied to the output voltage control of DC/DC converter. Based on the average dynamic model of the power converter, the port-controlled Hamiltonian (PCH) model of DC/DC converter is established. The passive control scheme of DC/DC converter is presented assigning a storage function with a minimum at the desired equilibrium. The controller is designed based on the interconnection and damping matrix assignment. The closed-loop energy function can be used as Lyapunov (or storage) function rendering more transparent the stability analysis. The PCH structure of the system is preserved in closed-loop. The simulation results show that the proposed scheme has a good performance and practical application prospect.
引用
收藏
页码:1098 / 1102
页数:5
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