Improved Model Predictive Current Control for Single-Phase Cascaded H-bridge Rectifier

被引：0

作者：

Guo, Xifeng ^{[1
]}

Liang, Xue ^{[1
]}

Gao, Zhijun ^{[1
]}

Zhang, Rui ^{[1
]}

Cong, Wenzhuo ^{[1
]}

机构：

[1] Shenyang Jianzhu Univ, Sch Informat & Control Engn, Shenyang, Liaoning, Peoples R China

来源：

2019 CHINESE AUTOMATION CONGRESS (CAC2019) | 2019年

基金：

国家重点研发计划;

关键词：

single-phase cascaded H-bridge rectifier; model predictive control; optimal sector; Calculating quantity;

D O I：

10.1109/cac48633.2019.8996721

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 computational complexity of finite-controlset model predictive control (FCS-MPC) is a big obstacle to limit its application. In order to solve this problem, an improved model predictive current control (IMPCC) algorithm is proposed in this paper, which takes single-phase cascaded H-bridge rectifier (CHBR) as the research object. The algorithm abandons the on-line optimization of minimum objective function and uses the method of calculating the component of the reference voltage vector on the alpha. axis to determine the optimal sector. Without affecting the control performance of the system, the number of current predictions is reduced, and the computational complexity of model predictive current control (MPCC) algorithm is greatly reduced. Finally, MATLAB simulation experiments are built to verify the correctness and effectiveness of the proposed algorithm from both static and dynamic aspects.

引用

页码：2482 / 2487

页数：6

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