Improved Model Predictive Control Without Using Weighting Factor for Quasi-Z-Source Inverter

被引：3

作者：

Liu, Ping ^{[1
]}

Tong, Linlin ^{[1
]}

Chen, Zijian ^{[1
]}

Bilal, Omair ^{[1
]}

Huang, Shoudao ^{[1
]}

Li, Shanhu ^{[2
]}

机构：

[1] Hunan Univ, Coll Elect & Informat Engn, Changsha, Peoples R China

[2] Hebei Univ Technol, State Key Lab Reliabil & Intelligence Elect Equip, Tianjin, Peoples R China

来源：

6TH IEEE INTERNATIONAL CONFERENCE ON PREDICTIVE CONTROL OF ELECTRICAL DRIVES AND POWER ELECTRONICS (PRECEDE 2021) | 2021年

关键词：

model predictive control (MPC); quasi-Z-source inverter (qZSI); weighting factor; CONVERTERS; DRIVES;

D O I：

10.1109/PRECEDE51386.2021.9680891

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes an improved model predictive control (MPC) for quasi-Z-source inverter (qZSI) without the use of the weighting factor. First, the inductor current is controlled by its subcost function to prejudge the shoot-through (ST) state, therefore the computational power is saved. Then a new cost function is designed. As the capacitor voltage and the load current have the same order of magnitude, the weighting factor is avoided. Lastly, the effectiveness of the proposed MPC method is validated by MATALB/SIMULINK.

引用

页码：46 / 50

页数：5

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