A Simple Model Predictive Control for Buck Converter Operating in CCM

被引：0
|
作者：
Leng, Zhaoxia [1 ]
Liu, Qingfeng [1 ]
机构：
[1] Xian Univ Technol, Sch Automat & Informat Engn, Xian, Shaanxi, Peoples R China
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON PREDICTIVE CONTROL OF ELECTRICAL DRIVES AND POWER ELECTRONICS (PRECEDE) | 2017年
关键词：
Buck converter; discrete model; predictive control; simple strategy; on-line; DC-DC CONVERTER; BOOST CONVERTER;
D O I：
暂无
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：
A predictive control based on simplified discrete model is presented for Buck converter operating in CCM. The calculation of control decision is simple. The discrete model of converter is simplified by linearizing the model coefficient matrix. The predictive control value is deduced by substituting model states into objective function and minimizing the objective function. According to the error between the model output and the actual system output, the control error caused by the model simplification and the system parasitic parameters is modified only by adjusting the expected values in the objective function. Simulation and experiment results validate that the predictive control strategy can be realized online adopting digital way and the output voltage of converter can be controlled with fast and accurate response on various work conditions.
引用
收藏
页码：19 / 24
页数：6
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