Hybrid Model Predictive Control of DC–DC Boost Converters With Constant Power Load

Zeinab Karami; Qobad Shafiee; Subham SahooMeysam YaribeygiHassan BevraniTomislav Dragicevic

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Hybrid Model Predictive Control of DC–DC Boost Converters With Constant Power Load

机译：Hybrid Model Predictive Control of DC–DC Boost Converters With Constant Power Load

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This article presents a hybrid model predictive controller to ensure dc microgrid stability and enhance the performance of dc-dc boost converters interfaced with constant power loads (CPLs) in a hybrid system. Hybrid systems are dynamic systems with both continuous current mode and discontinuous current mode states. The main purpose in this article is to develop an advanced control technique for voltage regulation and stabilization of the converters in the presence of CPLs due to serious stability concerns, without considering the accurate modelling information of the system. In this regard, an automatic model, considering different modes of operation induced by semiconductor switches in dc-dc boost converters and highly non-linear nature of CPL is employed to design the proposed control approach. The non-linear CPL connected directly to a dc-dc boost converter is utilized to define an optimal tracking control problem by minimizing a finite-prediction horizon cost function, which is known as a finite control set MPC. The proposed controller, which is implemented in both continuous and discontinuous current modes, accounts for the regulation of output voltage within the predefined range. The effectiveness of the proposed hybrid model predictive control is verified using a comparative evaluation with discrete-time averaged model predictive control, continuous control set MPC, and the conventional PI control under experimental conditions. The results authenticate an improved dynamic performance, which can be applied to practical dc microgrids with CPLs.

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《IEEE Transactions on Energy Conversion》 |2021年第2期|1347-1356|共10页
作者
Zeinab Karami; Qobad Shafiee; Subham SahooMeysam YaribeygiHassan BevraniTomislav Dragicevic;
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作者单位

Department of Electrical Engineering, Technical University of Denmark, Copenhagen, Denmark;

Smart/Micro Grids Research Center, Department of Electrical Engineering, University of Kurdistan, Sanandaj, P.C, Iran;

Department of Energy Technology, Aalborg University, Aalborg, DenmarkEE Department, K. N. Toosi University of Technology, Tehran, P.C, Iran;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类电工技术;
关键词
Control systems; Voltage control; Predictive models; Power system stability; Power electronics; Switches; Stability criteria; Automatic model; constant power load; dc microgrid; dc-dc boost converter; hybrid model predictive control; optimal control;

Hybrid Model Predictive Control of DC–DC Boost Converters With Constant Power Load

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