Robust Operation of Four-Leg Voltage Source Inverter Using Model-Free Predictive Control

IF 1.6 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Abualkasim Bakeer, Abderahmane Abid, Hani A. Albalawi, Gaber Magdy, Andrii Chub, Sherif A. Zaid
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引用次数: 0

Abstract

This paper presents a novel model-free predictive control (MFPC) approach for precise voltage control in four-leg voltage-source inverters (4L-VSI). MFPC eliminates the need for complex system models, unlike traditional model predictive control (MPC) methods. It leverages the ultra-local model for controlled variable estimation, enabling robust performance without prior model information. The core contribution lies in a comprehensive mathematical model for the proposed MFPC strategy, encompassing all possible 4L-VSI switching states. This is contrasted with a detailed analysis of conventional MPC limitations for 4L-VSI control. Simulation results validate the effectiveness of MFPC in achieving accurate voltage control without explicit modeling. Furthermore, MFPC demonstrates superior robustness against parameter variations and model mismatches compared to conventional MPC. Hardware-in-the-loop testing with the RT-BOX platform strengthens the theoretical analysis. The achieved total harmonic distortion of 1.86% confirms compliance with IEEE standards, showcasing the practical effectiveness of the proposed MFPC approach.

Abstract Image

使用无模型预测控制的四脚电压源逆变器稳健运行
本文介绍了一种新颖的无模型预测控制(MFPC)方法,用于四脚电压源逆变器(4L-VSI)的精确电压控制。与传统的模型预测控制 (MPC) 方法不同,MFPC 无需复杂的系统模型。它利用超局部模型进行受控变量估算,从而在没有先验模型信息的情况下实现稳健的性能。其核心贡献在于为所提出的 MFPC 策略建立了一个全面的数学模型,涵盖了所有可能的 4L-VSI 开关状态。这与对 4L-VSI 控制的传统 MPC 限制的详细分析形成了对比。仿真结果验证了 MFPC 在无需明确建模的情况下实现精确电压控制的有效性。此外,与传统 MPC 相比,MFPC 对参数变化和模型失配的鲁棒性更强。利用 RT-BOX 平台进行的硬件在环测试加强了理论分析。1.86% 的总谐波失真符合 IEEE 标准,展示了所提出的 MFPC 方法的实际效果。
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来源期刊
Journal of Electrical Engineering & Technology
Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
4.00
自引率
15.80%
发文量
321
审稿时长
3.8 months
期刊介绍: ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.
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