基于非线性扰动观测器的三相逆变器模型预测电压控制

程勇; 周泽宇; 杜光辉; 朱群

doi:10.19912/j.0254-0096.tynxb.2025-0658

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基于非线性扰动观测器的三相逆变器模型预测电压控制

更新时间：2026-10-15

- 基于非线性扰动观测器的三相逆变器模型预测电压控制
- Vol. 47, Issue 9, Pages: 473-481(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2025-0658
  CLC： TM464
- Online First：10 October 2026，
  
  Published：2026
- 稿件说明：
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程勇, 周泽宇, 杜光辉, et al. 基于非线性扰动观测器的三相逆变器模型预测电压控制[J]. 2026, 47(9): 473-481.
DOI：

程勇, 周泽宇, 杜光辉, et al. 基于非线性扰动观测器的三相逆变器模型预测电压控制[J]. 2026, 47(9): 473-481. DOI： 10.19912/j.0254-0096.tynxb.2025-0658.

摘要

为解决传统模型预测控制在参数变化时难以保证预测准确性的问题

提出一种基于非线性扰动观测器的模型预测电压控制策略。首先设计出一种用于三相逆变器的非线性扰动观测器

通过检测逆变器侧电流和负载端电压对负载电流进行实时观测

抑制参数扰动

保证预测结果正确性。其次

针对参考电压获取不合理的问题

利用下垂控制获取参考电压。随后结合逆变器电容电压模型与参数扰动估计量重构电压预测方程

优化价值函数设计

减少计算量并提升系统的控制性能。最后

通过仿真与实验验证了所设计非线性扰动观测器及所提电压控制策略的正确性。

Abstract

To address the problem that traditional model predictive control cannot maintain prediction accuracy when parameters change

a model predictive voltage control strategy incorporating a nonlinear disturbance observer is proposed. First

a nonlinear disturbance observer is designed for three-phase inverters. It utilizes measurements of the inverter-side current and load terminal voltage to estimate the load current in real time

thereby suppressing parameter disturbances and ensuring the accuracy of prediction results. Second

to solve the problem of unreasonable reference voltage acquisition

a droop control method is adopted to generate the reference voltage. Subsequently

combining the inverter capacitor voltage model with parameter disturbance estimation

the voltage prediction equation is reformulated. The value function is also optimized to reduce computational load and enhance the control performance of the system. Finally

simulations and experiments verify the effectiveness of the designed nonlinear disturbance observer and the proposed voltage control strategy.

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references

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