摘 要
在我们日常生活中,重复控制逆变器随处可见,因为其相比其他变换器而
言结构相对简单,运行稳定且便于维修等优势,最重要的是重复控制逆变器在
并网方面具有很好的优势。随着自动控制技术和微电子技术的不断革新,目前
的技术水平为实现重复控制逆变器调节控制打下坚实的基础,提供扎实的理论
依据。
本次设计主要以重复控制逆变器控制系统设计应用作为研究背景,运用
MATLAB/Simulink 仿真工具搭建相应的仿真模型。重复控制逆变器控制系统拥
有很好的动态特性,运行稳定性高、调速的范围较大,性能可靠等,在实际生
产制造中被广泛的应用。该模型仿真设计对重复控制逆变器 PWM 波可逆控制方
法,通过 Matlab/Simulink 仿真软件搭建仿真模型,运行仿真,并对仿真结果
进行了分析。经过对控制系统进行仿真,可以明显的看出,重复控制逆变器控
制系统响应快,没有超调量,运行稳定,抗外界干扰能力强等特点。
深入学习重复控制逆变器的整体结构和分类,针对重复控制逆变器控制系
统当做研究对象。在对重复控制逆变器控制系统工作原理和各个部分的数学模
型进行深入研究的基础上,在 MATLAB/SIMULINK 对不同部件的传递原理和数学
模型进行了深入的研究,建立重复控制逆变器控制系统动力学模型,通过仿真
结果验证,可以比较各种策略与方案,优化并确定相关参数。最后,对重复控
制逆变器控制系统分析方法进行了详细比较分析,为科学决策提供可靠的依
据。
本次设计经过模型搭建、仿真验证,在学习掌握重复控制逆变器工作特性
的同时,参考得到的仿真结果,为更进一步的设计开发新的产品奠定坚实的基
础。
关键词:重复控制,并网变换器,滤波器,建模与仿真
Abstract
In our daily life, repeated control inverter can be seen everywhere, because
compared with other converters, its structure is relatively simple, stable operation and
easy to maintain and other advantages, the most important is that the repeated control
inverter has a good advantage in grid-connection.With the continuous innovation of
automatic control technology and micro-electronic technology, the current technical
level lays a solid foundation for the realization of repetitive control inverter regulation
control, and provides a solid theoretical basis.
The design of the repeated control inverter control system design and application
as the research background, using Matlab /Simulink simulation tools to build the
corresponding simulation model.Repetitive control inverter control system has good
dynamic characteristics, high operation stability, speed range is large, reliable
performance, etc., in the actual production and manufacturing is widely used.The
simulation design of the model is to build a simulation model through MATLAB
/Simulink simulation software for the reversible control method of PWM wave of the
repetitive control inverter, and run the simulation, and analyze the simulation
results.After the simulation of the control system, it is obvious that the repeated
control inverter control system has the characteristics of fast response, no overshoot,
stable operation, strong anti-interference ability and so on.
Further study the overall structure and classification of the repeated control
inverter, and take the control system of the repeated control inverter as the research
object.On repetitive control inverter control system working principle and the
mathematical model of each part, on the basis of in-depth study, in the
MATLAB/SIMULINK for different parts of the transmission principle and
mathematical model studied, repetitive control inverter control system dynamics
model is established, through the simulation results show, you can compare all kinds
of strategy and plan,Optimize and determine relevant parameters.Finally, the analysis
methods of the control system of the repeatable control inverter are compared and
analyzed in detail, which provides a reliable basis for scientific decision-making.
This design after model building, simulation verification, in learning to master
the repeated control inverter working characteristics at the same time, reference to the
simulation results, for further design and development of new products to lay a solid
foundation.
Key words: Repetitive control, grid-connected converters, filters, modeling and
simulation
目录
摘要....................................................................................................................1
第一章 绪论 ............................................................................................................4
1.1 概述................................................................................................................5
1.2 课题研究的现状.........................................................................................7
1.3 逆变器控制技术的研究现状 ..................................................................9
1.4 仿真工具 MATLAB/Simulink 简介....................................................10
1.5 课题的研究内容及章节安排................................................................12
第二章 重复控制理论研究...............................................................................13
2.1 引言 .............................................................................................................13
2.2 重复控制的基本思想 .............................................................................13
2.3 重复控制器性能分析 .............................................................................17
2.3.1 稳定性分析 ........................................................................................17
2.3.1 谐波抑制分析....................................................................................19
2.4 内模控制和重复控制 .............................................................................19
第三章 分布式发电系统中重复控制技术研究 ..........................................20
3.1 单单相并网逆变器系统概述................................................................20
3.2 逆变器的稳态分析..................................................................................22
第四章 重复控制逆变器系统仿真.................................................................26
4.1 重复控制逆变器系统仿真模型 ............................................................26
4.2 仿真输出波形及分析...............................................................................27
4.3 本章小结...................................................................................................30
第五章 结束语 ....................................................................................................30
参考文献................................................................................................................31
致 谢 ....................................................................................................................33