区域极点配置静态输出反馈可靠控制研究

发布时间：2018-01-14 23:24

本文关键词：区域极点配置静态输出反馈可靠控制研究　出处：《沈阳师范大学》2017年硕士论文　论文类型：学位论文

【摘要】：在实际工作生活和生产中,一些大型机器经常会出现因为某个部位发生故障而使整个工程陷入瘫痪,给工业生产带来巨大的损失,这种现状使可靠控制的研究已经迫在眉睫。可靠控制是考虑可能会出现故障的前提下设计出一个控制器,这个控制器可以使系统无论是否发生故障,整个系统都可以保持稳定。可靠控制的研究近几年已经逐渐成熟,但是人们发现在一些精密的机器中我们对控制器的要求会更高,我们不但需要系统稳定更需要它具有良好的瞬时特性,在不断的研究中学者们发现系统的瞬时特性与它极点的位置密切相关,为了让系统的极点分布在我们要求的区域内,前辈们引入了区域极点配置,区域极点配置可以将极点控制在给定的区域内从而得到我们想要的瞬时特性。目前在控制领域的研究中很大一部分是针对状态反馈控制器的研究,随着科技的发展计算软件的不断开发,动态输出反馈控制器也逐渐进入控制领域。在状态反馈控制的研究中,我们发现系统中的各种状态不是都可测的,这使我们对控制器的研发造成了巨大的困难;针对动态输出控制我们发现它会构造一个相对复杂的闭环系统,这对我们解决问题产生了很多困扰。然而对于静态输出反馈而言,它的输出量便是我们需要的反馈量,并且其闭环系统的运算也很简洁。区域极点配置、可靠控制与静态输出三者相结合的研究思想,为现代控制理论的研究开发出一条更加新颖的道路。本文的研究内容主要是:第一章绪论陈述了本文的研究方向,即可靠控制、静态输出反馈、区域极点配置和线性矩阵不等式的概况。第二章数学基础知识介绍了本文所运用到基本概念和引理。第三章探究在执行器故障的基础上,对线性系统进行圆形区域极点配置静态输出反馈可靠控制器的方案设计、算例以及仿真。第四章研究了执行器故障模型下,不确定系统圆形区域极点配置可靠的静态输出反馈控制器的设计原理及仿真算例。
[Abstract]:In the actual work, life and production, some large machines often appear because of a fault in one part of the project to paralyze the whole project, to the industrial production brought huge losses. This situation makes the research of reliable control imminent. Reliability control is to design a controller under the consideration of possible failure, which can make the system failure or not. The whole system is stable. The study of reliable control has matured in recent years, but it has been found that in some sophisticated machines we have higher requirements for controllers. We need not only the stability of the system but also its good instantaneous characteristics. In the continuous research, scholars find that the instantaneous characteristics of the system are closely related to the position of its poles. In order to distribute the poles of the system in the region we require, the predecessors introduced the regional pole configuration. Regional pole placement can control the poles in a given region to obtain the desired instantaneous characteristics. At present, a large part of the research in the field of control is focused on the state feedback controller. With the development of science and technology, the dynamic output feedback controller has gradually entered the field of control. In the research of state feedback control, we find that all kinds of states in the system are not measurable. This makes it difficult for us to develop the controller. For dynamic output control, we find that it will construct a relatively complex closed-loop system, which has a lot of problems for us to solve the problem, but for static output feedback. Its output is the feedback we need, and its closed-loop system operation is very simple, regional pole configuration, reliable control and static output of the three research ideas. For the study of modern control theory to develop a more novel road. The main research content of this paper is: the first chapter describes the research direction of this paper, that is, by control, static output feedback. Introduction of regional pole assignment and linear matrix inequality. Chapter two introduces the basic concepts and Lemma used in this paper. Chapter three explores the basis of actuator failure. The scheme design, calculation example and simulation of the static output feedback reliable controller with circular region pole placement for linear system are carried out. Chapter 4th studies the actuator fault model. Design principle and simulation example of static output feedback controller with reliable pole placement in circular region of uncertain system.
【学位授予单位】：沈阳师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TP13

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