本文關(guān)鍵詞：區(qū)域極點配置靜態(tài)輸出反饋可靠控制研究　出處：《沈陽師范大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 區(qū)域極點配置 可靠控制 靜態(tài)輸出反饋 執(zhí)行器故障 線性矩陣不等式

【摘要】：在實際工作生活和生產(chǎn)中,一些大型機器經(jīng)常會出現(xiàn)因為某個部位發(fā)生故障而使整個工程陷入癱瘓,給工業(yè)生產(chǎn)帶來巨大的損失,這種現(xiàn)狀使可靠控制的研究已經(jīng)迫在眉睫�？煽靠刂剖强紤]可能會出現(xiàn)故障的前提下設(shè)計出一個控制器,這個控制器可以使系統(tǒng)無論是否發(fā)生故障,整個系統(tǒng)都可以保持穩(wěn)定�？煽靠刂频难芯拷鼛啄暌呀�(jīng)逐漸成熟,但是人們發(fā)現(xiàn)在一些精密的機器中我們對控制器的要求會更高,我們不但需要系統(tǒng)穩(wěn)定更需要它具有良好的瞬時特性,在不斷的研究中學(xué)者們發(fā)現(xiàn)系統(tǒng)的瞬時特性與它極點的位置密切相關(guān),為了讓系統(tǒng)的極點分布在我們要求的區(qū)域內(nèi),前輩們引入了區(qū)域極點配置,區(qū)域極點配置可以將極點控制在給定的區(qū)域內(nèi)從而得到我們想要的瞬時特性。目前在控制領(lǐng)域的研究中很大一部分是針對狀態(tài)反饋控制器的研究,隨著科技的發(fā)展計算軟件的不斷開發(fā),動態(tài)輸出反饋控制器也逐漸進入控制領(lǐng)域。在狀態(tài)反饋控制的研究中,我們發(fā)現(xiàn)系統(tǒng)中的各種狀態(tài)不是都可測的,這使我們對控制器的研發(fā)造成了巨大的困難;針對動態(tài)輸出控制我們發(fā)現(xiàn)它會構(gòu)造一個相對復(fù)雜的閉環(huán)系統(tǒng),這對我們解決問題產(chǎn)生了很多困擾。然而對于靜態(tài)輸出反饋而言,它的輸出量便是我們需要的反饋量,并且其閉環(huán)系統(tǒng)的運算也很簡潔。區(qū)域極點配置、可靠控制與靜態(tài)輸出三者相結(jié)合的研究思想,為現(xiàn)代控制理論的研究開發(fā)出一條更加新穎的道路。本文的研究內(nèi)容主要是:第一章緒論陳述了本文的研究方向,即可靠控制、靜態(tài)輸出反饋、區(qū)域極點配置和線性矩陣不等式的概況。第二章數(shù)學(xué)基礎(chǔ)知識介紹了本文所運用到基本概念和引理。第三章探究在執(zhí)行器故障的基礎(chǔ)上,對線性系統(tǒng)進行圓形區(qū)域極點配置靜態(tài)輸出反饋可靠控制器的方案設(shè)計、算例以及仿真。第四章研究了執(zhí)行器故障模型下,不確定系統(tǒng)圓形區(qū)域極點配置可靠的靜態(tài)輸出反饋控制器的設(shè)計原理及仿真算例。
[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.
【學(xué)位授予單位】：沈陽師范大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TP13

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