两类时变时滞系统的稳定性分析和控制设计
发布时间:2020-12-20 12:11
时滞是许多实际系统普遍存在的现象,也是直接影响和决定系统的稳定性和性能的关键因素。时滞可以是定常的、时变的或者随机的。目前,带有定常时滞的线性系统的稳定性分析研究已相对成熟,但关于时变时滞情形的研究依然存在很多问题。例如很难为时变时滞系统建立时滞依赖的系统稳定性的充分必要条件,因而寻求尽可能小保守性的稳定性条件尤为必要和重要。本文将聚焦两类时变时延时滞系统的稳定性分析和控制设计问题。一类是带有状态时变时滞的线性系统,其中时变时滞是连续可微的且时滞导数区间是可利用的。另一类是带有锯齿形区间输入时滞的线性系统,它用来建模带有事件触发机制和区间通讯时延的网络化控制系统。研究两类系统稳定性分析的主要难点在于如何充分利用时变时滞的可利用信息来构造合适的Lyapunov-Krasovskii泛函及相关的放大不等式技术。为此,本文具体研究内容开展如下:(1)针对带有时变时滞的线性连续系统,得到了时滞及时滞导数范围依赖的稳定性条件和控制设计结果。使用阶Legendre多项式与时变时滞信息提出了一个新的时滞依赖的增广Lyapunov-Krasovskii泛函,并松弛了泛函矩阵变量的正定约束。然后,使用一...
【文章来源】:山西大学山西省
【文章页数】:68 页
【学位级别】:硕士
【文章目录】:
摘要
ABSTRACT
Chapter 1 Introduction
1.1 Research background and significance
1.2 The art of state on time-delay systems and NCSs
1.2.1 Time-varying delay systems
1.2.2 Networked control systems
1.3 Main contributions
1.4 Notations
Chapter 2 Delay-and-delay-derivative-dependent stability conditions and controldesign results
2.1 Problem description and preliminaries
2.2 Main results
2.2.1 Delay-and-delay-derivative-dependent stability analysis results
2.2.2 LMI-based controller design conditions
2.3 Numerical examples
2.4 Summary
Chapter 3 Stability analysis and control design of NCSs: a discontinuous augmentedLKF method
3.1 Problem description and preliminaries
3.2 Main results
3.2.1 Sawtooth-like input delay dependent stability analysis results
3.2.2 Design conditions of the networked controller under event-triggeringtransmission scheme
3.3 Numerical examples
3.4 Summary
Chapter 4 Conclusions and prospects
4.1 Conclusions
4.2 Prospects
References
Published articles directory
Acknowledgements
个人简介
本文编号:2927842
【文章来源】:山西大学山西省
【文章页数】:68 页
【学位级别】:硕士
【文章目录】:
摘要
ABSTRACT
Chapter 1 Introduction
1.1 Research background and significance
1.2 The art of state on time-delay systems and NCSs
1.2.1 Time-varying delay systems
1.2.2 Networked control systems
1.3 Main contributions
1.4 Notations
Chapter 2 Delay-and-delay-derivative-dependent stability conditions and controldesign results
2.1 Problem description and preliminaries
2.2 Main results
2.2.1 Delay-and-delay-derivative-dependent stability analysis results
2.2.2 LMI-based controller design conditions
2.3 Numerical examples
2.4 Summary
Chapter 3 Stability analysis and control design of NCSs: a discontinuous augmentedLKF method
3.1 Problem description and preliminaries
3.2 Main results
3.2.1 Sawtooth-like input delay dependent stability analysis results
3.2.2 Design conditions of the networked controller under event-triggeringtransmission scheme
3.3 Numerical examples
3.4 Summary
Chapter 4 Conclusions and prospects
4.1 Conclusions
4.2 Prospects
References
Published articles directory
Acknowledgements
个人简介
本文编号:2927842
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