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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Chao Wang,Chunxia Fan,Lunsai Gong.Fault Tolerant Synchronization for a General Complex Dynamical Network with Random Delay[J].Journal of Harbin Institute Of Technology(New Series),2017,24(1):51-56.DOI:10.11916/j.issn.1005-9113.15242.
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Fault Tolerant Synchronization for a General Complex Dynamical Network with Random Delay
Author NameAffiliation
Chao Wang College of Automation, Nanjing University of Posts and Telecommunications, Nangjing 210023, China 
Chunxia Fan College of Automation, Nanjing University of Posts and Telecommunications, Nangjing 210023, China 
Lunsai Gong College of Automation, Nanjing University of Posts and Telecommunications, Nangjing 210023, China 
Abstract:
A fault tolerant synchronization strategy is proposed to synchronize a complex network with random time delays and sensor faults. Random time delays over the network transmission are described by using Markov chains. Based on the Lyapunov stability theory and stochastic analysis, several passive fault tolerant synchronization criteria are derived, which can be described in the form of linear matrix inequalities. Finally, a numerical simulation example is carried out and the results show the validity of the proposed fault tolerant synchronization controller.
Key words:  complex dynamical network  fault tolerant control  synchronization  random delay  sensor faults
DOI:10.11916/j.issn.1005-9113.15242
Clc Number:TP273
Fund:
Descriptions in Chinese:
  

一般随机时延耦合复杂动态网络的容错同步

王超,樊春霞,巩伦赛

(南京邮电大学自动化学院)

创新点说明:

针对一般复杂动态网络,考虑网络节点间发生随机时延,通过设计同步控制器使网络节点达到同步;进一步考虑所设计的同步控制器存在传感器故障,利用容错控制理论,改进外部控制器,使得网络节点状态在容错同步控制器作用下再次达到同步。

研究目的:

本文主要解决了存在传感器故障的的随机时延耦合复杂网络的同步控制。

研究方法:

本文在理论推导过程中主要使用了容错控制理论、随机分析方法以及李雅普诺夫稳定性定理;在仿真模块主要使用了Matlab仿真软件。

结果:

本文针对带有传感器故障的随机时延耦合复杂网络,研究设计出容错同步控制器使得网络节点状态达到同步。

结论:

1、本文研究随机时延耦合复杂网络的同步问题,而不是简单的带有固定时延复杂网络的同步控制,符合目前绝大多数网络特性,具有普遍性和现实意义;

2、基于随机时延耦合复杂网络的同步控制问题,同时又考虑了外部控制器中可能存在的传感器或是执行器故障,充分考虑了现实系统中的各种不确定性;同时使用容错控制理论与网络同步控制相结合,改进同步控制器,提高网络同步能力,十分具有研究意义。

关键词:复杂网络同步,容错控制,随机时延,传感器故障

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