Electronics, Communication & Automation Technology

Distributed Sampled-data Control of Cyber-physical Systems
 

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  •  School of Automation Science and Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China
黄俊华( 1987-) ,男,博士生,主要从事网络化控制系统研究

Received date: 2018-04-03

  Revised date: 2018-08-31

  Online published: 2019-01-02

Supported by

Supported by the Joint Fund of the National Natural Science Foundation of China and the Guandong Provincial Natural Science Foundation( U1401253) , the National Natural Science Foundation of China( 61174070) and the Applied Science and Technology Research Special Fund of Guangdong Province( 2016B090927007) 

Abstract

 A new distributed sampled-data control scheme was proposed for the problem of cooperative sampled-data control for cyber-physical systems ( CPS) . Firstly,the physical process and data information processing in CPS were modeled as a set of coupled and correlated subsystems and a set of controllers that can communicate with each other. Then the Lyapunov-Krasovskii functional was constructed by virtue of the input delay method,and the stability of the system was studied. Based on the theory of stability,sufficient condition on the sampled-data control of the CPS was derived,and a distributed sampling control algorithm was designed on this basis. Numerical simulation results show that: when the communication connection of the controller is equivalent to the coupling degree of the system,the gain of the subsystem controller with strong coupling degree is small; when the maximum sampling time increases,the control constraint quantity of the controller increases. The proposed algorithm can reasonably allocate controller resources in CPS according to the coupling relation of physical processes.

Cite this article

HUANG Junhua XU Bugong CHEN Liding .

Distributed Sampled-data Control of Cyber-physical Systems
 
[J]. Journal of South China University of Technology(Natural Science), 2019 , 47(2) : 31 -40 . DOI: 10.12141/j.issn.1000-565X.180163

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