Control and Optimization of Network in Networked Control System | Zendy

Zhiwen Wang | Zendy; Hongtao Sun | Zendy

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Control and Optimization of Network in Networked Control System

Author(s) -

Zhiwen Wang,

Hongtao Sun

Publication year - 2014

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2014/237372

Subject(s) - network congestion , bandwidth (computing) , quality of service , computer science , network traffic control , control theory (sociology) , lti system theory , quadratic equation , mathematical optimization , control (management) , computer network , linear system , mathematics , artificial intelligence , mathematical analysis , geometry , network packet

In order to avoid quality of performance (QoP) degradation resulting from quality of service (QoS), the solution to network congestion from the point of control theory, which marks departure of our results from the existing methods, is proposed in this paper. The congestion and bandwidth are regarded as state and control variables, respectively; then, the linear time-invariant (LTI) model between congestion state and bandwidth of network is established. Consequently, linear quadratic method is used to eliminate the network congestion by allocating bandwidth dynamically. At last, numerical simulation results are given to illustrate the effectiveness of this modeling approach

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