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Networked control system scheduling method based on game theory

A technology of network control system and scheduling method, applied in the field of network control system, can solve problems such as insufficient solution of NCSs problem and low utilization rate of network resources, and achieve the effect of improving utilization rate of network resources and fair and reasonable competition.

Active Publication Date: 2013-04-10
ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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  • Abstract
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Problems solved by technology

In addition, although the feedback scheduling method based on advanced control theory (such as fuzzy control, predictive control, adaptive control, etc.) can make the control system have high control performance, its network resource utilization is often low
[0006] When designing the resource scheduling method of NCSs, although most of the current studies have combined the control effect and the utilization of shared resources and achieved certain results in this regard, these results are still far from enough to solve the problems of NCSs in practical applications. Therefore, it is still necessary to combine new theoretical knowledge to explore the solution to the network resource scheduling problem

Method used

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  • Networked control system scheduling method based on game theory
  • Networked control system scheduling method based on game theory
  • Networked control system scheduling method based on game theory

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Embodiment Construction

[0019] The specific implementation of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0020] like figure 1 , figure 2 The technical solution of the present invention shown is a game theory-based network control system scheduling method. figure 1 The general structure of networked control system is given.

[0021] The essential problem solved by the scheduling of the network control system is to reasonably allocate limited network resources (such as bandwidth, buffer zone, frequency bandwidth, etc.). How to allocate limited network resources effectively and realize the potential value of resources to the greatest extent is a relatively mature issue in economics research.

[0022] NCSs contains multiple control lo...

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Abstract

The invention discloses a networked control system scheduling method based on a game theory. Steps of the networked control system scheduling method based on the game theory are that a non-cooperative game model of the networked control systems (NCSs) is structured; utility functions of each control loop in NCSs are confirmed; a optimal scheduling strategy is searched; existence and uniqueness of a Nash Equilibrium point is analyzed; the Nash Equilibrium point is solved by utilizing a hybrid adaptive genetic algorithm; a scheduler of the NCSs distributes network resources to each control loop again according to the optimal scheduling strategy of the Nash Equilibrium point. A scheduling mechanism of existing network resources is not depended on by utilizing the networked control system scheduling method based on a game theory. The networked control system scheduling method based on the game theory provides evidences for optimization of network service. The network resources can be used fully. Fair and reasonable competition of each control loop can be ensured. Phenomenon which resources are distributed too much or too little can be avoided. Network resources utilization rate can be improved in a certain degree.

Description

technical field [0001] The invention belongs to the technical field of network control systems, and relates to a network resource scheduling method. More specifically, the invention relates to a game theory-based network control system scheduling method. Background technique [0002] With the widespread application of computer network technology in the field of automatic control, a new networked, intelligent node, integrated information, and distributed control system—Networked Control Systems (NCSs) emerged as the times require. . Networked control meets the objective requirements of complex large-scale system control and remote control systems, and is the development direction of future control systems. Since NCSs are systems composed of control and network, their performance depends not only on the control strategy used, but also on the scheduling strategy of information in the network. The scheduling of NCSs is used to specify the order, sending time and time interval ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
Inventor 陈其工张海艳高文根李祖松鲍学礼王俊杰邵可可
Owner ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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