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Complex network synchronization control method under aperiodic DoS attack

A complex network and synchronous control technology, applied in transmission systems, electrical components, etc., to achieve the effects of saving network bandwidth resources, improving communication capabilities, and reducing burdens

Active Publication Date: 2021-06-18
NANJING UNIV OF SCI & TECH +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is also a challenging problem to study the event-triggered synchronization control of complex network systems under aperiodic DoS attacks

Method used

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  • Complex network synchronization control method under aperiodic DoS attack
  • Complex network synchronization control method under aperiodic DoS attack
  • Complex network synchronization control method under aperiodic DoS attack

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Embodiment Construction

[0104] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention All modifications of the valence form fall within the scope defined by the appended claims of the present application.

[0105] Such as figure 1 The shown synchronous control method for complex network systems attacked by aperiodic DoS comprises the following steps:

[0106] Step S1. Establish a complex network system model and a synchronization error model according to the state variables of the nodes, the control inputs of the nodes, the coupling strength, and the network matrix.

[0107] The established complex network system model is as follows:

[0108]

[0109] where x i (t...

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Abstract

The invention discloses a complex network synchronization control method under aperiodic DoS attack, and the method comprises the steps: firstly building a complex network system model and a synchronous error model, introducing an event triggering mechanism, building a network attack model based on the influence of the aperiodic DoS attack on network transmission data; designing a synchronization error model of the complex network under a non-periodic DoS attack and event triggering mechanism; utilizing a Lyapunov stability theory to obtain a sufficiency condition for ensuring the stability of a system index; and finally, solving a linear matrix inequality to obtain an event triggering parameter and a controller feedback gain. According to the method, network bandwidth resources can be effectively saved, the communication capability of a transmission channel is improved, and meanwhile, a networked system can be helped to keep stable operation when coping with network attacks; an event triggering mechanism is introduced, so that the burden of network transmission can be effectively reduced.

Description

technical field [0001] The invention relates to the technical field of network control, and mainly relates to a method for synchronously controlling complex network systems attacked by aperiodic DoS. Background technique [0002] In a networked system, the communication network can realize remote, flexible and economical control, but with the continuous surge of sampled data, network resources become more and more limited, resulting in system performance degradation. In order to alleviate the plight of limited resources, the event trigger mechanism is considered to be an effective way to save network resources due to its unique advantages. The main idea is that only when the corresponding trigger conditions are met, the current data can be transmitted, thus saving the network resource. In the past few years, many different event-triggered schemes have been applied to corresponding engineering systems, such as sensor networks, multi-agent systems, and so on. [0003] Despit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1458Y02D30/70
Inventor 曹杰申冬琴刘金良李燕赵慕阶
Owner NANJING UNIV OF SCI & TECH
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