Attack and defense evolution method of uploading channel under DoS attack in microgrid secondary control

A secondary control and attacking technology, applied in the transmission system, complex mathematical operations, electrical components, etc., can solve the problems of manpower, technical cost waste, and inability to actively avoid network attacks

Active Publication Date: 2021-02-26
NANJING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

[0005] In the existing technology, when responding to DoS attacks, most microgrids adopt passive defense strategies, that is, to respond to attacks by adding side operations or implementing emergency repairs after the attack occurs. Obviously, such defense methods cannot actively avoid network attacks. Moreover, it will cause a great waste of manpower and technical costs during the operation process.

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  • Attack and defense evolution method of uploading channel under DoS attack in microgrid secondary control
  • Attack and defense evolution method of uploading channel under DoS attack in microgrid secondary control
  • Attack and defense evolution method of uploading channel under DoS attack in microgrid secondary control

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Embodiment Construction

[0075] The invention discloses an attack and defense evolution method in the case that the upload channel is attacked by DoS in the secondary control process of the micro-grid, and the specific scheme is as follows.

[0076] Such as figure 1 As shown, an attack and defense evolution method under the DoS attack on the upload channel in the secondary control of the micro-grid includes the following steps:

[0077] S1. Establish a network attack and defense evolutionary game model;

[0078] S2. Design a strong defense model by using the prediction mechanism combining extreme learning machine and model predictive control;

[0079] S3. Design a weak defense model and design related control parameters;

[0080] S4. Construct the replication dynamic equation of the defender and the replication dynamic equation of the attacker respectively, and solve the equations simultaneously, and analyze the evolutionary stable state according to the results.

[0081] S1 specifically includes t...

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Abstract

The invention discloses an attack and defense evolution method of an uploading channel under DoS attack in microgrid secondary control. The method comprises the following steps: S1, establishing a network attack and defense evolution game model; S2, designing a strong defense model by adopting a prediction mechanism combining an extreme learning machine and model prediction control; S3, designinga weak defense model, and designing related control parameters; and S4, respectively constructing a replication dynamic equation of the defense party and a replication dynamic equation of the attack party, carrying out simultaneous solution on equations, and carrying out evolution stability state analysis according to results. The method gives full play to the function of an information layer, proposes a passive defense strategy of adjacent prediction and path reconstruction, gives out a design method of related parameters, and can efficiently and reasonably cope with the DoS attack problem.

Description

technical field [0001] The invention relates to an attack and defense evolution method when an upload channel is attacked by DoS in a secondary control process of a micro-grid, and relates to the field of smart grid control. Background technique [0002] Micro grid (MG), also translated as micro grid, is a small power generation and distribution system consisting of distributed energy resources (DER), energy storage devices, energy conversion devices, loads, monitoring and protection devices, etc. system. As a bridge between high-voltage transmission and low-voltage DER, the concept of "microgrid" has been widely used today, and my country also regards it as an important strategic research content. [0003] Generally speaking, the DER in the microgrid is based on droop control and secondary control to achieve voltage stability and frequency stability. Among them, droop control can take advantage of the plug-and-play characteristics of distributed power, that is, when DERs ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06G06F17/11
CPCH04L63/1416H04L63/1458G06F17/11Y04S40/20
Inventor 岳东窦春霞张博
Owner NANJING UNIV OF POSTS & TELECOMM
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