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Micro-grid leader-follower fast consistency multi-target scheduling privacy protection method

A privacy protection and consistency technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problems of multi-objective scheduling privacy leakage, lack of privacy protection of leader-follower consistency, etc. The effect of consistent privacy leakage and meeting the needs of system privacy protection

Pending Publication Date: 2021-04-27
SUZHOU UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to provide a microgrid leader-follower fast consistency multi-objective scheduling privacy protection method to solve the problem that the existing multi-objective scheduling may cause privacy leakage and lack of privacy protection for leader-follower consistency

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  • Micro-grid leader-follower fast consistency multi-target scheduling privacy protection method
  • Micro-grid leader-follower fast consistency multi-target scheduling privacy protection method
  • Micro-grid leader-follower fast consistency multi-target scheduling privacy protection method

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Embodiment Construction

[0073] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0074] Such as figure 1 As shown, the microgrid leader-follower fast and consistent multi-objective scheduling privacy protection method includes the following steps:

[0075] (1) Establish a fast consensus algorithm with feedback gain:

[0076] The directed strongly connected graph G is used to represent the communication relationship between the generator and the flexible load node in the microgrid, and the adjacency matrix A=(a pq ) n×n Used to describe the communication relationship between nodes p and q, where n represents the number of nodes, when node p can obtain the status information of node q, a pq = 1; when node p cannot obtain the information of node q or when p=q, a pq = 0;

[0077] Define the neighbor set of node p as N p ; The in-degree matrix of the directed strongly connected graph G is D=diag(d pp ),in

[0078] A fast consis...

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Abstract

The invention discloses a micro-grid leader following rapid consistency multi-target scheduling privacy protection method and solves problems that existing multi-target scheduling may cause privacy leakage and lacks privacy protection for leader following consistency. The method is based on a fast consistency algorithm and comprises the following steps that firstly, a multi-target scheduling model is established, and an optimal solution is solved; then, power information leakage, especially the situation containing leader nodes, possibly caused in the consistent communication process is analyzed; thirdly, noise is added to the consistency variable, a random number with the sum being zero is added to the node to serve as a power value, and the global power difference is calculated for the leader node to protect privacy information; and the initial value privacy protection degree of the proposed strategy is analyzed by utilizing data privacy.

Description

technical field [0001] The invention relates to the field of microgrid information privacy protection methods, in particular to a microgrid leader-follower fast consistent multi-objective scheduling privacy protection method. Background technique [0002] Economic scheduling based on consensus algorithms in microgrids has received a lot of research attention. In general, these algorithms are iterative and incremental cost is used as the consistency variable. These studies consider the scheduling problem on the generation side. In the microgrid, considering both the power generation side and the user demand side makes the distributed energy management problem more practical and meaningful. [0003] Considering energy scheduling on both sides, Rahbari et al. (literature: N.Rahbafi-Asr, U.ojha, Z.Zhang, M.Chow. Incremental welfare consensus algorithm for cooperative distributed generation / demand response in smart grid[J].IEEE Transactions on Smart Grid, 2014.5(6): 2836-2845....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/32G06Q10/06G06Q50/06
CPCH02J3/381H02J3/32G06Q10/06312G06Q50/06H02J2203/20Y04S10/50Y02E40/70
Inventor 陈珍萍邵雪莲吴征天付保川许馨尹
Owner SUZHOU UNIV OF SCI & TECH
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