Smart power grid multi-dimensional multi-subset privacy protection data aggregation method based on block chain

A technology of privacy protection and data aggregation, which is applied in the field of privacy protection data aggregation, can solve problems such as inability to analyze, do not support multi-subset division of electricity consumption data, and is not conducive to grid monitoring and management of gradient electricity price strategy, so as to solve verification problems, The effect of convenient verification

Pending Publication Date: 2021-05-14
ZHEJIANG GONGSHANG UNIVERSITY
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Problems solved by technology

The traditional data aggregation scheme does not support the division of multiple subsets of power consumption data in each dimension in the system, so that the power company cannot conduct fine-grained analysis of the user's power consumption data, which is not conducive to formulating gradient electricity price strategies and effective grid monitoring and monitoring. manage

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  • Smart power grid multi-dimensional multi-subset privacy protection data aggregation method based on block chain
  • Smart power grid multi-dimensional multi-subset privacy protection data aggregation method based on block chain

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing.

[0026] Such as figure 1 As shown, the present invention designs a blockchain-based smart grid multi-dimensional multi-subset privacy protection data aggregation method. In the actual application process, the smart grid system consists of four parts: users, fog nodes, control centers and trusted third parties. Each user is equipped with a smart meter, which is responsible for real-time collection and encryption of the multi-dimensional electricity consumption data of the user to obtain the ciphertext and upload it to the fog node. The fog node is responsible for aggregating the received ciphertext to obtain the aggregated ciphertext and verify the smart meter. identity, and then sent to the control center. The final control center decrypts the received aggregated ciphertext.

[0027] Such as figure 2 As shown, the multi-dimensional and multi-subset privacy-preserving da...

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Abstract

The invention discloses a smart grid multi-dimensional multi-subset privacy protection data aggregation method based on a block chain. According to the method, each dimension of power consumption data in the system is divided into a plurality of subsets by using two super-increasing sequences, Horner rule and a Paillier encryption algorithm, so that multi-subset division of multi-dimensional power consumption data is realized; a control center not only can obtain the number of users in each subset in each dimension of power consumption data in the system, but also obtains the total power consumption of each subset in the power consumption data of each dimension, so that an electric power company can perform fine-grained analysis on the power consumption information on the basis of protecting the privacy of the power consumption data of the user, and the electric power company can effectively monitor and manage a power grid; therefore, the power demand can be better predicted and a reasonable gradient electricity price strategy can be formulated. In addition, by means of the block chain technology, the integrity and validity of the data can be conveniently verified, and the verification problem of a third party is well solved.

Description

technical field [0001] The invention belongs to the fields of information security technology and smart grid technology, and is a privacy protection data aggregation method for multi-subset division in each dimension of electricity consumption data based on blockchain for multi-dimensional data. Background technique [0002] As the next generation power system, the smart grid significantly improves the reliability, efficiency, security and sustainability of power services. The advancement of smart grid technology enables smart meters in the smart grid to collect electricity consumption data in real time, which helps to efficiently regulate local power, but it also easily leads to leakage of user information. How to balance user real-time power data and protect user privacy is a crucial issue. Smart grid still faces some challenges in data aggregation and privacy security. The traditional data aggregation scheme does not support the division of multiple subsets of power cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/60G06F16/27
CPCG06F21/6245G06F21/602G06F16/27Y02D10/00
Inventor 韩嵩徐淑华陈志贤赵帅金舒丹王璐瑶徐璇璇
Owner ZHEJIANG GONGSHANG UNIVERSITY
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