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天津大学电气自动化与信息工程学院,天津市 300072
Received:22 January 2021,
Revised:2021-03-08,
Published Online:21 May 2021,
Published:10 September 2021
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于洁潇,于丽莹,杨挺.基于区块链的电力物联终端信任共识方法[J].电力系统自动化,2021,45(17):1-10.
YU Jiexiao,YU Liying,YANG Ting.Blockchain-based Trust Consensus Method for Power Internet of Things Terminal[J].Automation of Electric Power Systems,2021,45(17):1-10.
于洁潇,于丽莹,杨挺.基于区块链的电力物联终端信任共识方法[J].电力系统自动化,2021,45(17):1-10. DOI: 10.7500/AEPS20210122001.
YU Jiexiao,YU Liying,YANG Ting.Blockchain-based Trust Consensus Method for Power Internet of Things Terminal[J].Automation of Electric Power Systems,2021,45(17):1-10. DOI: 10.7500/AEPS20210122001.
电力物联网(PIoT)智能终端安全机制是当前能源互联网发展的难点与热点。信任管理是提高终端攻击防御能力的关键环节,但目前已有方法缺少对信任参数的安全存储和多元评价主体的相关研究。文中提出一种基于区块链的电力物联终端信任共识方法,能够评估终端可信度并应对多种恶意攻击。首先,基于联盟区块链设计PIoT信任共识系统架构,增强信任参数的可靠性。其次,基于Beta分布建立多元信任评价主体机制,用熵值为不同评价主体分配动态权重,得出更准确的综合信任值。然后,提出5条共识机制准则和记账权选择机制,深度融合区块链技术与信任管理方法,为电力终端安全提供双重保障。最后,通过实验验证了所提方法的有效性。
The security mechanism of smart terminals in the power Internet of Things (PIoT) is a difficulty and a hot spot in the current development of Energy Internet. Trust management is a key link to improve defense capabilities for terminal attack
but the existing solutions lack the relevant research on the secure storage of the trust parameters and multiple evaluation subjects. This paper proposes a blockchain-based trust consensus method for PIoT terminals
which can evaluate the terminal credibility and respond to multiple malicious attacks. Firstly
the system architecture of PIoT trust consensus is designed based on the consortium blockchain to enhance the reliability of the trust parameters. Secondly
a multiple trust evaluation subject mechanism is established based on the Beta distribution
and the entropy value is used to assign dynamic weights for different evaluation subjects to derive a more accurate comprehensive trust value. Then
five consensus mechanism guidelines and bookkeeping right selection mechanism are proposed to deeply integrate the blockchain technology and trust management methods to provide the double guarantees for power terminal security. Finally
the effectiveness of the proposed method is verified through experiments.
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State Key Laboratory of Networking and Switching Technology of Beijing University of Posts and Telecommunications . The ITU-T international standard “decentralized IoT communication architecture based on ICN and blockchain technology” led by Beijing University of Posts and Telecommunications was approved [EB/OL]. [ 2021-01-22 ]. http://kyy.bupt.edu.cn/info/1002/1385.htm http://kyy.bupt.edu.cn/info/1002/1385.htm .
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