基于区块链的电网工程造价数据可靠性评估及差异化管理  

Reliability evaluation and differential management of power grid project cost data based on block chain

作　　者：王正 白杨 任建峰 邢晓霞 赵佳妍 方华亮[2] WANG Zheng;BAI Yang;REN Jianfeng;XING Xiaoxia;ZHAO Jiayan;FANG Hualiang(Economic and Technological Research Institute,State Grid Shanxi Electric Power Company,Taiyuan 030000,China;School of Electrical Engineering and Automation,Wuhan University,Wuhan 430072,China)

机构地区：[1]国网山西省电力公司经济技术研究院,山西太原030000 [2]武汉大学电气与自动化学院,湖北武汉430072

出　　处：《武汉大学学报（工学版）》2024年第5期683-690,共8页Engineering Journal of Wuhan University

基　　金：国网山西省电力公司科技项目(编号:SGSXJY00JJJS2100037)。

摘　　要：提出基于区块链的电网工程造价可靠性评估和管理方式,区块链可有效解决造价数据不完整、可靠性低、过程管控不严、事后无法追溯等问题。分析了区块链在电网工程数据可靠性管理中应用的可行性,研究了电网工程造价数据链结构。根据电网工程造价数据的变动性特点,建立造价数据可靠性分析的灵敏度模型,可确定哪些随机因素对造价变化产生影响以及影响程度。提出基于区块链的电网工程造价数据的可靠性差异化管理流程,通过改进差分进化算法可提高造价数据可靠性水平及管理效率。计算结果表明,电网造价数据的可靠性评估及差异化管理方式可提高整个电网工程的经济性。This paper proposes a reliability evaluation and management method of power grid construction cost based on block chain.The characteristics of block chain can effectively solve the problems of incomplete cost data,reliability,process control and traceability of power grid construction.The feasibility of applying block chain to reliability management of power grid engineering data is analyzed,and the cost data chain structure of power grid construction is researched.According to the variable characteristics of cost data of power grid engineering,the sensitivity model for reliability analysis of cost data is established,which can determine the influence degree of random factors on cost change.The reliability differential management flowchart of power grid project cost data based on block chain is proposed.The improved differential evolution algorithm can reduce the overall cost fluctuation risk level,perform different data management for different project costs.The analysis of engineering examples shows that the proposed method can improve the reliability and credibility of the cost data,proactively respond to the risk of cost changes,and improve the economy of the whole power grid project.

关 键 词：区块链 电网工程造价 可靠性 灵敏度 差异化 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]