基于WAPI的电力物联网终端安全接入技术研究  

Research on WAPI-based Secure Access Technology for Power Internet of Things Terminals

作　　者：冯禹清 韩旭东 赵阳 申昉 纪雨彤 Feng Yuqing;Han Xudong;Zhao Yang;Shen Fang;Ji Yutong(Information and Communication Branch,State Grid Jibei Electric Power Co.,Ltd.,Beijing 100053,China)

机构地区：[1]国网冀北电力有限公司信息通信分公司,北京100053

出　　处：《电气自动化》2024年第4期69-72,75,共5页Electrical Automation

基　　金：电力5G业务接入能力评估及规划仿真技术研究(5700-202140448A-0-0-00)。

摘　　要：为了提高电力物联网终端安全接入能力,提高数据网关信道容量和网关运行状态稳定性,设计了一个基于无线局域网鉴别和保密基础架构的电力物联网终端安全接入系统。通过加密无线网技术构建无线局域网鉴别和保密基础架构模块,实现电力终端数据的安全传输;利用物联技术构建电力终端接入物联网后的网关状态预测模型,利用最短寻优法对终端网关路由节点进行划分,设计信息信道传输模型;采用拉格朗日算法对传输信道容量的分析方案改进成多周期预测。从而实现对电力终端安全接入网关状态的准确预测。通过试验表明,系统技术核算的数据预测准确率在90%以上,实现了对电力终端安全接入网关状态的准确预测,为其他技术研究奠定基础。In order to improve the secure access capability of power internet of things(IoT)terminals,enhance the channel capacity and operational stability of data gateways,a power IoT terminal secure access system based on wireless LAN authentication and privaly infrastructure(WAPI)was designed.The wireless LAN authentication and confidentiality infrastructure modules through encrypted wireless network technology was constructed to achieve secure transmission of power terminal data;a gateway state prediction model was built for power terminals connected to the IoT using IoT technology,the routing nodes of the terminal gateway using the shortest optimization method were divided,and an information channel transmission model was designed;the Lagrangian algorithm was used to improve the analysis scheme of transmission channel capacity into multi period prediction.The accurate prediction of the security access gateway status for power terminals was thus realized.Through experiments,it is shown that the data prediction accuracy of the system technology accounting is over 90%,achieving accurate prediction of the security access gateway status of power terminals and laying the foundation for other technical researches.

关 键 词：WAPI技术 电力物联 最短寻优 信道分配 终端安全 网关状态预测 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]