为提升窄带物联网(Narrow Band Internet of Things,NB-IoT)在配电工程数据传输中的安全性,研究分析该技术在实际应用中的安全风险,提出针对性的防护方案。通过优化加密算法、动态身份认证、数据完整性校验以及入侵检测机制,有效提升系...为提升窄带物联网(Narrow Band Internet of Things,NB-IoT)在配电工程数据传输中的安全性,研究分析该技术在实际应用中的安全风险,提出针对性的防护方案。通过优化加密算法、动态身份认证、数据完整性校验以及入侵检测机制,有效提升系统的安全性与效率。实验结果表明,所提方案在保障配电数据安全的同时,显著降低资源开销,并在攻击仿真中表现出较强的防护能力,证实该方案在实际部署中具有可行性与优势。展开更多
Digitalisation in mining refers to the use of computerised or digital devices or systems and digitised data that are to reduce costs,improve business productivity,and transform mining practices.However,it remains incr...Digitalisation in mining refers to the use of computerised or digital devices or systems and digitised data that are to reduce costs,improve business productivity,and transform mining practices.However,it remains increasingly difficult for mining companies to decide which digital technologies are most relevant to their needs and individual mines.This paper provides an overview of digital technologies currently relevant to mining companies as presented and discussed by mining journals,the media and insight reports of leading consultancy agencies.Relevant technologies were systematically identified using text-mining techniques,and network analyses established the relations between significant technologies.Results demonstrated that currently 107 different digital technologies are pursued in the mining sector.Also,an analysis of the actual implementation of digital technologies in 158 active surface and underground mines reveals a limited uptake of digital technologies in general and that the uptake increases with the run-of-mine production.Large-scale mining operations appear to select and apply digital technologies suitable to their needs,whereas operations with lower production rates do not implement the currently available digital technologies to the same extent.These minor producers may require other digital transformation solutions tailored to their capabilities and needs and applicable to their scale of operations.展开更多
文摘为提升窄带物联网(Narrow Band Internet of Things,NB-IoT)在配电工程数据传输中的安全性,研究分析该技术在实际应用中的安全风险,提出针对性的防护方案。通过优化加密算法、动态身份认证、数据完整性校验以及入侵检测机制,有效提升系统的安全性与效率。实验结果表明,所提方案在保障配电数据安全的同时,显著降低资源开销,并在攻击仿真中表现出较强的防护能力,证实该方案在实际部署中具有可行性与优势。
文摘Digitalisation in mining refers to the use of computerised or digital devices or systems and digitised data that are to reduce costs,improve business productivity,and transform mining practices.However,it remains increasingly difficult for mining companies to decide which digital technologies are most relevant to their needs and individual mines.This paper provides an overview of digital technologies currently relevant to mining companies as presented and discussed by mining journals,the media and insight reports of leading consultancy agencies.Relevant technologies were systematically identified using text-mining techniques,and network analyses established the relations between significant technologies.Results demonstrated that currently 107 different digital technologies are pursued in the mining sector.Also,an analysis of the actual implementation of digital technologies in 158 active surface and underground mines reveals a limited uptake of digital technologies in general and that the uptake increases with the run-of-mine production.Large-scale mining operations appear to select and apply digital technologies suitable to their needs,whereas operations with lower production rates do not implement the currently available digital technologies to the same extent.These minor producers may require other digital transformation solutions tailored to their capabilities and needs and applicable to their scale of operations.
