Results 1 to 10 of about 281 (104)
能源革命和数字革命方兴未艾,正共同推动中国能源电力系统向新型电力系统转型升级。人工智能有助于新型电力系统实现精准建模、高效分析及智能决策控制,是新型电力系统构建的关键支撑技术。通过对人工智能在电力系统源、网、荷、储等关键环节的预测、建模、分析、优化控制等核心应用的现状进行综述,对元学习、无监督预训练、可解释性与人机混合增强等人工智能领域的技术发展和其在新型电力系统的应用进行分析展望,为中国人工智能技术与新型电力系统的深度融合发展提供参考借鉴。
赵日晓*, 闫冬, 周翔, 王新迎
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能源互联网是以电力系统为核心,利用可再生能源发电技术、信息技术,融合电力网络、天然气网络、供热/冷网络等多能源网以及电气交通网形成的能源互联共享网络。能源互联网是促进可再生能源消纳,提高能源使用效率的重要途径。因构成网络多,特性差异大,能源互联网的规划、运行和控制面临大量难题。数字孪生是融合物联网技术、通信技术、大数据分析技术和高性能计算技术的先进仿真分析技术,有助于解决当前能源互联网发展面临的技术问题。首先介绍了数字孪生的基本概念,给出了能源互联网数字孪生的构建方式与可能应用;然后以能源互联网规划为例,
沈沉 +4 more
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提出一种基于数字孪生及神经网络的电压扰动定位方法。首先根据配电网中大量的监测点信息以及网架结构参数构建配电网数字镜像模型,然后采用人工神经网络对数字镜像模型的历史数据进行学习训练,得到反映节点电压与暂降发生位置之间映射关系的神经网络模型。该模型可以根据暂降后各节点的电压数据得到反映各节点故障特征的信息,进而实现对暂降源的定位。以河南某县30节点的配电网为例,对所提方法的有效性进行验证,结果表明该方法能够实现对电压暂降源的准确定位。
冯志远 +4 more
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Multi-sensing node convolution fusion identity recognition algorithm for radio digital twin [PDF]
Electromagnetic space is an important link to empower and coordinate sea, land, air, space and network.Electromagnetic target recognition provides important radio target identity information for the twin construction of electromagnetic space, so that it ...
Daoxing GUO +5 more
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The concept, structure and mechanism of industrial digital twin systems [PDF]
Digital twin was originally and firstly researched in manufacturing, and is now widely and maturely used for application in industries. Recent theoretical studies and technical applications mainly focus on the definition of the digital twin, the ...
Evans, Steve +13 more
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Preliminary research on the operation mode of virtual-real integration in fully-mechanized mining face based on industrial metaverse [PDF]
The key to promoting intelligent construction is to integrate the digital twin technology form the operation mode of virtual and real integration. And the industrial metaverse based on digital twin is the future development direction of intelligent ...
Hao MENG +5 more
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DT-driven memory cutting control method using VR instruction of boom-type roadheader [PDF]
Aiming at the problems of low intelligence of current tunneling equipment, difficulty in describing over-excavation, under-excavation and abnormal collision in tunneling process, and difficulty in adapting traditional automatic cutting and memory cutting
Chao ZHANG +13 more
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“互联网+智慧能源”(即能源互联网)的发展理念,集中体现着数字化技术对能源系统的设计、运行和发展的全局优化。从能源系统热力学熵和信息系统信息熵的理论及视域,阐释能源互联网综合能源系统及其对应能源物联网的熵增与熵减机制。首先,在熵视域下揭示能源互联网所体现出的信息熵与热力学熵之间的内在关联,即通过信息的引入充分激发能量系统的自组织性,减少能源网络的无序程度。同时,以能源互联网范畴中的多能互补综合能源系统和数字孪生能源物联网为对象,以熵理论揭示信息物理融合系统中信息流与能量流的协同作用 ...
孙艳玲 +5 more
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CNN-based continuous authentication scheme for vehicular digital twin [PDF]
To address vehicle identity legitimacy verification issues, a continuous authentication scheme for vehicular digital twin based on convolutional neural network (CNN) was proposed.Specifically, the digital twin was used to acquire the data collected by ...
Chengzhe LAI +3 more
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能源互联网的建设不仅需要技术手段的支撑,更需要以价值为驱动激活各方主体参与,打造互惠共赢的能源生态圈。为此,从能源、信息和制度经济学的视角出发,深入分析能源互联网的价值创造机理、业态创新范式和发展战略选择。首先,剖析了能源互联网的价值创造机理,其本质是以多能融合突破孤立系统的边界,从而显著扩大资源优化配置的空间;通过信息技术使得能源系统更加有序,进而促进能源系统的“熵减”;通过能源互联网平台释放范围经济的巨大红利。其次,设计了基于共享经济机制、降低交易成本、激励共享共赢的能源互联网价值分配机制 ...
唐跃中 +6 more
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