共查询到19条相似文献,搜索用时 93 毫秒
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目前,河湖管理任务重大,但管护人手相对不足,整合现有资源和力量提高河长制管理工作效率尤为重要。为此,以广东省阳西县河湖管理为主要研究对象,用GIS矢量化、栅格化的方法进行县域河湖图纸管理,考量和助力河湖管理范围合理划定;引入物联网理论和技术,开展河湖信息智能感知组网,建设河长制管理综合信息服务平台,进行河湖信息智能采集和处理的示范应用,推动县、镇、村三级河长以及与水务、公安、自然资源、农业农村等有关的相关管理部门的信息共享和工作协同。河湖信息化管理系统突破了河湖管护的时空限制,提高了工作效率和管理效能,取得了较好成效。 相似文献
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殷珂 《数码设计:surface》2021,(5):74-75
近些年来,随着我国经济的不断发展,科学技术逐渐提升,各行各业的发展也开始受到这些新技术的影响.在互联网的作用和影响之下,物联网的概念很快出现并被广泛应用到各个行业领域当中.港口的信息化建设自然也离不开物联网的技术,不仅可以建设出安全信息化的智慧港口,还能够促进整个行业的发展.就目前而言,港口信息化建设仍然存在着较多的问... 相似文献
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随着物联网、云计算以及移动互联网等新一代信息技术的迅速崛起,先进的信息化技术和手段被不断融入到各行各业当中,新一轮的变革也随之到来。基于物联网的智慧校园在高等院校中有很多应用,如数字资源整合与共享、身份识别、图书管理、校园一卡通、校内各类信息系统集成等,从而实现了智慧化服务和管理的校园模式。 相似文献
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蔡静 《网络安全技术与应用》2014,(9):105-106
随着国际信息技术的发展,物联网已成为发展的主流;其中的智能家居系统,作为物联网发展的十大重点领域之一,也得到快速的发展.克服传统的智能家居系统内部有线组网的弊端,本文研究采用无线通信技术来组建家庭无线局域网的硬件系统,先对设计了总体的系统图,然后分别对硬件系统和软件系统分别进行设计,其中软件系统基于UC/OS-Ⅱ嵌入式操作系统的应用软件的开发,使用户操作起来更加方便,界面更加友好. 相似文献
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为掌握大兴新凤河水务网络实际情况,及时发现网络线路存在的问题和隐患,对新凤河流域综合治理工程智慧水务控制系统网络进行分析。结合网络总体结构分析网络的业务规模,网络通过河道自建局域网、4G 无线 RTU、4G 无线 VPN、宽带有线 VPN 4 类节点传输相关数据;阐述网络设备的选用分布、VLAN 规划、数据安全等内容;从建设期和运营期,结合河道网络特征,分析组网设备选择、无线网桥使用、支流和沿线施工的影响,以及网络监测、线路管理的管理办法及要点。分析结果表明:为保证新凤河智慧水务控制系统网络的稳定运行,应对设计、施工、运营各阶段共同考虑分析,各阶段的分析成果和经验,可为类似河道流域水环境治理工程的网络应用提供借鉴和参考。 相似文献
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为了改善纺织厂车间环境,提高对环境的自动控制水平,提出了一种基于物联网(IoT)的纺织车间环境智能测控系统。给出了该系统的总体设计方案,设计了单跳多汇集节点的无线网络拓扑结构,以降低汇集节点的传输负载,提高网络的数据传输率。详细阐述了该系统感知节点、控制节点等节点硬件设计的具体实施方案和软件工作流程,并利用改进的牛顿插值算法作为拟合函数对检测的数据进行处理,提高了系统检测与控制准确度。应用结果表明,该系统结构简单、稳定可靠、成本低、易于维护和升级,取得了良好的应用效果。 相似文献
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Smart manufacturing has great potential in the development of network collaboration, mass personalised customisation, sustainability and flexibility. Customised production can better meet the dynamic user needs, and network collaboration can significantly improve production efficiency. Industrial internet of things (IIoT) and artificial intelligence (AI) have penetrated the manufacturing environment, improving production efficiency and facilitating customised and collaborative production. However, these technologies are isolated and dispersed in the applications of machine design and manufacturing processes. It is a challenge to integrate AI and IIoT technologies based on the platform, to develop autonomous connect manufacturing machines (ACMMs), matching with smart manufacturing and to facilitate the smart manufacturing services (SMSs) from the overall product life cycle. This paper firstly proposes a three-terminal collaborative platform (TTCP) consisting of cloud servers, embedded controllers and mobile terminals to integrate AI and IIoT technologies for the ACMM design. Then, based on the ACMMs, a framework for SMS to generate more IIoT-driven and AI-enabled services is presented. Finally, as an illustrative case, a more autonomous engraving machine and a smart manufacturing scenario are designed through the above-mentioned method. This case implements basic engraving functions along with AI-enabled automatic detection of broken tool service for collaborative production, remote human-machine interface service for customised production and network collaboration, and energy consumption analysis service for production optimisation. The systematic method proposed can provide some inspirations for the manufacturing industry to generate SMSs and facilitate the optimisation production and customised and collaborative production. 相似文献
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《Calphad》2015
Pitzer ion-interaction theory is widely used to calculate the solubilities of salt–water systems. In the paper, the solubilities and equiscale lines of water contents of the reciprocal quaternary system (Li+Na+Cl+SO4+H2O) at 298.15 K were calculated using Pitzer theory and Harvie, Møller, Weare solubility modeling approach (HMW model). In this predictive calculation, the quasi-Newton and dichotomy methods were used to solve the system of simultaneous equations of the equilibrium expressions among solid and liquid phases, and to obtain the ionic molalities, Jänecke indices of phase diagram and the Jänecke indices of the equiscale lines of water contents in the reciprocal quaternary system. Based on the Jänecke indices, the dry-salt phase diagram and the equiscale lines of water-phase diagram were plotted. The predictive phase diagram via the theoretical calculation agrees well with the experimental phase diagram except for the phase region of double salt 2 (Li2SO4·Na2SO4, Db2). Distributions of equiscale lines of water-phase diagram on the dry-salt diagram of the reciprocal quaternary system reflect that phase areas of double salts of Db1 and Db2 bear maximal water contents. The predictive phase diagram and equiscale lines of water-phase diagram are often necessary in the technological design of chemical engineering for the utilization of inorganic salts in salt lake brines. 相似文献