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2021 IEEE International Conference on Emergency Science and Information Technology (ICESIT)最新文献

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A Study on Power System Development Trend through Comptuer Visualization and Big Data Technology 基于计算机可视化和大数据技术的电力系统发展趋势研究
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696758
Zhan Yuzhuo
Since the 21st century, the vigorous development of big data technology has led to its application in the electrical power systems, while some initial progress has been made in the research on the application of big data technology in the electric power system. This paper analyzes the application of big data technology in electric power system from the development status of big data technology as well as electric power system. The key technologies of the application of big data technology in the electric power system are divided into integration and management technology, data processing technology, data analysis technology and data visualization technology of electric power big data, and analyzed one by one. Meanwhile, this paper also lists the application examples of electric power mega data technology in smart grid, so as to confirm the development trend of electric power system under big data technology.
进入21世纪以来,大数据技术的蓬勃发展带动了大数据技术在电力系统中的应用,同时大数据技术在电力系统中的应用研究也取得了一些初步进展。本文从大数据技术和电力系统的发展现状出发,分析了大数据技术在电力系统中的应用。将大数据技术在电力系统中应用的关键技术分为电力大数据的集成与管理技术、数据处理技术、数据分析技术和数据可视化技术,并逐一分析。同时,本文还列举了电力大数据技术在智能电网中的应用实例,以确认大数据技术下电力系统的发展趋势。
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引用次数: 0
Research on Remote Intelligent Platform and Automatic Monitoring System of Transformer Substations 变电站远程智能平台及自动监控系统的研究
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696759
Biao Li, Jing Liu
With the increasing contradiction between less people and more stations and the development of front-end state sensing technology, data transmission technology and intelligent diagnosis technology, in order to effectively lighten the work strength of operation and maintenance staff and improve the operation and maintenance efficiency, we put forward the construction scheme of remote intelligent management platform, which makes use of modern information technology and advanced communication technology like the existing mobile Internet and artificial intelligence to realizes “Internet of Everything” and human-computer interaction at all stations under the jurisdiction, so as to make it an intelligent service system featuring comprehensive state perception, efficient information processing and convenient and flexible application.
随着少人多站矛盾的日益加剧,以及前端状态感知技术、数据传输技术和智能诊断技术的发展,为了有效减轻运维人员的工作强度,提高运维效率,我们提出了远程智能管理平台的建设方案。利用现有的移动互联网、人工智能等现代信息技术和先进通信技术,在辖区各站实现“万物互联”和人机交互,使其成为状态感知全面、信息处理高效、应用便捷灵活的智能服务系统。
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引用次数: 1
Aspect-words Sentiment analysis of commodity comments based on deep memory network 基于深度记忆网络的商品评论面词情感分析
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696708
Wenjun Cheng, Jike Ge, Chengzhi Wu, Sheng Yu, Haoyin Liu, Jichao Xu
The social model is a huge virtual platform where to freely express themselves and give their views and feelings, influencing any aspect of life, with implications for marketing and communication alike. Aspect words sentiment analysis can more accurately understand user needs and improve enterprise marketing strategies. In current researches on aspect words sentiment analysis, researchers use the integration of attention mechanism and LSTM to obtain key information. However, there are few studies on the fusion of aspect words, context, and multi-layer deep memory networks. Therefore, we proposed a multi-layer deep memory network model based on the splicing of aspect terms and context vectors. The model can further strengthen the fusion between aspect words and context vectors, and make up for the shortcomings of LSTM in transmitting information loss. Experimental results on Restaurant and Laptop datasets show that the proposed method has a better performance.
社交模式是一个巨大的虚拟平台,在这个平台上,人们可以自由地表达自己,表达自己的观点和感受,影响生活的任何方面,对营销和沟通都有影响。方面词情感分析可以更准确地了解用户需求,完善企业营销策略。在目前的面向词情感分析研究中,研究者采用注意机制与LSTM相结合的方法获取关键信息。然而,关于方面词、语境和多层深度记忆网络融合的研究却很少。为此,我们提出了一种基于方面项和上下文向量拼接的多层深度记忆网络模型。该模型可以进一步加强方面词与上下文向量的融合,弥补LSTM在传递信息丢失方面的不足。在餐厅和笔记本电脑数据集上的实验结果表明,该方法具有较好的性能。
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引用次数: 0
Health Monitoring of Milling Cutters with Nonlinear Entropy and Self-organizing Mapping 基于非线性熵和自组织映射的铣刀健康监测
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696936
Jing Li, Bin Zhang, Haiqing Li
The cutter is one critical component in a milling tool, and its operational condition directly affects the part machining quality and production efficiency. In this paper, a new method for milling cutters health monitoring is proposed. The proposed method extracts nonlinear entropy features with adaptive decomposition of the original multi-sensor monitoring signals. Then the extracted features are selected and adaptively fused into a virtual health indicator (HI) by self-organizing mapping (SOM) network to characterize the operational health condition of the milling cutter. High speed milling data from 2010 prognostics and health management (PHM) challenge is studied to demonstrate performance of the presented method. Experimental results show that the approach can effectively integrate the online multi-sensor signals to reliably describe health degradation of the milling cutter.
刀具是铣刀的关键部件,其工作状态直接影响到零件的加工质量和生产效率。提出了一种铣刀健康监测的新方法。该方法对原始多传感器监测信号进行自适应分解,提取非线性熵特征。然后通过自组织映射(SOM)网络选择提取的特征并自适应融合到虚拟健康指标(HI)中,以表征铣刀的运行健康状况。研究了2010年预测和健康管理(PHM)挑战中的高速铣削数据,以验证该方法的性能。实验结果表明,该方法能有效地整合在线多传感器信号,可靠地描述铣刀健康退化。
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引用次数: 0
An Adaptive ResNet Based Speaker Recognition in Radio Communication 无线电通信中基于自适应ResNet的说话人识别
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696720
Liu Jiahong, Bao Jie, Chen Yingshuang, Lv Chun
In this paper, a speaker recognition strategy in military radio communication is applied. In military operations, the most commonly used method of information transmission is radio communication. Speaker recognition technology can confirm the sender's identity, and effectively prevent the enemy from pretending to be our military commander to issue false orders. However, the datasets of the military commander from the radio are confidential, and there are no large open-source datasets. Consequently, speaker recognition accuracy is not ideal if we only train a small sample of speaker datasets. Therefore, we propose a transfer learning method for training. We pre-train a Deep Residual neural network (ResNet) with large sample datasets and re-train a novel adaptive model with a simple sample dataset in radio communication. Experiments are carried out using the aishell-2 dataset and the self-collected radio military command datasets. Experimental results demonstrate that the adaptive network with transfer learning method improves the performance by 23.55% relatively compared to the baseline system in radio communication.
本文研究了一种军用无线电通信中的说话人识别策略。在军事行动中,最常用的信息传输方法是无线电通信。说话人识别技术可以确认发信人的身份,有效防止敌人冒充我军指挥官发布虚假命令。然而,来自无线电的军事指挥官的数据集是机密的,并且没有大型的开源数据集。因此,如果我们只训练小样本的说话人数据集,说话人识别的准确性是不理想的。因此,我们提出了一种迁移学习的训练方法。我们使用大样本数据集预训练深度残差神经网络(ResNet),并使用简单样本数据集重新训练新的自适应模型。利用ahell -2数据集和自行收集的无线电军事指挥数据集进行了实验。实验结果表明,采用迁移学习方法的自适应网络在无线电通信中的性能相对于基线系统提高了23.55%。
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引用次数: 1
Improve the Application of XGBDT in Network Abnormal Traffic Detection 改进XGBDT在网络异常流量检测中的应用
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696640
Fang Binhao, Huang Hong, Zhou Ziyun
Detecting abnormal traffic in real life often requires analyzing massive data (high-dimensional data) and unbalanced data. Aiming at the above problems, an intrusion detection model (SMBR-XGBDT) based on the combination of SMOTE algorithm and Boruta algorithm with Extreme Gradient Boosting (XGBoost) algorithm is proposed. The experiment selected 14367 extremely unbalanced samples based on the CIRA-CIC-DoHBrw-2020 data set, and detected 4 categories: DOH, Non-DoH, Benign-DoH, Malicious-DoH, using decision tree algorithm, random forest Algorithm, XGBoost algorithm as a control. The experimental results show that the SMBR-XGBDT model is significantly better than the other three models. The precision, recall, and F1 scores of the overall test were 93%, 93 %, and 93 %, respectively, which verified the effectiveness of the method. The precision rates of DOH, Non-DoH, Benign-DoH, Malicious-DoH were 88%, 100%, 98%, and 87%, respectively, which verified the feasibility of the method to deal with unbalanced data.
在现实生活中,检测异常流量往往需要分析海量数据(高维数据)和不平衡数据。针对上述问题,提出了一种基于SMOTE算法和Boruta算法结合极端梯度增强(XGBoost)算法的入侵检测模型(SMBR-XGBDT)。实验选取基于CIRA-CIC-DoHBrw-2020数据集的14367个极度不平衡样本,采用决策树算法、随机森林算法、XGBoost算法作为对照,检测DOH、Non-DoH、benigni - DOH、Malicious-DoH 4类。实验结果表明,SMBR-XGBDT模型明显优于其他三种模型。整体测试的准确率为93%,召回率为93%,F1得分为93%,验证了方法的有效性。DOH、Non-DoH、Benign-DoH、Malicious-DoH的准确率分别为88%、100%、98%和87%,验证了该方法处理不平衡数据的可行性。
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引用次数: 0
A semantic segmentation algorithm supported by image processing and neural network 一种基于图像处理和神经网络的语义分割算法
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696835
Liwei Liu, Daming Qu, Alin Hou
The accurate segmentation of the lesion area is of great significance to the actual medical treatment. However, the segmentation results of the current segmentation network are not accurate enough to provide guidance for actual medical treatment. To solve this problem, a improved U-Net segmentation network is proposed. Firstly. The residual module and new attention mechanism are introduced to optimize the encoder, and 2×2 convolution is used instead of pooling operation, which can refine and extract features while retaining spatial feature information. Secondly, the attention mechanism is introduced before the upsampling jump connection, so that the network pays attention to the spatial information of the low-level feature map. The improved U-Net segmentation network was evaluated on the LiTS datasets. Compared with the traditional If-Net, the Dice coefficient and recall rate are increased by 5.6% and 3.03 % respectively in the liver segmentation task, the Dice coefficient and recall rate are increased by 7.51% and 8.8% respectively in the liver tumor segmentation task.
病灶区域的准确分割对实际医疗具有重要意义。但是,目前分割网络的分割结果不够准确,无法为实际医疗提供指导。为了解决这一问题,提出了一种改进的U-Net分段网络。首先。引入残差模块和新的关注机制对编码器进行优化,使用2×2卷积代替池化操作,在保留空间特征信息的同时,可以对特征进行细化和提取。其次,在上采样跳转连接之前引入注意机制,使网络关注底层特征图的空间信息;在LiTS数据集上对改进的U-Net分割网络进行了评价。与传统的ifnet相比,肝脏分割任务的Dice系数和召回率分别提高了5.6%和3.03%,肝脏肿瘤分割任务的Dice系数和召回率分别提高了7.51%和8.8%。
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引用次数: 0
Study on computer modeling and calculation of 500kV ultra-high voltage transmission towers 500kV超高压输电塔的计算机建模与计算研究
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696674
C. Hao, Yi Liming, Xu Zhengtao, Fang Qing
In the design of 500kV ultra-high voltage transmission towers in mountainous areas, the choice of tower slope will affect the size of the tower's root opening, thereby affecting the applicability of the tower in mountainous areas. At the same time, the choice of tower slope will also cause the tower weight and foundation force to be generated. Differences, thereby affecting the construction cost of the project. Combining actual engineering, taking a 20mm ice zone 53ZBC33 tower type for a 500kV line project as an example, a total of 8 different slopes of 0.09~0.16 for transmission towers of 60m, 54m, 48m, and 42m are calculated. The tower is used as an example. Steel quantity cost, foundation cost, and tower foundation land compensation fee are used as indicators to compare and analyze the project cost. When the calling height of the transmission tower is different, the corresponding economic slope is slightly different, but the overall economic slope fluctuates in the range of 0.10~0.13. In the actual design process, the economic slope of the tower can be quickly calculated in the slope range of 0.10~0.13.
在山区500kV特高压输电塔的设计中,塔坡的选择会影响塔根开度的大小,从而影响塔在山区的适用性。同时,塔坡的选择也会引起塔自重和基础力的产生。差异,从而影响工程的施工成本。结合工程实际,以500kV线路工程20mm冰区53ZBC33型塔型为例,对60m、54m、48m、42m输电塔共计算了0.09~0.16的8种不同坡度。以这座塔为例。以钢量成本、基础成本、塔基础土地补偿费为指标,对工程成本进行比较分析。当输电塔呼叫高度不同时,相应的经济斜率略有不同,但整体经济斜率在0.10~0.13范围内波动。在实际设计过程中,可以在0.10~0.13的坡度范围内快速计算出塔的经济坡度。
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引用次数: 0
Research on the Computer Aided Design of Sensing Terminal System for Mass Transmission Equipment 传质设备传感终端系统的计算机辅助设计研究
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696652
Xin Xia, Chuanliang He, Bo Zhang, Shouzhi Wang
Design and research the sensing terminal system of mass transmission equipment, adopting modular design, including sensing modules. The system has a data analysis module and a protocol analysis module, which are sensed through image acquisition module, positioning module, temperature and humidity detection module and other perception modules. The terminal is connected to the user's mobile terminal through the Bluetooth module, 4G module, and server. The measurement equipment sensing terminal system has functions such as basic file sorting, physical and geographic topology information upload, hierarchical line loss accounting, metering box and power meter power outage report, early warning report of suspected electricity theft, environmental temperature and humidity monitoring, etc.
对传质设备传感终端系统进行设计与研究,采用模块化设计,包括传感模块。系统分为数据分析模块和协议分析模块,通过图像采集模块、定位模块、温湿度检测模块等感知模块进行感知。终端通过蓝牙模块、4G模块、服务器与用户移动终端相连。计量设备传感终端系统具有基础文件整理、物理和地理拓扑信息上传、分层线损核算、计量箱和电表停电报告、疑似窃电预警报告、环境温湿度监测等功能。
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引用次数: 0
Application of attention YOLOV 4 algorithm in metal defect detection 注意YOLOV 4算法在金属缺陷检测中的应用
Pub Date : 2021-11-22 DOI: 10.1109/ICESIT53460.2021.9696808
Xie Xikun, Liang Changjiang, Xu Meng
Common feature engineering method and traditional machine visual detection algorithm have problems with strong subjective dependence, low detection accuracy and limited detection range in the detection of metal surface defects. Integrated the ECA attention mechanism to realize the adaptive weight assignment in the important areas of the image will form ECAMobileNetV2 as the model backbone feature extraction network, then use the PANet module of YOLOV4 to enhance the defect feature-one lightweight Yolo V 4 model (ECA_MobileNetV2_yoloV4, abb EMV2yoloV4) integrated ECA and MobileNet. Our method got highest detection accuracy, applied the datasets of metal surface defects for defect types in GCT10 and NED_DET, with mAP of 0.86 and 0.68 respectively. it's significantly higher than MV2yoloV4 and MV3yoloV 4 integrating attention mechanism SE. The model parameter reaching 10.4M is less lightweight than novel detection networks such as Efficientdet and Ghost etc. Experexperiment shows that EMV2yolo V 4 better solves the problem of low recognition accuracy caused by background pixels and brightness. The single image inference time of 18.44ms and frame rate up to 54.25f/s. It can meet the requirements of lightweight deployment and accuracy requirements of metal surface defect detection.
常见的特征工程方法和传统的机器视觉检测算法在金属表面缺陷检测中存在主观依赖性强、检测精度低、检测范围有限等问题。集成ECA关注机制实现图像重要区域的自适应权值分配,形成ECAMobileNetV2作为模型骨干特征提取网络,然后利用YOLOV4的PANet模块对缺陷特征进行增强——一个集成ECA和MobileNet的轻量级Yolo v4模型(ECA_MobileNetV2_yoloV4, abb EMV2yoloV4)。本文方法检测精度最高,采用金属表面缺陷数据集对GCT10和NED_DET中的缺陷类型进行检测,mAP值分别为0.86和0.68。显著高于MV2yoloV4和mv3yolov4整合注意机制SE。模型参数达到了10.4M,比新型的检测网络(如Efficientdet和Ghost等)轻量级。实验表明,EMV2yolo v4较好地解决了背景像素和亮度造成的识别精度低的问题。单幅图像推理时间为18.44ms,帧率高达54.25f/s。它可以满足轻量化部署的要求和金属表面缺陷检测的精度要求。
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引用次数: 4
期刊
2021 IEEE International Conference on Emergency Science and Information Technology (ICESIT)
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