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2019 International Conference on Smart Grid and Electrical Automation (ICSGEA)最新文献

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Research on 10kV Line Breaker Check Training System Based on Virtual Reality 基于虚拟现实的10kV断路器检修培训系统研究
Pub Date : 2019-08-01 DOI: 10.1109/icsgea.2019.00013
Xun Xu, Lei Shen, Shundao Li, Siqi Wang
The training is the important means to improve power system operators' quality and ensure the safe, stable and reliable operation of power system. The job of 10kV line breaker check is one of the most important tasks of relay protection, and the training effect of this job is directly related to the work efficiency and quality of relay protection employees. However, in the training for relay protection trainees, it is impossible to carry out the actual operation in the substation considering the safety factor, and the construction of simulated substation costs a lot. To solve this problem, this paper uses Unity to develop a 10kV line breaker check training system based on virtual reality (VR). The training system development tools, 10kV line breaker check project, the training system structure and function design are introduced in the paper. Practical application shows that the training system is simple to use, easy to learn, can timely and quickly transfer data and results, which has achieved a good training effect.
培训是提高电力系统操作人员素质,保证电力系统安全、稳定、可靠运行的重要手段。10kV线路断路器检查工作是继电保护最重要的任务之一,该工作的培训效果直接关系到继电保护从业人员的工作效率和素质。然而,在继电保护学员的培训中,考虑到安全因素,不可能在变电站中进行实际操作,并且模拟变电站的建设成本很大。为了解决这一问题,本文利用Unity开发了一个基于虚拟现实(VR)的10kV断路器检修培训系统。介绍了培训系统的开发工具、10kV断路器检测方案、培训系统的结构和功能设计。实际应用表明,该培训系统使用简单、易学,能够及时、快速地传递数据和结果,取得了良好的培训效果。
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引用次数: 1
Assessment of International Business Transaction Risk Based on Big Data 基于大数据的国际商务交易风险评估
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00082
Linzhu Hu
With the development of big data technology, the world economy is increasingly transforming into digital, and the ever-changing, transparent and inclusive international trade in the digital realm is booming. In order to better improve the trade environment, to reduce trade risks, to improve trade efficiency, and to enhance the status of Chinese enterprises in international trade, the author summarizes the current international business transaction model and analyzes the characteristics and risks of each transaction model. Based on this, the analytic hierarchy process is used to construct an assessment model of international business transaction risk based on big data to provide an effective means for Chinese enterprises to assess the risk of international business transaction.
随着大数据技术的发展,世界经济日益向数字化转型,数字领域多变、透明、包容的国际贸易蓬勃发展。为了更好地改善贸易环境,降低贸易风险,提高贸易效率,提升中国企业在国际贸易中的地位,笔者对目前国际商业交易模式进行了总结,并对每种交易模式的特点和风险进行了分析。在此基础上,运用层次分析法构建基于大数据的国际商务交易风险评估模型,为我国企业评估国际商务交易风险提供有效手段。
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引用次数: 1
Research on Anti-Interference Control Technology of Satellite Communication Confidential Signal Transmission 卫星通信保密信号传输抗干扰控制技术研究
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00041
Zheng Jianyun, Gao Jing, Ji Kai, Guo Yi
Satellite communication secret signal transmission is a kind of spread spectrum communication. It is easy to produce multi-path interference in the process of generating satellite communication secret signal spread spectrum code sequence at the receiver, so it is necessary to suppress the multi-path interference and reduce the bit error rate (BER) of satellite communication confidential signal reception. A multi-path interference suppression algorithm for satellite communication confidential signal transmission based on passive time flip mirror control and matching filtering is proposed. The spread spectrum channel model and satellite communication secret signal transmission model of satellite communication secret signal transmission are constructed. The time mirror inversion technology is used to realize the effective estimation of the channel, the multi-path component of the received array element in satellite communication secret signal transmission is adjusted, the interference signal is decomposed into positive signal and time mirror inversion negative signal, and then the symbol splicing is carried out to realize the compression coding of satellite communication secret signal, and the focusing gain is obtained. The multi-path interference is eliminated. The simulation results show that the algorithm can effectively improve the focusing performance of the output impulse response of the satellite communication confidential signal transmission system, improve the anti-interference ability of satellite communication confidential signal transmission, and reduce the communication bit error rate.
卫星通信秘密信号传输是扩频通信的一种。在接收端产生卫星通信保密信号扩频码序列的过程中容易产生多径干扰,因此有必要抑制多径干扰,降低卫星通信保密信号接收的误码率。提出了一种基于无源时间倒装镜控制和匹配滤波的卫星通信机密信号传输多径干扰抑制算法。建立了卫星通信秘密信号传输的扩频信道模型和卫星通信秘密信号传输模型。利用时镜反演技术实现信道的有效估计,对卫星通信秘密信号传输中接收阵列元件的多径分量进行调整,将干扰信号分解为正信号和时镜反演负信号,然后进行符号拼接,实现卫星通信秘密信号的压缩编码,并获得聚焦增益。消除了多径干扰。仿真结果表明,该算法能有效提高卫星通信机密信号传输系统输出脉冲响应的聚焦性能,提高卫星通信机密信号传输的抗干扰能力,降低通信误码率。
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引用次数: 0
The Design of File Management System Based on Website and Qr 基于网站和Qr的文件管理系统的设计
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00043
Wang Xiang, Wu Yuhang, Hu Kaiwen, Sun Xiaoli, Zhang Li
The file management of universities has always been a headache nowadays. At present, universities have a variety of public and personal documents or files to manage. The management method still maintains manual physical management, which is time-consuming and laborious, and may even cause serious problems such as "lost file". In order to manage files in a more standardized and efficient way, this design which involves a webpage connected with automation control access system optimizes the archive management of various files. The operation with its linking function allows teachers to preview and edit the retrievable items and the website administer to manage the accounts. The application of webpage can avoid problems such as cumbersome installations and running environment of APPs in mobile phones, and achieves the function of mobile terminals with Quick Look and Quick View, making the files stored at the fixed point and accessible at any time. For the front-end part of the webpage, it draws on a lot of excellent foreign website designs, and applies a flatter icon design and a more fluid transition effect. Connected with the widely-used ASP.Net backend framework, the filing cabinet enjoys a more comfortable and smooth operation experience in addition to its function of efficient filing. Furthermore, it gives the chance to teachers and students to experience the charm of TUTE on the homepage and to get an overview of the university's profile and the latest news. This design is a combination of practicality and aesthetics.
高校档案管理一直是困扰高校的一大难题。目前,高校有各种各样的公共和个人文件或档案需要管理。管理方法仍然保持人工物理管理,耗时费力,甚至可能造成“文件丢失”等严重问题。为了更规范、高效地管理文件,本设计涉及到一个与自动化控制访问系统相连接的网页,对各种文件的档案管理进行了优化。该操作具有链接功能,教师可以预览和编辑可检索项目,网站管理员可以管理账户。网页的应用可以避免手机app安装繁琐、运行环境不佳等问题,实现移动终端的Quick Look和Quick View功能,使文件存储在定点,随时可访问。在网页前端部分,借鉴了国外很多优秀的网站设计,采用了更加扁平化的图标设计和更加流畅的过渡效果。与广泛使用的ASP连接。. Net后端框架,文件柜除了具有高效归档的功能外,还具有更加舒适流畅的操作体验。此外,它让教师和学生有机会在主页上体验TUTE的魅力,并了解TUTE的概况和最新消息。这个设计是实用性和美观性的结合。
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引用次数: 2
Risk Assessment Model and Experimental Analysis of Electric Power Production Based on Big Data 基于大数据的电力生产风险评估模型及实验分析
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00028
Wang Zeyong, Hong Yutian, Tong Zhongzheng
This paper studies the characteristics of big data of power, and aims at the data quality problems faced by power system. It puts forward an assessment method of power system data quality. Based on the characteristics of large power data, a series of indicators influencing the data are analyzed and hierarchically divided to determine the measurement standard of power production data during the process of risk management, namely, the risk index system. Then, the risk assessment model of power data is established by referring to the assessment model in other fields or the rules of deduction and induction in data mining. It can be used to evaluate the quality of power system data, and find a framework and solution suitable for large data quality assessment. Finally, the model is implemented on Hadoop platform, which proves that it takes into account the completeness of the index system, the objectivity of the assessment method and the rapidity of the calculation method.
本文研究电力大数据的特点,针对电力系统面临的数据质量问题。提出了一种电力系统数据质量的评价方法。根据电力大数据的特点,对影响数据的一系列指标进行分析和分层划分,确定电力生产数据在风险管理过程中的计量标准,即风险指标体系。然后,借鉴其他领域的风险评估模型或数据挖掘中的演绎和归纳规则,建立电力数据风险评估模型。它可以用于电力系统数据质量的评估,找到适合于大数据质量评估的框架和解决方案。最后,在Hadoop平台上对该模型进行了实现,证明该模型兼顾了指标体系的完备性、评价方法的客观性和计算方法的快速性。
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引用次数: 1
Issues on Infrared Dim Small Target Detection and Tracking 红外弱小目标检测与跟踪问题研究
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00108
Raziye Eysa, A. Hamdulla
Infrared dim small target detection has always been one of the difficulties in the field of infrared image processing. Due to the long imaging distance, targets usually occupy a few pixels in images, and lack of textural information. Besides, there is usually low contrast between the small targets and backgrounds in infrared images, the small targets are easily immersed in complex backgrounds, also raise the difficulty. Infrared dim small target detection and tracking technology is of great significance and high value in military and civilian applications and has broad application prospects. This paper focuses on the typical algorithm principles and characteristics of infrared dim small target detection and tracking technology. On this basis, the research status and development trend of infrared dim small target detection and tracking technology are predicted.
红外弱小目标检测一直是红外图像处理领域的难点之一。由于成像距离较远,目标通常在图像中占据少量像素,缺乏纹理信息。此外,红外图像中的小目标通常与背景对比度较低,小目标容易陷入复杂的背景中,也增加了检测难度。红外弱小目标检测与跟踪技术在军事和民用应用中具有重要的意义和很高的价值,具有广阔的应用前景。重点介绍了红外弱小目标检测与跟踪技术的典型算法原理和特点。在此基础上,预测了红外弱小目标检测与跟踪技术的研究现状和发展趋势。
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引用次数: 14
The Time and Space Data Model Developments in Ocean 海洋时空数据模型的发展
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00097
Gui Qiuyang, L. Weibo
The analysis has been in progress by the chiefly existing time and space data models of this text, article, etc., and pointed out the question of the merit of various models as well as existence. By way of studying ocean time and space data the applications in reality of model, to the ArcGIS ocean time and space data organizations methods and improve the scheme has been in progress research, and to studies the ocean time and space data model theory possesses the fixed meaning with the application being mutually related.
对本文、文章等主要现有的时空数据模型进行了分析,并指出了各种模型的优点和存在的问题。通过研究海洋时空数据模型在现实中的应用,对ArcGIS海洋时空数据的组织方法和改进方案的研究一直在进行中,研究海洋时空数据模型理论与应用具有相互关联的固定意义。
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引用次数: 0
Application of Matlab Calibration Toolbox for Camera's Intrinsic and Extrinsic Parameters Solving Matlab标定工具箱在摄像机内外参数求解中的应用
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00032
Weng Xue-jun, Ge Dong-yuan, Yao Xi-fan
According to the mathematical model of the camera, the formula of camera parameter calibration algorithm is derived. The Matlab calibration toolbox is used to design a simulated checkerboard grid according to the requirements. The coordinates of the corners of the checkerboard grid in space and the coordinates in the image plane are used to calibrate the algorithm. The calibration algorithm is given, and the simulation results and error analysis are given to obtain the optimization results. The internal parameters of the camera and the external parameters in different states are obtained to realize the calibration of the camera.
根据摄像机的数学模型,推导了摄像机参数标定算法的公式。利用Matlab标定工具箱,根据要求设计仿真棋盘格。利用棋盘格网格的空间角坐标和图像平面的坐标对算法进行标定。给出了标定算法,并给出了仿真结果和误差分析,得到了优化结果。获取摄像机在不同状态下的内部参数和外部参数,实现摄像机的标定。
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引用次数: 3
Web Log Analysis Based on Hadoop Technology 基于Hadoop技术的Web日志分析
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00136
Zhao Yongjian
The world is now in the information age. It is important to explore the valuable information from massive and diverse data. The analysis of the website log has great significance in practical application. Hadoop framework can provide reliable, scalable, distributed processing of large data sets. Hadoop series framework is utilized to conduct offline data processing and analysis for the website access log. The number of different browser, which visits to the master site access log, is counted. Different browser kernel, operating system, terminal type and other content access times are calculated and analyzed.
当今世界正处于信息时代。从海量多样的数据中挖掘有价值的信息是非常重要的。对网站日志的分析在实际应用中具有重要意义。Hadoop框架可以提供可靠的、可扩展的、分布式的大型数据集处理。利用Hadoop系列框架对网站访问日志进行离线数据处理和分析。计算访问主站点访问日志的不同浏览器的数量。计算并分析了不同浏览器内核、操作系统、终端类型等对内容的访问次数。
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引用次数: 0
Research on Liquidity Risk Measurement Method of Financial Block Chain Based on Sand Box 基于沙盒的金融区块链流动性风险度量方法研究
Pub Date : 2019-08-01 DOI: 10.1109/ICSGEA.2019.00111
Shuang Wang
To solve the problem of low accuracy of liquidity risk measurement of financial blockchain, this paper proposes a method based on sandbox to measure liquidity risk of financial blockchain. this paper proposes to collect the current flow information of financial block chain, divide the liquidity risk level of financial block chain according to the collected results, and optimize the risk measurement algorithm in combination with sandbox principle, thus realizing the quasi-measurement of liquidity risk of financial block chain. Finally, the experiment proves that the liquidity risk measurement method of financial block chain based on sandbox has higher accuracy and effectiveness.
为解决金融区块链流动性风险计量准确性不高的问题,本文提出了一种基于沙盒的金融区块链流动性风险计量方法。本文提出收集金融区块链的当前流量信息,根据收集到的结果划分金融区块链的流动性风险等级,并结合沙盒原理优化风险度量算法,从而实现金融区块链流动性风险的准度量。最后,实验证明了基于沙盒的金融区块链流动性风险度量方法具有较高的准确性和有效性。
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引用次数: 1
期刊
2019 International Conference on Smart Grid and Electrical Automation (ICSGEA)
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