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Proceedings of the 2019 International Conference on Precision Machining, Non-Traditional Machining and Intelligent Manufacturing (PNTIM 2019)最新文献

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Research on Real-Time Exchange Strategy Model Based on Grid Communication Data 基于网格通信数据的实时交换策略模型研究
Liu Qing, Tang Wei, Liu Xu
The data exchange processing technology in the grid communication data technology system can be calculated for scenarios with real-time analysis requirements. It has the characteristics of real-time calculation, low latency and high scalability, and provides a new idea for solving the problem of exchange and sharing of grid communication data. Therefore, the data real-time exchange processing technology in the paper is applied to grid communication data exchange problem, and the semantic similarity calculation is combined to realize a data exchange strategy without uniform data standard, and the architecture model of supporting platform is designed to provide reference for the exchange and sharing of grid
网格通信数据技术系统中的数据交换处理技术可以针对有实时分析需求的场景进行计算。它具有计算实时、时延低、可扩展性高等特点,为解决网格通信数据的交换和共享问题提供了一种新的思路。因此,本文将数据实时交换处理技术应用于网格通信数据交换问题,结合语义相似度计算实现无统一数据标准的数据交换策略,并设计支撑平台的体系结构模型,为网格的交换共享提供参考
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引用次数: 0
Construction and Application of Machine Learning Model in Network Intrusion Detection 机器学习模型在网络入侵检测中的构建与应用
Qi Guanglei, Chen Zhijiang, Zhao Haiying, Wu Chensheng
The modeling of network intrusion detection is an important network security protection technology. The current network intrusion detection model can not accurately describe the intrusion behavior, resulting in incomplete network intrusion detection. Therefore, a network intrusion detection model based on machine learning algorithm was designed. In addition, support vector machine (SVM) fits the mapping relationship between network intrusion detection characteristics and network intrusion behavior, and established a network intrusion detection model that reflected the relationship between the two aspects. Finally, the experimental results showed that the model not only can accurately identify the network intrusion behavior, but also has a very fast detection speed. It has obtained better network intrusion detection results than other models, and had a wide application prospect. Keywords-Network Intrusion Detection; Machine Learning; SVM; Network Security
网络入侵检测建模是一项重要的网络安全防护技术。现有的网络入侵检测模型不能准确地描述入侵行为,导致网络入侵检测不完整。为此,设计了一种基于机器学习算法的网络入侵检测模型。此外,支持向量机(SVM)拟合了网络入侵检测特征与网络入侵行为之间的映射关系,建立了反映两者关系的网络入侵检测模型。最后,实验结果表明,该模型不仅能够准确识别网络入侵行为,而且具有非常快的检测速度。该模型取得了较好的网络入侵检测效果,具有广阔的应用前景。关键词:网络入侵检测;机器学习;支持向量机;网络安全
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引用次数: 0
Study on the Moisture Absorption and Bending of Carbon Fiber Composite Material 碳纤维复合材料吸湿及弯曲性能研究
Cheng Wen, Cao Yan, Fan QingMing, Shen Bing
The research object of this paper is a kind of carbon fiber composite material that is used in a special UAV in a certain marine area. The purpose of the research is to understand the material properties of this composite in extreme hot and humid environments. First of all, this material was subjected to a 24-hour cycle damp heat test that lasted sixty days. The test temperature was 70°C and the relative humidity is 85%. The results of the damp heat test basically reflected the hygroscopic property of the composite material accorded with Fick's first law. Secondly, since the components of the UAV structure that use this material are primarily subjected to bending loads, three-point bending tests were conducted with the specimens subjected to different stages of damp heat tests. Finally, the decay of the bending properties of this composite material in the hygrothermal condition was obtained by the experimental data analysis, which provides technical support for its applications in engineering. Keywords-Carbon Fiber Composite Material; Damp Heat Test; Hygroscopic Property; Three-Point Bending Test
本文的研究对象是一种用于某海域特种无人机的碳纤维复合材料。研究的目的是了解这种复合材料在极端高温和潮湿环境下的材料性能。首先,对该材料进行了为期60天的24小时循环湿热试验。试验温度为70℃,相对湿度为85%。湿热试验结果基本反映了复合材料的吸湿性能符合菲克第一定律。其次,由于使用该材料的无人机结构部件主要承受弯曲载荷,因此对试件进行了不同阶段的湿热试验,进行了三点弯曲试验。最后,通过实验数据分析得出了该复合材料在湿热条件下弯曲性能的衰减规律,为其工程应用提供了技术支持。关键词:碳纤维复合材料;湿热试验;吸湿财产;三点弯曲试验
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引用次数: 0
Research on Configuration Strategy of Optical Storage Charging Station 光存储充电站配置策略研究
Lu Haiqiang, Lu Shuijin, Mo Yujie
Energy storage charging pile participating in the joint operation of power grid can not only reduce the cost of power grid expansion, but also obtain the benefit of participating in the auxiliary management service of power grid demand side response, so as to reduce operation cost. In this paper, energy storage charging pile is used to participate in the joint operation optimization of grid demand side response, and a model of optimal allocation of container energy storage in distribution network is proposed. Based on operation strategy of Optical storage charging station vehicle, the model aims to maximize investor's income in investment cycle, considering the income of participating in the voltage regulation, the subsidy income of delaying upgrading of distribution network, its investment and operation cost, and considering the constraints of voltage regulation of distribution network, the conversion of access nodes, energy conservation, etc., so as to optimize the number and rated capacity of Optical storage charging station vehicle. Finally, the case study of ieee33 node system is carried out. The results show that optimal configuration model can make investors of optical storage charging station gain profits and improve the economy of optical storage charging station. Keywords-Distribution Network; Container Energy Storage; Optimal Configuration; Voltage Control
储能充电桩参与电网联合运行,不仅可以降低电网扩容成本,还可以获得参与电网需求侧响应辅助管理服务的效益,从而降低运行成本。本文利用储能充电桩参与电网需求侧响应联合运行优化,提出了配电网集装箱储能优化配置模型。该模型基于光储能充电站车辆的运行策略,以投资者在投资周期内的收益最大化为目标,考虑了参与调压的收益、延迟配电网升级的补贴收益、其投资和运行成本,并考虑了配电网调压、接入节点转换、节能等约束。从而优化光存储充电站车辆的数量和额定容量。最后,对ieee33节点系统进行了实例研究。结果表明,优化配置模型可以使光存储充电站的投资者获得收益,提高光存储充电站的经济性。Keywords-Distribution网络;集装箱储能;最优配置;电压控制
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引用次数: 0
Research on Minimum Length Calculation of Skid-Mounted Small-Diameter Pipe Weight Bar 撬装小直径管重杆最小长度计算研究
X. Jijun
The drainage gas recovery operation with small-diameter continuous pipes is applicable to the one in natural gas well with low pressure, low production and low water content. Its advantages exhibit as the following: 1) high efficiency on continuous running of pipe string under pressure; 2) production while operation; 3) correct monitoring the position of ejection head; and 4) précised control of ejection quantity. Due to the small diameter, thin wall thickness and relative low rigidity of pipe string, it is easy to cause bending and deformation during down-hole process and affect the capability of small diameter pipe operation. Aiming at shutting and opening of the well, this thesis analyzes the force of the small-diameter pipe during down process, establishes the corresponding digital model and proposes the calculating method required to run the small-diameter pipes under different status. Taking G25-5 well as example, the appropriate minimum length of weight bar under different working status is given to verify the validness of the method to determine the minimum length of weight bar. Keywords-Skid-Mounted Small-Diameter Pipe; Drainage Gas Recovery & Weight Bar
小口径连续管排水采气作业适用于低压、低产、低含水率的天然气井。其优点是:1)高压下管柱连续下入效率高;2)边经营边生产;3)正确监控引射头位置;4)射精量的程序化控制。由于管柱直径小,壁厚薄,刚性较低,在井下作业过程中容易发生弯曲变形,影响小口径管柱的作业能力。本文以关开井为目标,对小口径管柱下入过程中的受力进行了分析,建立了相应的数字模型,提出了不同状态下小口径管柱下入所需的计算方法。以G25-5井为例,给出了不同工作状态下合适的最小配重杆长度,验证了配重杆最小长度确定方法的有效性。关键词:撬装小管径;排水气体回收和重量棒
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引用次数: 0
Research on the Development Trend of Broadcasting Network Technology Based on K-Means Algorithm 基于k -均值算法的广播网络技术发展趋势研究
L. Yufei, Y. Li
With the coming of the "5 g era", intelligence, digital transformation is a major problem faced by radio, film and television networks. This paper uses the k-means algorithm to analyze its market demand data. According to the clustering analysis, the key attributes of broadcasting network products in the future are extracted. The clustering results can be divided into three categories, and then infer the trend of its technology development: First, the promotion of digital technology, which is from video, audio, text compression coding and modulation transmission, so that the content storage capacity is more abundant, data transmission more rapid. Second, the continuous upgrading of operation platform technology, middleware and system integration technology, including standardization technology, full-service support technology and platform establishment. Third, the improvement of basic network technology, which is from network access technology to network transmission technology, the formation of advanced technology entry point and transmission fluency. Fourth, the optimization of network technology, which is from the network architecture, to form an integrated, mature network system. Keywords-Intelligent Products; K-Means Algorithm; Clustering Analysis
随着“5g时代”的到来,智能化、数字化转型是广电网络面临的一大难题。本文采用k-means算法对其市场需求数据进行分析。通过聚类分析,提取出未来广电网络产品的关键属性。将聚类结果可分为三类,进而推断其技术发展趋势:一是数字技术的推广,即从视频、音频、文本进行压缩编码和调制传输,使内容存储容量更加丰富,数据传输更加迅速。二是运营平台技术、中间件和系统集成技术的不断升级,包括标准化技术、全服务支撑技术和平台建设。三是网络基础技术的提升,即从网络接入技术到网络传输技术,形成先进的技术切入点和传输流畅性。四是网络技术的优化,即从网络架构入手,形成完整、成熟的网络体系。Keywords-Intelligent产品;k - means算法;聚类分析
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引用次数: 0
Evaluation of Open Utilization of Digital Archives Information System 数字档案信息系统开放利用评价
Dou Li, Li Li
{"title":"Evaluation of Open Utilization of Digital Archives Information System","authors":"Dou Li, Li Li","doi":"10.2991/pntim-19.2019.77","DOIUrl":"https://doi.org/10.2991/pntim-19.2019.77","url":null,"abstract":"","PeriodicalId":344913,"journal":{"name":"Proceedings of the 2019 International Conference on Precision Machining, Non-Traditional Machining and Intelligent Manufacturing (PNTIM 2019)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121947497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Dynamic Simulation of Friction - Vibration Test Rig for Planetary Gearbox 行星齿轮箱摩擦振动试验台的设计与动态仿真
Han Zhao, Cao Wei, W. Dong, Ruan Shaolong
In order to prevent the catastrophic accidents caused by the failure of the reducer, based on virtual technology such as CAD/CAE and Solidworks, the friction and vibration testing device of planetary gear reducer was designed, and the weak links of the transmission device were found out, its life and working efficiency has also been improved. In addition, in order to judge the correctness of the design of planetary gear reducer transmission device and optimized the design process of the reducer, Solidworks was used to build the three-dimensional model of the test bench and Adams was used to simulate the motion of the planetary gearbox transmission system. Keywords-Optimization Design; Test Bench; Reducer; Dynamics Analysis
为了防止因减速器故障而造成的灾难性事故,基于CAD/CAE和Solidworks等虚拟技术,设计了行星齿轮减速器的摩擦振动试验装置,找出了传动装置的薄弱环节,提高了传动装置的使用寿命和工作效率。此外,为了判断行星齿轮减速器传动装置设计的正确性,优化减速器的设计过程,利用Solidworks建立了试验台的三维模型,并利用Adams对行星齿轮减速器传动系统的运动进行了仿真。Keywords-Optimization设计;试验台;减速机;动力学分析
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引用次数: 0
HoloLens-Based Power Grid Intelligent Inspection System 基于hololens的电网智能巡检系统
Wu Di, Pan Jianqiao, Pan Bailang, Gu Guodong
Inspection work in substation is one of the normalization work of operation and maintenance in State Grid Corporation substation, and it is also one of the important means to timely discover the obvious and invisible defects of equipment, which plays an vital role in preventing accidents and ensuring the safe and stable operation of equipment. Therefore, Microsoft's HoloLens is applied to the field of equipment detection and intelligent analysis on power system intelligent inspection in this paper. Since HoloLens can be controlled through the voice, hands of inspectors can be freed. Moreover, real-time data uploading and downloading through HoloLens breaks through the obstacles for experts to effectively obtain real-time data on the spot, and the real-time data display technology of virtual video in intelligent substation as well as expert remote diagnosis functionis realized, which contributes to improving the automation level of intelligent substation inspection. Keywords-Hololens; Power Grid Intelligent Inspection; Virtual Video
变电站巡检工作是国网公司变电站运行维护的常态化工作之一,也是及时发现设备明显的、看不见的缺陷的重要手段之一,对防止事故发生,保证设备安全稳定运行起着至关重要的作用。因此,本文将微软公司的HoloLens应用于电力系统智能检测的设备检测和智能分析领域。由于HoloLens可以通过语音控制,因此可以解放检查人员的双手。此外,通过HoloLens进行实时数据上传和下载,突破了专家在现场有效获取实时数据的障碍,实现了智能变电站虚拟视频实时数据显示技术和专家远程诊断功能,有助于提高智能变电站巡检的自动化水平。Keywords-Hololens;电网智能巡检;虚拟视频
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引用次数: 0
Prediction Control of Biomass Combustion Boiler based on Multilayer Perceptron Neural Network 基于多层感知器神经网络的生物质燃烧锅炉预测控制
Yilin Shen
The structure of biomass direct fired boiler differs greatly from that of common fuel powder boiler, so the difference of operation process is great, which will inevitably lead to the difference of operation regulation law. Therefore, it is very important to analyze its technological process and combustion process in detail. All data were analyzed by SPSS17.0. We used the IBM SPSS Modeler 14.1data software to carry out modeling and prediction. The results show that there are 100 neurons in hidden layer and the area under the curve. The model accuracy, sensitivity and specific is 91.96%, 81.22% and 93.77%. Through validation data set validating, the model accuracy, sensitivity and specific is 92.15%, 80.32% and 94.01%. Therefore working process of biomass combustion boiler could accurately predict by MLP neural network model based on characteristics as the input layer variables of prediction model. Keywords-Prediction Control; Multilayer Perceptron; Neural Network;Working Process; Biomass Combustion Boiler
生物质直燃锅炉的结构与普通燃料粉末状锅炉差异较大,因此运行过程差异较大,必然导致运行调节规律的差异。因此,对其工艺过程和燃烧过程进行详细的分析是十分重要的。所有数据均采用SPSS17.0进行分析。我们使用IBM SPSS Modeler 14.1数据软件进行建模和预测。结果表明,隐藏层和曲线下面积有100个神经元。模型的准确度、灵敏度和特异度分别为91.96%、81.22%和93.77%。通过验证数据集验证,模型的准确率、灵敏度和特异度分别为92.15%、80.32%和94.01%。因此,基于特征的MLP神经网络模型作为预测模型的输入层变量,可以准确预测生物质燃烧锅炉的工作过程。Keywords-Prediction控制;多层感知器;神经网络;工作过程;生物质燃烧锅炉
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引用次数: 0
期刊
Proceedings of the 2019 International Conference on Precision Machining, Non-Traditional Machining and Intelligent Manufacturing (PNTIM 2019)
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