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2022 4th International Academic Exchange Conference on Science and Technology Innovation (IAECST)最新文献

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Big data retrieval model of substation area household change relationship based on coupling feature extraction 基于耦合特征提取的变电区户变动关系大数据检索模型
Jianxi Zhang, Mingchun Li, Xiaojing Kang, Jianwu Ding, Zhidong Yang
In order to improve the performance of feature extraction, this paper proposes a new retrieval model based on coupled feature extraction. In this paper, we preprocess the big data, process the big data by distributed fusion, analyze the characteristics of the big data, extract its statistical features, and construct the big data distribution structure model. By extracting the power user coupling feature, the multi-space memory distribution of user variable relation big data features extraction and retrieval is obtained, and the analysis model is optimized. Experimental results show that the retrieval model based on this method can improve the capability of retrieval and information access, which is helpful to improve the retrieval ability to a certain extent.
为了提高特征提取的性能,本文提出了一种新的基于耦合特征提取的检索模型。本文对大数据进行预处理,对大数据进行分布式融合处理,分析大数据的特征,提取大数据的统计特征,构建大数据分布结构模型。通过提取动力用户耦合特征,获得用户变量关系大数据特征提取与检索的多空间记忆分布,并对分析模型进行优化。实验结果表明,基于该方法的检索模型能够提高检索能力和信息访问能力,在一定程度上有助于提高检索能力。
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引用次数: 0
Evaluation method of vehicle-station-net interaction strategy based on entropy weighting and hierarchical analysis 基于熵权和层次分析法的车站网交互策略评价方法
Yanjun Xi, Xuze Zhang, Jian Zhang, Qiang Wang, Fanjie Meng, Yang Ji
In order to address the impact of vehicle-station-grid interaction on multiple parties, a comprehensive evaluation method of "vehicle-station-grid" interaction strategy based on data-simulation fusion analysis is studied using entropy power method and hierarchical analysis for grid, traffic, users and charging stations, etc., which provides an economic, flexible and reliable interaction resource for the system and provides subsequent interaction The method will provide an economical, flexible and reliable interactive resource for the system, and provide directions for the improvement of the subsequent interactive operation strategy.
为解决车-站-网交互对多方的影响,采用熵功率法和网格、交通、用户、充电站等层次分析法,研究了一种基于数据仿真融合分析的“车-站-网”交互策略综合评价方法,为系统提供经济、灵活、可靠的交互资源,并为后续的交互提供保障。为系统提供灵活可靠的交互资源,并为后续交互运营策略的改进提供方向。
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引用次数: 0
3D Visual Simulation of oil Spill Evaporation in the Ship-Handling Simulator 船舶操纵模拟器中溢油蒸发的三维可视化仿真
Zhihong Sun, Yongfeng Suo, Shenhua Yang, Yuxiang Ji
In view of the serious impact of the marine oil spill accident on the marine environment and the relatively lagging emergency response to the accident after the accident. The diffusion of oil spill after an oil spill accident is simulated numerically and in three dimensions using the theory of cellular automata. Initialization of offshore oil spill distribution with initial model input parameters takes into account the airflow factor based on the oil spill spreading toward the surrounding area due to its own gravity at sea. Considering evaporation, attachment, emulsification, dissolution and, shoreline attachment during oil spill dispersion, the oil spill quality of each grid is calculated in discrete time series, and the oil spill quality of different grids is color stratified by edge detection. Finally, the algorithm is integrated into the navigation simulator to simulate the process of oil spill diffusion from the initial state to the influence of the above factors. By continuously observing the simulation results, the algorithm can better simulate the whole process of oil spill diffusion under the influence of the above factors, and integrate it into the navigation simulator to simulate the whole process of oil spill accident occurrence, oil spill dispersion, and emergency treatment. It can realize the Omnidirectional simulation training for oil spill emergency handling agencies and personnel.
鉴于海上溢油事故对海洋环境影响严重,事故发生后应急响应相对滞后。利用元胞自动机理论对溢油事故后溢油扩散过程进行了三维数值模拟。使用初始模型输入参数初始化海上溢油分布时,考虑了溢油在海上由于自身重力向周边扩散所产生的气流因子。考虑溢油扩散过程中的蒸发、附着、乳化、溶解和海岸线附着,以离散时间序列计算每个网格的溢油质量,并通过边缘检测对不同网格的溢油质量进行颜色分层。最后,将该算法集成到导航模拟器中,模拟溢油从初始状态扩散到上述因素影响的过程。通过对仿真结果的持续观察,该算法可以更好地模拟上述因素影响下溢油扩散的全过程,并将其整合到航海模拟器中,模拟溢油事故发生、溢油扩散、应急处理的全过程。可以实现溢油应急处理机构和人员的全方位模拟培训。
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引用次数: 0
Simulation Analysis of Ammonia Diffusion from Vent Mast 排气塔氨扩散的仿真分析
Tingjun Zhan, Zhuohang Jiang, Tingyong Wang, Chaoben Zhao, Weiwu Zeng
Based on the vent mast of LNG ship type, this paper simulates the concentration distribution of ammonia when it is discharged through the vent mast with the maximum discharge in three cases: windless weather, bulk carrier and container ship, and explores the optimal safety range of the vent mast and whether it can meet the relevant requirements of Classification Society. The results show that when there is no wind, when the ship is docked or bunkered, the safe distance radius of the vent mast is at least 30m. On the premise that the distance from the ventilating mast to the stern is 150m, the bulk carrier sails at a speed of 25km/h, and the dangerous space should be above the range of 40m×20m×150m (width×height×length). Large container ships sail at a speed of 45km/h, and the dangerous space should be more than 30m×20m×150m (width×height×length). In the event of large-scale leakage or discharge of ammonia gas, crew members need to wear protective equipment when entering this area.
本文以LNG船型排气桅杆为基础,模拟无风天气、散货船和集装箱船三种情况下,最大排量的氨通过排气桅杆排放时的浓度分布,探讨排气桅杆的最佳安全范围及是否能满足船级社的相关要求。结果表明,在无风情况下,船舶停靠或加油时,通风口桅杆的安全距离半径至少为30m。在通风桅杆到船尾距离为150m的前提下,散货船以25km/h的航速航行,危险空间应在40m×20m×150m (width×height×length)范围以上。大型集装箱船以45公里/小时的速度航行,危险空间应大于30m×20m×150m (width×height×length)。如果发生大规模的氨气泄漏或排放,机组人员进入该区域时需要穿戴防护装备。
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引用次数: 0
Intelligent Positioning Method of Paging Buttons Based on Machine Learning 基于机器学习的寻呼按钮智能定位方法
Jiamin Gao
Information aggregation applications obtain massive amounts of data from the Internet as data support, most of which come from several different websites and need to rely on crawlers to collect from web pages. However, in the process of constructing a crawler system, it is often necessary to manually analyze and locate the web page structure of the target website in order to obtain the most relevant links and traverse the website effectively. In order to improve the automation of the crawler system and reduce manual involvement in the information collection, this paper studies the most common "list page"-"detail page" structure of content display websites, proposes an intelligent positioning method of paging buttons based on machine learning, and conducts experiments on the effectiveness of the method. The experimental results show that the proposed method can intelligently locate the paging buttons in the list page and get the most relevant links, which can improve the automation of the crawler system.
信息聚合应用程序从互联网上获取海量数据作为数据支持,这些数据大多来自多个不同的网站,需要依靠爬虫从网页中进行收集。然而,在构建爬虫系统的过程中,为了获得最相关的链接,有效地遍历网站,往往需要手动分析和定位目标网站的网页结构。为了提高爬虫系统的自动化程度,减少人工对信息收集的介入,本文研究了内容展示网站最常见的“列表页”-“详细页”结构,提出了一种基于机器学习的寻页按钮智能定位方法,并对该方法的有效性进行了实验。实验结果表明,该方法可以智能定位列表页面中的分页按钮,并获得最相关的链接,提高了爬虫系统的自动化程度。
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引用次数: 0
Research on Learning method of text graph representation based on knowledge enhancement 基于知识增强的文本图表示学习方法研究
Yibo Ding, Yang Xiang, Jianting Chen, Ling Ding
In order to solve the problem that traditional text representation learning methods ignore the structure information of the text itself and the key information with high correlation degree not mentioned in the text, a text graph representation learning method based on knowledge enhancement is proposed. Firstly, Bert, bidirectional long short-term memory network and conditional random field are fused to extract entities from financial texts, and then mapped to external large-scale financial maps for knowledge enhancement to obtain the external entity set associated with texts. The external entity set is added to the keyword generation model to realize the node construction of text representation graph. The concept fusion between nodes is realized by the community detection algorithm. According to the co-occurrence relationship of concepts in the text and the correlation relationship between concepts and sentences, the edge is built and the weight is given, so as to realize the construction of text graph representation. Experimental results show that the proposed text graph representation method performs well in the task of text similarity calculation, and performs well on CNSE and CNSS with F1 reaching 82.05 and 88.96 respectively.
为了解决传统文本表示学习方法忽略文本本身的结构信息和文本中未提及的相关度高的关键信息的问题,提出了一种基于知识增强的文本图表示学习方法。首先将Bert、双向长短期记忆网络和条件随机场融合,从金融文本中提取实体,然后映射到外部大规模金融地图进行知识增强,得到与文本相关的外部实体集;在关键字生成模型中加入外部实体集,实现文本表示图的节点构建。通过社区检测算法实现节点间的概念融合。根据文本中概念的共现关系以及概念与句子之间的关联关系,构建边缘并给出权重,从而实现文本图表示的构建。实验结果表明,本文提出的文本图表示方法在文本相似度计算任务中表现良好,在CNSE和CNSS上表现良好,F1分别达到82.05和88.96。
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引用次数: 0
Analysis of the Relationship between Internal Waves and Tidal Currents Based on a SAR Image 基于SAR影像的内波与潮流关系分析
Bingzhi He, K. Zeng
One Envisat ASAR image acquired on 22 July, 2011 is analyzed to study the relationship between amplitude, energy of internal waves and the tidal current in Luzon Strait. Firstly, the amplitude is extracted by a retrieval algorithm based on Euler numerical model. Secondly, internal wave energy is calculated with the amplitude. Thirdly, the generation time in the Luzon Strait is found by tracing the souce of IWs. Finally, the amplitudes of IWs can be determined by analyzing the IW energy and the corresponding tidal current difference. The chosen amplitudes are consistent in the results given by the amplitude retrieval algorithm.
对2011年7月22日获得的一幅Envisat ASAR图像进行分析,研究吕宋海峡内波振幅、能量与潮流的关系。首先,采用基于欧拉数值模型的检索算法提取振幅;其次,利用振幅计算内波能量。第三,通过对陆战信号源的溯源,确定了吕宋海峡陆战信号源的产生时间。最后,通过分析IW能量和相应的潮流差,确定IW的幅值。所选振幅与振幅检索算法给出的结果是一致的。
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引用次数: 0
Design of Intelligent Ammeter Sorting Robot System Based on Digital Twins 基于数字孪生的智能电表分拣机器人系统设计
Qiuying Shen, Min Li, Dan Zhu, Bo Yang, Hao Yan, Sufu Li, Kun Wang
Aiming at the problems of poor environmental adaptability and low efficiency of the ammeter sorting robot under the traditional control method. At first, constructs a digital twins simulation environment for the ammeter sorting robot, trains the robot in the twin system by using deep reinforcement learning. After setting the observation state variable and reward function mechanism, trains the virtual agent by using the SAC (Soft Agent Critical) reinforcement learning algorithm and MLAgent plug-in in the unity engine. After that, analyzes the final training results and the convergence of the average reward value. Finally, realizes effective obstacle avoidance at the end of the robot execution and quickly grab the meter, completes the autonomous planning control of the twins, and reverses control the intelligent meter robot system.
针对传统控制方法下电流表分拣机器人环境适应性差、效率低等问题。首先,构建了电表分拣机器人的数字双胞胎仿真环境,利用深度强化学习对机器人在双胞胎系统中进行训练。在设置了观察状态变量和奖励函数机制后,利用unity引擎中的SAC (Soft agent Critical)强化学习算法和MLAgent插件对虚拟智能体进行训练。然后,分析最终的训练结果和平均奖励值的收敛性。最后,在机器人执行结束时实现有效避障并快速抓取电表,完成对孪生体的自主规划控制,并对智能电表机器人系统进行逆向控制。
{"title":"Design of Intelligent Ammeter Sorting Robot System Based on Digital Twins","authors":"Qiuying Shen, Min Li, Dan Zhu, Bo Yang, Hao Yan, Sufu Li, Kun Wang","doi":"10.1109/IAECST57965.2022.10062264","DOIUrl":"https://doi.org/10.1109/IAECST57965.2022.10062264","url":null,"abstract":"Aiming at the problems of poor environmental adaptability and low efficiency of the ammeter sorting robot under the traditional control method. At first, constructs a digital twins simulation environment for the ammeter sorting robot, trains the robot in the twin system by using deep reinforcement learning. After setting the observation state variable and reward function mechanism, trains the virtual agent by using the SAC (Soft Agent Critical) reinforcement learning algorithm and MLAgent plug-in in the unity engine. After that, analyzes the final training results and the convergence of the average reward value. Finally, realizes effective obstacle avoidance at the end of the robot execution and quickly grab the meter, completes the autonomous planning control of the twins, and reverses control the intelligent meter robot system.","PeriodicalId":423504,"journal":{"name":"2022 4th International Academic Exchange Conference on Science and Technology Innovation (IAECST)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127271457","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
Model and Algorithm for Pick-up Site Optimization Considering Evacuation Demand and Crowd Convenience 考虑疏散需求和人群便利性的上车点优化模型与算法
Mingxia Gao
The location of crowd pick-up sites is of great practical significance in the regional evacuation planning. Most of the previous studies were from a single point of view of managers or evacuees, and there is a lack of comprehensive studies. Considering evacuation demand and the convenience of evacuees, a two-objective optimizing model is constructed to optimize the selection of evacuation pick-up sites from the set of alternative ones, in which the goal is to maximum the coverage of evacuation demand and to minimize the total walking time of evacuees. Based on the characteristics of the model, an improved algorithm based on heritage algorithm is designed, and a numerical example is given. The results show that a more feasible site selection scheme can be obtained by combining the two aspects.
人群聚集点的选址在区域疏散规划中具有重要的现实意义。以往的研究大多是从管理人员或撤离人员的单一角度出发,缺乏全面的研究。考虑疏散需求和疏散人员的便利性,构建双目标优化模型,以最大疏散需求覆盖范围和最小疏散人员步行总时间为目标,从备选地点中优化疏散接点选择。根据模型的特点,设计了一种基于遗传算法的改进算法,并给出了数值算例。结果表明,将这两方面结合起来,可以得到更为可行的选址方案。
{"title":"Model and Algorithm for Pick-up Site Optimization Considering Evacuation Demand and Crowd Convenience","authors":"Mingxia Gao","doi":"10.1109/IAECST57965.2022.10062260","DOIUrl":"https://doi.org/10.1109/IAECST57965.2022.10062260","url":null,"abstract":"The location of crowd pick-up sites is of great practical significance in the regional evacuation planning. Most of the previous studies were from a single point of view of managers or evacuees, and there is a lack of comprehensive studies. Considering evacuation demand and the convenience of evacuees, a two-objective optimizing model is constructed to optimize the selection of evacuation pick-up sites from the set of alternative ones, in which the goal is to maximum the coverage of evacuation demand and to minimize the total walking time of evacuees. Based on the characteristics of the model, an improved algorithm based on heritage algorithm is designed, and a numerical example is given. The results show that a more feasible site selection scheme can be obtained by combining the two aspects.","PeriodicalId":423504,"journal":{"name":"2022 4th International Academic Exchange Conference on Science and Technology Innovation (IAECST)","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127404609","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
Technical framework and architecture of Beidou-3 smart grid converged networking 北斗三号智能电网融合组网技术框架与体系结构
Jiangang Lu, Ruifeng Zhao, Shiming Li, Zhiwen Yu, Haobin Li
BeiDou-3 (BD3) navigation satellite system converged smart grid communication can effectively solve the problems of poor network interconnection, limited coverage, and poor flexibility of data access in the current power communication system, and has broad application space in ensuring data transmission reliability, positioning and search, precise timing, and operation inspection. This paper combines the BD3 precise space-time technology with various communication modes in the ground-based communication network of the power system to construct a BD3 smart grid converged networking framework. The framework combines various communication methods with internet of things (IoT) devices in the power system to form a system that can achieve state prediction, fault diagnosis, and location search functions. The proposed networking framework has reference value in the practical application of smart grid.
北斗三号(BD3)导航卫星系统融合智能电网通信,可有效解决当前电力通信系统网络互联性差、覆盖范围有限、数据接入灵活性差等问题,在保证数据传输可靠性、定位搜索、精准定时、运行巡检等方面具有广阔的应用空间。本文将BD3精确时空技术与电力系统地基通信网络中的多种通信方式相结合,构建了BD3智能电网融合组网框架。该框架将多种通信方式与电力系统中的物联网设备相结合,形成一个能够实现状态预测、故障诊断和位置搜索功能的系统。所提出的组网框架对智能电网的实际应用具有参考价值。
{"title":"Technical framework and architecture of Beidou-3 smart grid converged networking","authors":"Jiangang Lu, Ruifeng Zhao, Shiming Li, Zhiwen Yu, Haobin Li","doi":"10.1109/IAECST57965.2022.10062239","DOIUrl":"https://doi.org/10.1109/IAECST57965.2022.10062239","url":null,"abstract":"BeiDou-3 (BD3) navigation satellite system converged smart grid communication can effectively solve the problems of poor network interconnection, limited coverage, and poor flexibility of data access in the current power communication system, and has broad application space in ensuring data transmission reliability, positioning and search, precise timing, and operation inspection. This paper combines the BD3 precise space-time technology with various communication modes in the ground-based communication network of the power system to construct a BD3 smart grid converged networking framework. The framework combines various communication methods with internet of things (IoT) devices in the power system to form a system that can achieve state prediction, fault diagnosis, and location search functions. The proposed networking framework has reference value in the practical application of smart grid.","PeriodicalId":423504,"journal":{"name":"2022 4th International Academic Exchange Conference on Science and Technology Innovation (IAECST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124780115","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
期刊
2022 4th International Academic Exchange Conference on Science and Technology Innovation (IAECST)
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