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2022 IEEE 4th Eurasia Conference on IOT, Communication and Engineering (ECICE)最新文献

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Study on Evaluation Model of International Chinese Teachers’ Digital Competence in Online Teaching Based on K-Means Clustering Algorithm 基于k均值聚类算法的国际汉语教师在线教学数字能力评价模型研究
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042913
Liqing Yang, Qicheng Wang, Tianyu Wang, Xintong Ma
The research aim of this paper is to evaluate the digital competence of international Chinese teachers.In order to accurately and objectively evaluate the international Chinese teachers’ digital competence standards, we used methods of data mining.The research procedure included the establishment of indicators of teachers’ digital competence and the construction of models.We chose the European Teachers’ Digital Competence Framework which includes 22 research indicators as the index dimension and used a developed convolutional neural network, k clustering and the fuzzy clustering algorithm. We created an evaluation model as a result. The results of several tests show that the model is stable and plausible. The model can be used to analyze the trend and distribution of digital ability among international Chinese teachers, as well as to evaluate international Chinese teachers’ s digital ability. The innovation of the result is the creation of a theoretical evaluation model to evaluate teachers’ digital ability.
本文的研究目的是评估国际汉语教师的数字能力。为了准确客观地评价国际汉语教师的数字能力标准,我们采用了数据挖掘的方法。研究过程包括教师数字能力指标的建立和模型的构建。我们选择了包含22个研究指标的欧洲教师数字能力框架作为指标维度,并使用了发达的卷积神经网络、k聚类和模糊聚类算法。因此,我们创建了一个评估模型。多次试验结果表明,该模型是稳定的、合理的。该模型可用于分析国际汉语教师数字能力的趋势和分布,并对国际汉语教师的数字能力进行评价。结果的创新是建立了评价教师数字化能力的理论评价模型。
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引用次数: 0
Study of Turns Impact on ESD-immunity of High-voltage nLDMOSs with a Constant Floating-poly 恒浮聚高压nLDMOSs匝数对抗静电性影响的研究
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042892
Xing-Chen Mai, Xiu-Yuan Yang, Shen-Li Chen, Ting-En Lin, Yu-Jie Chung
A TSMC $0.18- mu mathrm{m}50 -mathrm{V}$ process is used to realize high-voltage nLDMOS devices. The floating-poly (poly-2) shows a spiral shape in the layout diagram. Commonly, the electric field in an nLDMOS decreases if the area is occupied by the poly-2 increases. However, the method used in this study is to increase or decrease the number of turns with the same occupied area of poly-2. Therefore, we studied whether the electric field rises or falls depending on the number of turns or the area occupied without changing the area occupied by poly-2. The reference device had the poly-2 with seven turns, and the other groups had 9 turns or 3 and 5 turns. Eventually, the highest electric field of the 9-turn device was 2.76 x 108 (V/cm), and its occupied area is the most dispersed distribution. For the 3 circles device is the most concentrated, the lowest electric field is 3.39 x 106 (v/cm). If the occupied area remains unchanged, the electric field is greatly reduced with the concentrated poly-2.
采用TSMC $0.18- mu mathm {m}50 - mathm {V}$工艺实现高压nLDMOS器件。浮动多边形(poly-2)在布局图中显示为螺旋形状。通常,如果poly-2占据的面积增加,nLDMOS中的电场就会减小。然而,本研究采用的方法是增加或减少poly-2占用相同面积的匝数。因此,我们研究了在不改变poly-2占据的面积的情况下,电场的上升或下降是否取决于匝数或占据的面积。参考装置为7圈poly-2,其他组为9圈或3圈和5圈。最终,9匝器件最高电场为2.76 × 108 (V/cm),占据面积分布最分散。3圆器件最集中,最低电场为3.39 × 106 (v/cm)。当占据面积不变时,聚-2的集中使电场大大减小。
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引用次数: 0
Real-Time Dynamic Configuration of Firewall Rules for High-Speed IoT Networks 高速物联网防火墙规则的实时动态配置
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042899
Yu-An Shao, C. Chao
The Internet of Things (IoT) is indispensable to modern society. It has entered the mainstream trend recently owing to its ability to read data and connect systems. IoT network platforms comprise various applications, leading to an influx of heavy and varying network traffic, allowing hackers to launch large-scale network attacks easily. When hackers gain control of an IoT device, they can initiate large-scale botnet attacks even through nonconventional computing devices such as cameras and routers. For example, Dyn, a domain name system provider, experienced large-scale distributed denial-of-service attacks on its IoT devices in 2016, causing companies, such as Twitter and Amazon, to suffer the consequences. Therefore, adapting to large-scale changes in network traffic in real-time is imperative. Firewalls are the foundation of device security. Therefore, when large-scale changes in network traffic occur, it is necessary to ensure the effectiveness of firewalls to reduce the probability of successful attacks. This study proposes a system that can adjust the order of firewall rules in real-time to monitor the traffic in high-speed IoT networks. When the system detects a sudden increase in the number of packets, the firewall rules are reordered and applied immediately to ensure security. Additionally, the original filtering effect of the firewall is maintained without being compromised. The test results indicate that high-speed network firewall performance has improved significantly with no abnormality detected in the filtering effect.
物联网(IoT)是现代社会不可或缺的一部分。由于它具有读取数据和连接系统的能力,最近进入了主流趋势。物联网网络平台包含各种应用,导致大量不同的网络流量涌入,黑客很容易发动大规模的网络攻击。黑客一旦控制了物联网设备,就可以通过摄像头、路由器等非常规计算设备发动大规模僵尸网络攻击。例如,2016年,域名系统提供商Dyn的物联网设备遭受了大规模的分布式拒绝服务攻击,导致Twitter和亚马逊等公司遭受了后果。因此,实时适应网络流量的大规模变化势在必行。防火墙是设备安全的基础。因此,当网络流量发生大规模变化时,需要保证防火墙的有效性,以降低攻击成功的概率。本研究提出了一种可以实时调整防火墙规则顺序的系统,用于高速物联网网络的流量监控。当系统检测到报文数量突然增加时,会立即重新排序并应用防火墙规则,以保证安全。同时保持了防火墙原有的过滤效果,不影响防火墙原有的过滤效果。测试结果表明,高速网络防火墙的性能有了明显的提高,过滤效果没有发现异常。
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引用次数: 0
License Plate Recognition Model For Tilt Correction Based on Convolutional Neural Network 基于卷积神经网络的车牌倾斜校正识别模型
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042868
Chien-Chang Chen, Yu-Yang Lin, Jing-Chung Shen
The purpose of the study was to discuss how a tilted license plate (LP) affects the accuracy of LP recognition and how to improve a recognition system. The character segmentation on tilted LP usually causes character segmentation to be incomplete or out of range, which leads to a decrease in the accuracy rate of character recognition. We propose a method to improve the accuracy of LP recognition and reduce the prediction model training time for the recognition system. The study has four steps which are LP location, LP correction, character segmentation, and character recognition. Firstly, LP was located and zoomed in with YOLOv4 to reduce irrelevant noise and background value. Secondly, the system analyzed pixel changes of each angle with a horizontal projection and corrected the horizontal tilt angle for the LP. Then, the system used vertical projection to move the upper and lower half pixels of the LP in opposite directions. By analyzing the projection status of each angle, the system then corrected the vertical tilt angle for the LP. Thirdly, the system performed character segmentation on the corrected LP. This was done by extracting each character. Lastly, given more than 9,000 character images from step three, the recognition system with Convolutional Neural Network (CNN) trained the prediction model with the feature selection of the maximum pooling layer. Finally, the recognition system accuracy of predicting the uncorrected LP is 96.1% after 25 epochs, while the recognition accuracy of predicting corrected LP is 99% after 10 epochs. The accuracy of LP recognition was increased from 96.1 to 99% after LP tilt correction. CNN training time was decreased from 25 epochs to 10 epochs.
本研究的目的是探讨车牌倾斜如何影响车牌识别的准确性,以及如何改进识别系统。在倾斜LP上进行字符分割时,往往会出现字符分割不完整或字符分割超出范围的情况,从而导致字符识别准确率下降。提出了一种提高低语料识别准确率和减少识别系统预测模型训练时间的方法。该研究分为四个步骤,即LP定位、LP校正、字符分割和字符识别。首先,利用YOLOv4对LP进行定位和放大,去除无关噪声和背景值;其次,系统通过水平投影分析各角度像素的变化,并对LP进行水平倾角校正;然后,系统使用垂直投影将LP的上下半像素沿相反方向移动。通过分析各个角度的投影状态,系统修正了LP的垂直倾斜角。第三,对校正后的LP进行字符分割。这是通过提取每个字符来完成的。最后,给定第三步的9,000多张字符图像,卷积神经网络(CNN)识别系统使用最大池化层的特征选择来训练预测模型。最后,识别系统在25次迭代后对未校正LP的预测准确率为96.1%,而在10次迭代后对校正LP的预测准确率为99%。LP倾斜校正后,LP识别正确率由96.1提高到99%。CNN的训练时间从25个epoch减少到10个epoch。
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引用次数: 0
Ensemble and Unsupervised Machine Learning Applied on Laser Ablation Quality Study of Silicon Nitride during CMOS-MEMS Post Processing 集成和无监督机器学习在CMOS-MEMS后处理过程中氮化硅激光烧蚀质量研究中的应用
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042858
Chien-Chung Tsai, Chih-Chun Chan
This work proposes a brand-new approach for the laser ablation study of Si3 N4 film based upon unsupervised machine learning (ML) in the CMOS-MEMS process. The study demonstrates that energy and interval time dominate laser ablation quality for green light 532nm. There are four rational classes for this task by the k-means algorithm. While the interval time is longer than 70 s, the mean laser ablation quality (reb) is more than 80%. The interval time is shorter than the 50s which reb is less than 74%. The result shows energy 0.318mJ, interval time 84 seconds, pulse shots 5 times, and left pad position to have the maximum reb of 88.64% compared to other conditions. Finally, there is a statistically significant relationship between energy and reb based on the P-value of OLS regression. Typical ensemble learners Decision Tree and Random Forest have the appropriate classification ability.
本文提出了一种基于CMOS-MEMS工艺中无监督机器学习(ML)的si3n4薄膜激光烧蚀研究的全新方法。研究表明,能量和间隔时间是532nm绿光激光烧蚀质量的主要因素。通过k-means算法,这个任务有四个合理的类。当间隔时间大于70 s时,平均激光烧蚀质量(reb)可达80%以上。间隔时间比50秒短,间隔时间小于74%。结果表明:能量0.318mJ,间隔时间84秒,脉冲射击5次,左垫位置与其他条件相比,最大reb为88.64%。最后,根据OLS回归的p值,能量与reb之间存在统计学上显著的关系。典型的集成学习器决策树和随机森林具有适当的分类能力。
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引用次数: 0
Development of Tool Management System based on Django Web Framework 基于Django Web框架的工具管理系统的开发
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042890
Jenn‐Yih Chen, Yi-Ling Lin, B. Lee
To maintain process stability and yield improvement in a small and diverse market, digitization equipment and managing tools intelligently through the IoT are necessary. Although many traditional manufacturing factories have used IoT technologies, they cannot control the tracking flow and condition of each cutting tool owing to a lack of systematic tools. This easily causes machine downtime or even damage to the machine spindle due to tool-related problems. Therefore, the tool management system (TMS) in this study is designed based on a browser/server (B/S) web architecture and is designed to use a non-relational database for storing tool data with a non-fixed structure. The TMS is proposed to integrate two management modes: tool management and engineering development. The functions of tool management are mainly about querying the database through specific codes and keeping the usage records oftools. It enables processing staff, purchasing staff, warehousing staff, and administrators to have useful information on each tool at each stage. In addition to recording the usage of the tools, when the inventory level of the tools is lower than the safety level, the purchaser is immediately notified to place an order with the tool supplier for shortening the tool preparation time. On the other hand, the functions of the engineering development are designed for CAD/CAM manufacturing staff to query the tool inventory through the TMS to obtain suitable matching components in real-time. DXF files are used to assemble tool components and generate 3D models in CAM software for simulation tests. Then, the production staffprepares the tools according to the tool list from the simulation. The staff of the measurement department also measures and updates the tool compensation data of the TMS. Thus, the operator quickly places the tool into the corresponding number on the tool magazine (or turret head) and update the correct compensation value of the CNC controller via TCP/IP.
为了在小而多样化的市场中保持工艺稳定性和良率的提高,数字化设备和通过物联网智能管理工具是必要的。虽然许多传统制造工厂已经使用了物联网技术,但由于缺乏系统的工具,他们无法控制每个刀具的跟踪流程和状态。这很容易导致机器停机,甚至损坏机床主轴由于工具相关的问题。因此,本研究的工具管理系统(TMS)基于浏览器/服务器(B/S) web架构,采用非关系型数据库存储非固定结构的工具数据。TMS集成了工具管理和工程开发两种管理模式。工具管理的功能主要是通过特定的代码查询数据库和保存工具的使用记录。它使处理人员、采购人员、仓储人员和管理员能够在每个阶段获得关于每个工具的有用信息。除了记录工具的使用情况外,当工具的库存水平低于安全水平时,会立即通知购买者向工具供应商下订单,以缩短工具准备时间。另一方面,设计了工程开发功能,供CAD/CAM制造人员通过TMS查询刀具库存,实时获取合适的匹配部件。在CAM软件中使用DXF文件组装工具部件并生成三维模型进行仿真测试。然后,生产人员根据仿真得到的刀具清单准备刀具。测量部门的工作人员也测量和更新TMS的刀具补偿数据。因此,操作员迅速将刀具放入刀具库(或转塔头)上的相应编号中,并通过TCP/IP更新CNC控制器的正确补偿值。
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引用次数: 0
D3QN-based Elevator Scheduling Algorithm for Robots 基于d3qn的机器人电梯调度算法
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042835
Yan Ke, Yun-Shuai Yu, Cheng-Tung Sun, Chia-Yen Wu
In this study, we proposed an elevator scheduling algorithm based on a Dueling Double Deep Q Network (D3QN) for robots. The rewards for the elevator car allocation decision are estimated based on the robots’ journey time, the number of floors an empty car traverses, and how the car allocation meets the robots’ priorities. The Robotics Middleware Framework (RMF) was adopted to be the simulator. The performance of the proposed algorithm was compared to an existing LOOK algorithm. The simulation results show that the proposed method outperforms the existing LOOK method in terms of the robots’ journey time and how the car allocation meets the robots’ priorities at the cost of a higher number of floors traversed by an empty car.
本文提出了一种基于Dueling双深度Q网络(D3QN)的机器人电梯调度算法。电梯轿厢分配决策的奖励是根据机器人的行程时间、空车经过的楼层数以及轿厢分配如何满足机器人的优先级来估计的。采用机器人中间件框架(RMF)作为仿真平台。将该算法的性能与现有的LOOK算法进行了比较。仿真结果表明,该方法在机器人的行程时间和车辆分配如何满足机器人的优先级方面优于现有的LOOK方法,而代价是空车通过的楼层数更多。
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引用次数: 0
Image Recognition of River Water Gauges Using Polynomial Regression Model for Predicting Binarization Threshold 基于多项式回归模型预测二值化阈值的河流水位仪图像识别
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042942
Jui-Fa Chen, Po-Chun Wang, Sin-Man Wong, Yu-Ting Liao
Taiwan is frequently affected by typhoons. Typhoons bring heavy rainfall and cause rapid river level rise and even flooding. In the past, high-accuracy but costly equipment, which could not be widely distributed, was used for hydrological observation. It caused us unable to obtain regional hydrological information in real-time. Currently, CCTV has been widely distributed in rivers in Taiwan, and real-time weather information can be accessed through the Internet by the public. Using CCTV and public weather information, we analyzed the images of the water level gauge to provide real-time regional hydrological information for early flood warnings. The image binarization is used for the analysis of water levels. However, because of the differences in environmental factors such as time, weather, and sunrise/sunset time, a set of different thresholds must be used for the binarization in image processing. In this study, a polynomial regression model for predicting the binarization threshold was proposed. According to the changes in environmental factors, the threshold required for image binarization was predicted in real-time, thereby improving the image recognition rate of water gauges.
台湾经常受到台风的影响。台风带来强降雨,导致水位迅速上升,甚至洪水泛滥。过去的水文观测采用精度高但价格昂贵的设备,而且不能广泛分布。这导致我们无法实时获取区域水文信息。目前,CCTV已广泛分布在台湾的河流中,公众可通过互联网获取实时天气信息。利用CCTV和公共气象信息,对水位计图像进行分析,为洪水早期预警提供实时区域水文信息。图像二值化用于水位分析。然而,由于时间、天气、日出/日落时间等环境因素的差异,在图像处理中必须使用一组不同的阈值进行二值化。本文提出了一种预测二值化阈值的多项式回归模型。根据环境因素的变化,实时预测图像二值化所需的阈值,从而提高水表图像识别率。
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引用次数: 0
Detection and Prediction of Diabetes Using Simple Fuzzy-Perceptron Learning Network 基于简单模糊感知器学习网络的糖尿病检测与预测
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042896
L. Liao, Wei Huang
The fuzzy inference system with expert knowledge can propose interpretable solutions for the uncertainties of clinic data. The learning concept of perceptron networks is simple and close to human thinking. In this study, we used fuzzy inference systems and perceptron learning networks (FIS-PLN) to detect and predict diabetes. For diagnosis of diabetes, insulin, glucose, and BMI are critical and relevant indices. In the detection system, the medical data of insulin, glucose, and BMI were sent to the fuzzy system in advance before training the PLN. The fuzzy system inferred a cross-effect grade that revealed the impact of the medical features on diabetes. The cross-effect grade and other medical data were combined and applied to train the PLN. The testing results demonstrated that under the same simulation conditions and medical features, the FIS-PLN model performed better predictions than PLN. The prediction accuracy approached 79.4% and the AUC of the FIS-PLN model was near 0.843.
具有专家知识的模糊推理系统可以对临床数据的不确定性提出可解释的解决方案。感知器网络的学习概念简单,接近人类思维。在这项研究中,我们使用模糊推理系统和感知器学习网络(FIS-PLN)来检测和预测糖尿病。对于糖尿病的诊断,胰岛素、葡萄糖和BMI是至关重要的相关指标。在检测系统中,在训练PLN之前,将胰岛素、葡萄糖、BMI等医疗数据提前发送到模糊系统。模糊系统推断出一个交叉效应等级,揭示了医学特征对糖尿病的影响。交叉效应等级与其他医学数据相结合,用于训练PLN。测试结果表明,在相同的模拟条件和医学特征下,FIS-PLN模型的预测效果优于PLN模型。FIS-PLN模型的预测精度接近79.4%,AUC接近0.843。
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引用次数: 0
Study on Available Cloud Manufacturing Platforms for Additive Manufacturing Technologies 面向增材制造技术的可用云制造平台研究
Pub Date : 2022-10-28 DOI: 10.1109/ECICE55674.2022.10042822
Matthias Milan Strljic, Islam Younes, O. Riedel
Additive manufacturing technologies provided one of the most adaptable manufacturing processes for digital commissioning via the growing cloud manufacturing paradigm. This was facilitated by a low-complexity tool chain for the manufacturing process along the CAD-CAM chain and the process to be executed on the equipment. However, additive processes have grown far beyond the initial FDM processes and also offer more complex materials with unique properties in addition to other processes. The four most common manufacturing processes FDM, SLA, SLS, and SLM were used as a basis, and existing cloud manufacturing platforms offering all these four technologies as a bundle were gathered via a structured survey. Out of 42 platforms, 17 platforms were researched, filtered and analyzed using sample components and a catalog of requirements consisting of five requirement clusters: material, functional scope, final costs, delivery and user-friendliness. The results were weighted for each technology and finally evaluated in an overarching discussion. The achieved scores and the special features of a platform are discussed and a recommendation is made.
通过不断发展的云制造模式,增材制造技术为数字化调试提供了最具适应性的制造工艺之一。这得益于沿CAD-CAM链的制造过程的低复杂性工具链和在设备上执行的过程。然而,添加剂工艺已经远远超出了最初的FDM工艺,并且除了其他工艺外,还提供了具有独特性能的更复杂的材料。本研究以FDM、SLA、SLS和SLM四种最常见的制造工艺为基础,并通过结构化调查收集了现有的云制造平台,将所有这四种技术捆绑在一起。在42个平台中,使用样本组件和由五个需求集群组成的需求目录对17个平台进行了研究、过滤和分析:材料、功能范围、最终成本、交付和用户友好性。对每种技术的结果进行加权,最后在总体讨论中进行评估。讨论了所取得的成绩和某平台的特点,并提出了建议。
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引用次数: 0
期刊
2022 IEEE 4th Eurasia Conference on IOT, Communication and Engineering (ECICE)
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