发布求助
文献互助 智能选刊 最新文献

2019 11th International Conference on Electrical and Electronics Engineering (ELECO)最新文献

筛选
英文 中文
An Efficient Noncontact Method for Monitoring of Respiratory Rate During Sleep Using Wireless Signals 一种利用无线信号监测睡眠期间呼吸频率的有效非接触方法
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990425
Can Uysal, T. Filik
{"title":"An Efficient Noncontact Method for Monitoring of Respiratory Rate During Sleep Using Wireless Signals","authors":"Can Uysal, T. Filik","doi":"10.23919/ELECO47770.2019.8990425","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990425","url":null,"abstract":"Monitoring of respiratory rate during sleep is very important to prevent a vital condition caused by sleep disorders, especially in non-clinical settings. Conventional methods require many probes connected to various parts of the human body, as well as clinical environments for the measurements. Therefore, noncontact systems have recently attracted attention. In this paper, an efficient noncontact method for the monitoring of respiratory rate during sleep by using wireless radio signals, is proposed. The proposed non-contact system can successfully separate body movements (turnovers), breath holding (apnea) and breathing cases. In this paper, the frequency estimation algorithm, Quinn and Fernandes (QF) method is firstly adapted and used for the respiratory rate estimation. It is shown with the experiments conducted compatible with real-world settings and measurements that the QF method is robust to poor initial estimates, is effective for different sleeping postures and distances, and outperforms the existing benchmark estimation methods.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"37 1","pages":"963-967"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90864839","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
Line Source Scattering by Dielectric Objects inside a Circular Cylinder with Resistive Boundary – Part 1: Forward Scattering 带阻性边界的圆柱体内介电物体的线源散射。第1部分:前向散射
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990583
T. Yelkenci
{"title":"Line Source Scattering by Dielectric Objects inside a Circular Cylinder with Resistive Boundary – Part 1: Forward Scattering","authors":"T. Yelkenci","doi":"10.23919/ELECO47770.2019.8990583","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990583","url":null,"abstract":"In this two-part paper, direct and inverse scattering problems of cylindrical bodies of arbitrary cross section embedded in a circular cylinder with resistive boundary are presented. This work is an extension of the paper Yelkenci [1] to the case of a time-harmonic line source illumination. The numerical data needed for the implementation of the inverse problem are supplied artificially by the approximate numerical solution of the corresponding direct scattering problem. In Part–1, the forward problem is addressed. Part–2 will consider the inverse problem.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"15 1","pages":"623-627"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91153523","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
The Positive Effect of PMI on the Selection of Meaningful Words PMI对有意义词汇选择的积极影响
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990666
A. Toprak, M. Turan
{"title":"The Positive Effect of PMI on the Selection of Meaningful Words","authors":"A. Toprak, M. Turan","doi":"10.23919/ELECO47770.2019.8990666","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990666","url":null,"abstract":"The aim of this study is to enhance the quality of automatic created dictionary. As far as we know, PMI (Pointwise Mutual Information) is the first time applied in order to determine representative words in the literature. A previously developed system is revised to experiment PMI effect on the selection of representative words additionally. Firstly, the meaningful words of the seed document/s are determined by Helmholtz Principle. Then, PMI value is calculated for each of the meaningful words. Meaningful words are sorted by using the total PMI value in decreasing order. Finally, the top n meaningful words are added to the dictionary, where n is experimentally worked. Hash similarity is used to measure the performance of the dictionary. PMI enhances the dictionary quality for all n value. The dictionary hash similarity increases from 40.46% up to 68.75% for the best n value in the experiments.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"235 1","pages":"911-915"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82755173","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: 1
An Adaptive Setting Procedure for Multi-Source Microgrid Protection 一种多源微电网保护自适应整定方法
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990554
Ömer Ustal Berkin Kara, M. Uzun, Cenk Göçer
{"title":"An Adaptive Setting Procedure for Multi-Source Microgrid Protection","authors":"Ömer Ustal Berkin Kara, M. Uzun, Cenk Göçer","doi":"10.23919/ELECO47770.2019.8990554","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990554","url":null,"abstract":"Following the devolution of power generation, there has been a great number of increase in installing the generation units driven by renewable energy sources. Connection of these units into distribution networks provides several benefits to the utilities and customers. However, their connection to the main network creates several difficulties from the protection and control point of views, since they converts the radial distribution networks into microgrids. In order to overcome these problems, the protection and control schemes need to be reconsidered and improved. One of these improved schemes is the adaptive protection. In this approach, settings of overcurrent relays are automatically updated as the system conditions change. This paper deals with an adaptive protection scheme, which requires off-line analysis and reestimation of setting values for every network operation topology. Computer simulation studies used to analyze the performance of the proposed adaptive approach. These studies have shown that an adaptive setting procedure for over current relays is definitely required for a reliable protection and coordination of multi-source microgrids.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"27 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82306310","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: 1
Predicting Customers Intending To Cancel Credit Card Subscriptions Using Machine Learning Algorithms: A Case Study 使用机器学习算法预测打算取消信用卡订阅的客户:案例研究
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990563
Fehim Altınışık, H. Yılmaz
{"title":"Predicting Customers Intending To Cancel Credit Card Subscriptions Using Machine Learning Algorithms: A Case Study","authors":"Fehim Altınışık, H. Yılmaz","doi":"10.23919/ELECO47770.2019.8990563","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990563","url":null,"abstract":"Following paper introduces analysis of machine learning algorithms implemented in order to predict customers of commercial bank who may be in risk of cancelling credit card subscriptions by following three months after a year or less activity. An analysis of various data preprocessing, sampling and structuring procedures using a feature set made up of 106 variables -describing customers’ transaction activity, demographics, overall contentment and relative information to consumer experience-also shared. Study also includes performance comparison of Deep Neural Networks against other generic machine learning algorithms on two different cases. Deep Neural Networks were the point of interest of this study and it turns out, them to perform better than generic machine learning algorithms.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"26 1","pages":"916-920"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84396526","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: 3
Pulse Transit Time Based Blood Pressure Estimation in LabVIEW Environment using Non-Contact ECG Electrodes and Pulse Sensor 基于脉冲传递时间的LabVIEW环境下非接触式心电电极和脉搏传感器血压估计
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990533
Aytug Guner, Sertac Kilickaya, N. Bayindir
{"title":"Pulse Transit Time Based Blood Pressure Estimation in LabVIEW Environment using Non-Contact ECG Electrodes and Pulse Sensor","authors":"Aytug Guner, Sertac Kilickaya, N. Bayindir","doi":"10.23919/ELECO47770.2019.8990533","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990533","url":null,"abstract":"Sphygmomanometers are conventionally used for measuring blood pressure, namely systolic and diastolic pressures. While measuring the maximum output pressure of the heart, namely systolic, the blood flow is cut with the pressure exerted by the cuff, which may discomfort the patient. To avoid this discomfort, we propose a contactless and cuffless blood pressure measurement system (CBPS) of estimating the blood pressure using non-contact capacitively coupled ECG electrodes and a commercial pulse sensor together with an analog signal acquisition circuitry and a LabVIEW program which calculates the systolic and diastolic pressures from the pulse transit time (PTT). Moreover, non-contact ECG electrodes do not need conductive gel, and the CBPS provides almost instant BP results. These features of the CBPS enable continuous recording of the blood pressure together with the ECG signals in a holter device utilizing contactless electrodes.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"1 1","pages":"445-448"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89065668","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
Feature Selection for Anomaly Detection in Call Center Data 呼叫中心数据异常检测的特征选择
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990454
Leonardo O. Iheme, Ş. Ozan
{"title":"Feature Selection for Anomaly Detection in Call Center Data","authors":"Leonardo O. Iheme, Ş. Ozan","doi":"10.23919/ELECO47770.2019.8990454","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990454","url":null,"abstract":"In this study, we present the process of designing machine learning models for the detection of call center agent malpractices. Based on the features extracted from audio recordings of a given telephone conversation, appropriate one-class support vector machine, isolation forest, and multivariate Gaussian models are trained, evaluated and compared in order to determine the best use case. The labeled data used in the experiments was obtained from a real call center and the results obtained indicate that the system is usable in a real-world scenario. The accuracy of used machine learning models are validated by using the F1 score as a metric.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"1 1","pages":"926-929"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83442281","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: 1
Optimization of Time Modulated Arrays Through Switching Frequency 通过切换频率优化时调制阵列
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990459
I. Kanbaz, U. Yesilyurt, S. Kuzu, E. Aksoy
{"title":"Optimization of Time Modulated Arrays Through Switching Frequency","authors":"I. Kanbaz, U. Yesilyurt, S. Kuzu, E. Aksoy","doi":"10.23919/ELECO47770.2019.8990459","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990459","url":null,"abstract":"The major disadvantage of TMAs is the sideband radiations (SR) which occur at different frequencies in addition to the main frequency caused by periodic switches. These radiations bring about some critical problems which are needed to be handled such as efficiency and powerloss. In order to solve these problems, different optimization techniques have been applied recently. However, the frequency set was not used as an optimization parameter in these studies and the effect of frequency on these quantities is of interest. In this work, the switching frequency is proposed as a new parameter to optimize the radiation characteristic of nonuniform time modulated arrays (NTMA). It is shown via comparative examples that the switching frequency can be used as another parameter to achieve the desired radiation criteria.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"408 1","pages":"664-668"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77746824","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
Forecasting BIST100 Index with Neural Network Ensembles 神经网络集成预测BIST100指数
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990659
Koray Beyaz, M. Efe
{"title":"Forecasting BIST100 Index with Neural Network Ensembles","authors":"Koray Beyaz, M. Efe","doi":"10.23919/ELECO47770.2019.8990659","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990659","url":null,"abstract":"This paper aims to provide a neural network-based approach to forecast the direction of movement of BIST 100 stock price index and investigates the difficulties of such an implementation. It is observed that a neural network implementation is highly sensitive to selection of features and optimization parameters such as learning rate. A methodology to overcome the difficulties of neural network implementations to financial time series is proposed in the paper. Several feature selection methods are employed to obtain a subset of the features that can be used in the training of any classification algorithm. The difficulties and benefits of using an ensemble of neural networks instead of a single neural network are also studied. Results have shown that the use of neural network ensembles yields promising results. Keywords: Neural Networks, Ensemble, Bagging, Forecast.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"42 1","pages":"940-944"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82592537","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
Chaotic System Based on Mutually Connected Digital Oscillators 基于互连通数字振子的混沌系统
2019 11th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2019-11-01 DOI: 10.23919/ELECO47770.2019.8990369
M. Stork
{"title":"Chaotic System Based on Mutually Connected Digital Oscillators","authors":"M. Stork","doi":"10.23919/ELECO47770.2019.8990369","DOIUrl":"https://doi.org/10.23919/ELECO47770.2019.8990369","url":null,"abstract":"In this paper the experiments with two mutually coupled digital oscillators are described. The digital oscillators with quadrature outputs are used for experiment. On the beginning the amplitude stabilization and way of synchronization of digital oscillator are described. Then the behavior of the connected oscillators is described. From simulation results can be seen that oscillators connected together can produce chaotic signals. The digital oscillators were simulated and constructed by means of microcontroller. Results of simulations and measurements are presented.","PeriodicalId":6611,"journal":{"name":"2019 11th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"108 1","pages":"514-517"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79385393","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信