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2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)最新文献

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Improving an antenna radiation pattern using photonic band gap structure 利用光子带隙结构改善天线辐射方向图
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483462
I. Nachev, I. Iliev
{"title":"Improving an antenna radiation pattern using photonic band gap structure","authors":"I. Nachev, I. Iliev","doi":"10.1109/ICEST52640.2021.9483462","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483462","url":null,"abstract":"Photonic band gap (PBG) structures are innovation technology for improving radiation characteristic of different antenna types. In this work the improving an antennas radiation characteristics using a PBG structure is discussed. The studied structure leads to narrowing the antenna radiation pattern beamwidth and increasing the antenna gain. The results are verified using simulations and experimental measurements.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121730553","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: 2
Study of Hydrogen Production by Electrolysis of Spring Waters From Bulgaria 保加利亚泉水电解制氢研究
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483570
Plamen V. Parushev
{"title":"Study of Hydrogen Production by Electrolysis of Spring Waters From Bulgaria","authors":"Plamen V. Parushev","doi":"10.1109/ICEST52640.2021.9483570","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483570","url":null,"abstract":"Bulgaria ranks second in natural water reserves in Europe. Much of the spring water flows back into nature without further utilization. This report examines the possibility for production of hydrogen by electrolysis of natural spring water in Bulgaria. Laboratory electrolyzer Helex/NI was used. Experimental results were obtained determining the theoretical possibilities for hydrogen extraction. A block diagram of an installation using renewable electricity is proposed.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"05 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123866241","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
Designing a NFC system 设计一个NFC系统
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483482
Stanyo V. Kolev
{"title":"Designing a NFC system","authors":"Stanyo V. Kolev","doi":"10.1109/ICEST52640.2021.9483482","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483482","url":null,"abstract":"The article proposes an NFC system with NXP PN 532 chip, designed and implemented an antenna for 13.56 MHz. NFC technology is entering the Bulgarian market and is developing at a very fast pace. A large percentage of smartphones currently have NFC connection modules. In a period of several years with the introduction of NFC modules our life will be much easier, will be able to reduce the cost of access control of business and office buildings. The designed system is intended to be used for control of a patrol team.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127000010","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: 2
Electomagnetic Analysis of Synchronous Generator 同步发电机的电磁分析
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483490
Pande Popovski, Goran Veljanovski, Blagoja Arapinovski, M. Atanasovski
{"title":"Electomagnetic Analysis of Synchronous Generator","authors":"Pande Popovski, Goran Veljanovski, Blagoja Arapinovski, M. Atanasovski","doi":"10.1109/ICEST52640.2021.9483490","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483490","url":null,"abstract":"It is very well known that three-phase electrical machines are an irreplaceable component in the industry, as well as many other areas in everyday life. Among these machines, synchronous generators are essential when it comes to power production. Having this in mind, it is to be expected that analyzing these machines are of key importance, whether it comes to designing, operating or maintenance of synchronous generators. This paper aims to cover the electromagnetic analysis of this particular type of machine: more specifically a three-phase synchronous generator. The analysis was performed using the finite element method. A relatively wide range of data was obtained from the analysis, and the results from it are presented and interpreted in this paper.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130354578","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
Multimodal Motor Imagery BCI Based on EEG and NIRS 基于脑电图和近红外光谱的多模态运动图像脑机接口
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483551
Ivaylo Ivaylov, Milena Lazarova, A. Manolova
{"title":"Multimodal Motor Imagery BCI Based on EEG and NIRS","authors":"Ivaylo Ivaylov, Milena Lazarova, A. Manolova","doi":"10.1109/ICEST52640.2021.9483551","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483551","url":null,"abstract":"Brain-computer interface comprises technologies for brain activity identification used in many application fields such as motor imagery, disease or mental state detection. Multimodal approach that utilizes hybrid data can be improve motor imagery classification. The paper explores utilization of several classification techniques for multimodal electroencephalography (EEG) and near-infrared spectroscopy (NIRS) data classification in motor imagery BCI. Five classifiers used in the evaluation are Logistic Regression, K-Nearest Neighbours, Support Vector Machines, Linear Regression, SVC Radial Basis Regression and their performance is compared on EEG and EEG+NIRS datasets for motor imagery tasks classification.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114539370","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
Methods to Increase Distance in Wireless Power Transfer Systems 无线电力传输系统中增加距离的方法
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483566
D. Iliev, N. Madzharov, Raycho Ilarionov
{"title":"Methods to Increase Distance in Wireless Power Transfer Systems","authors":"D. Iliev, N. Madzharov, Raycho Ilarionov","doi":"10.1109/ICEST52640.2021.9483566","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483566","url":null,"abstract":"This paper presents a model for increasing the distance in Wireless Power Transfer systems. By introducing an additional passive LC resonant circuit it is possible to increase it approximately 2.8 times while maintaining the efficiency of the system $boldsymbol{etaapprox 70{mathrm{%}}}$ ‘.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123311989","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
Application of Artificial Neural Networks for Modeling of the Frequency-Dependent Performance of Surface Acoustic Wave Resonators 人工神经网络在表面声波谐振器频率特性建模中的应用
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483548
Z. Marinković, G. Gugliandolo, G. Campobello, G. Crupi, N. Donato
{"title":"Application of Artificial Neural Networks for Modeling of the Frequency-Dependent Performance of Surface Acoustic Wave Resonators","authors":"Z. Marinković, G. Gugliandolo, G. Campobello, G. Crupi, N. Donato","doi":"10.1109/ICEST52640.2021.9483548","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483548","url":null,"abstract":"This paper deals with the application of the artificial neural networks (ANNs) for modeling the performance of four commercial two-port surface acoustic wave (SAW) resonators. ANNs are used to reproduce the frequency-dependent behaviour of the short-circuit input admittance, thereby enabling a fast and accurate estimation of the resonant parameters.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123374995","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: 6
Application of the Situational Teaching Method in the Electrical Safety Education 情境教学法在电气安全教育中的应用
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483514
M. Yordanova
{"title":"Application of the Situational Teaching Method in the Electrical Safety Education","authors":"M. Yordanova","doi":"10.1109/ICEST52640.2021.9483514","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483514","url":null,"abstract":"The purpose of the paper is to share the experience in the education of students, using the situational method for the acquisition of knowledge and skills in the field of the electrical safety. Two examples of the application of the situational method on the safety rules of a permit-to-work are presented.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122033295","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
Electrophoretic Deposition of Rochelle Salt on Cu2O Plate 罗谢尔盐在Cu2O板上的电泳沉积
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/ICEST52640.2021.9483526
R. Rusev, G. Angelov, B. Tzaneva, Mariya Aleksandrova
{"title":"Electrophoretic Deposition of Rochelle Salt on Cu2O Plate","authors":"R. Rusev, G. Angelov, B. Tzaneva, Mariya Aleksandrova","doi":"10.1109/ICEST52640.2021.9483526","DOIUrl":"https://doi.org/10.1109/ICEST52640.2021.9483526","url":null,"abstract":"A new method for electrophoretic deposition of piezolayers is developed. Rochelle Salt is deposited over a plate of Cu2O at a voltage of 7 V for 5 minutes. The investigation using scanning electron microscopy showed that a nanosized sublayer of microscopic crystals was grown. The generated voltage is with 622 mV amplitude. The obtained piezo module d33 is 223.1 pC/N which is comparable to the state-of-the-art deposition methods.","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"2009 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128061529","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: 2
Radio Communications, Microwaves, Antennas II 无线电通信，微波，天线2
2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST) Pub Date : 2021-06-16 DOI: 10.1109/icest52640.2021.9483539
{"title":"Radio Communications, Microwaves, Antennas II","authors":"","doi":"10.1109/icest52640.2021.9483539","DOIUrl":"https://doi.org/10.1109/icest52640.2021.9483539","url":null,"abstract":"","PeriodicalId":308948,"journal":{"name":"2021 56th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131143474","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
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