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2018 IEEE XXVII International Scientific Conference Electronics - ET最新文献

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A Flyback Converter Based System for an Active Charge Balancing of Li-Ion Battery Packs 基于反激变换器的锂离子电池组主动电荷平衡系统
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549663
D. Stefanov, T. Todorova, V. Valchev
{"title":"A Flyback Converter Based System for an Active Charge Balancing of Li-Ion Battery Packs","authors":"D. Stefanov, T. Todorova, V. Valchev","doi":"10.1109/ET.2018.8549663","DOIUrl":"https://doi.org/10.1109/ET.2018.8549663","url":null,"abstract":"The paper regards active charge balancing of Li Ion battery cells based on flyback converter topology. The topology is chosen aiming the final product cost and manufacturability. A prototype of single branch of the envisioned system is built. Verification of the operating conditions and investigation of the prototype efficiency is carried out. The influence on the circuit performance in the best case and worse case conditions is further explored by looking at selected waveforms. The obtained results could be used as a basis for future improvement of an active charge balancer.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126071711","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: 8
Development of Interference Wedged Structures and their Applications in Hardware Base of Optical Communications 干涉楔形结构的发展及其在光通信硬件基础中的应用
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549586
M. Deneva, M. Nenchev, E. Stoykova
{"title":"Development of Interference Wedged Structures and their Applications in Hardware Base of Optical Communications","authors":"M. Deneva, M. Nenchev, E. Stoykova","doi":"10.1109/ET.2018.8549586","DOIUrl":"https://doi.org/10.1109/ET.2018.8549586","url":null,"abstract":"Having an essential experience [2]–[5] in the field of Interference Wedged Structure (IWS), we introduce a new advantageous element of this type – Composite Tunable Interference Wedged Structure (CTIWS). The CTIWS is Iist-Iike sequence of superimposed wedged layers each with reflecting surfaces. For conveniently chosen apex angles and thickness of the layers, the CTIWS can assure high spectral selectivity (to ∼0.01nm and less in spectral range of ∼10 nm and more) and smooth tunability by simple sliding of the structure along all wedge arm (∼ few cm). We have developed simple manner for physical description of IWS and especially CTIWS by convenient adaptation of the Fabry-Perot theory. We show that for the most important practical cases the results are similar to the obtained by more complex exact analytical treatment. The useful for the application new experimental results are carried out. On the base of IWS and CTIWS, applying convenient architecture, we have introduced and investigated new Iossless Wavelength Division Multiplexing (WDM) element with independent tuning of each output/input. We considered the realization for the case of fiber optic systems of interest for optical communications.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126102149","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
Analysis of Experimental Data for 14-nm FinFETs 14nm finfet实验数据分析
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549623
G. Angelov, D. Nikolov, M. Spasova, I. Ruskova, Jivko Rusev, R. Rusev
{"title":"Analysis of Experimental Data for 14-nm FinFETs","authors":"G. Angelov, D. Nikolov, M. Spasova, I. Ruskova, Jivko Rusev, R. Rusev","doi":"10.1109/ET.2018.8549623","DOIUrl":"https://doi.org/10.1109/ET.2018.8549623","url":null,"abstract":"In this paper we analyze measurements data of different 14 nm bulk FinFET structures – both n- and p-type. The analysis is based on the smoothness of the experimental characteristics. Smoothness is important for the subsequent parameter extraction procedures. It is estimated by taking first derivatives of the experimental curves and comparing them to their fitted polynomial. Calculations have been performed in Matlab.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131190402","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
Performance Evaluation of Low-cost Carbon Dioxide Sensors 低成本二氧化碳传感器的性能评估
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549621
M. Marinov, N. Djermanova, Borislav Ganev, G. Nikolov, Emilija Janchevska
{"title":"Performance Evaluation of Low-cost Carbon Dioxide Sensors","authors":"M. Marinov, N. Djermanova, Borislav Ganev, G. Nikolov, Emilija Janchevska","doi":"10.1109/ET.2018.8549621","DOIUrl":"https://doi.org/10.1109/ET.2018.8549621","url":null,"abstract":"The present work is dedicated to the performance evaluation of commercial, off-the-shelf non-dispersive infrared (NDIR) carbon dioxide sensors. These sensors are very promising candidate for the new generation air monitoring tools, but some of their basic characteristics are not sufficient for scientific and control applications. In this study the sensors were tested and evaluated for the assessment of their uniformity, repeatability, linearity, accuracy, atmospheric pressure, temperature and humidity sensitivity. Possibilities for the sensor calibration and accuracy improvement are discussed.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132661941","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: 5
Research Firmware Update Over the Air from the Cloud 研究从云端空中更新固件
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549628
Neven Nikolov
{"title":"Research Firmware Update Over the Air from the Cloud","authors":"Neven Nikolov","doi":"10.1109/ET.2018.8549628","DOIUrl":"https://doi.org/10.1109/ET.2018.8549628","url":null,"abstract":"This article describes the study of Firmware update of IoT embedded systems. It is show a way of updating management software of embedded system from cloud. In article are research Firmware Update over The Air for embedded system - esp8266.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133934414","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: 13
Development of modular components for low-cost, SiPM-based scintillator detector assemblies 开发低成本、基于sipm的闪烁体探测器组件的模块化组件
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549588
S. Ivanov, S. Ivanov, V. Kozhuharov
{"title":"Development of modular components for low-cost, SiPM-based scintillator detector assemblies","authors":"S. Ivanov, S. Ivanov, V. Kozhuharov","doi":"10.1109/ET.2018.8549588","DOIUrl":"https://doi.org/10.1109/ET.2018.8549588","url":null,"abstract":"The paper discusses a project for the development of a scintillator and SiPM-based, sensitive, small-size, low-cost and extensible radiation detector system, which uses massmarket components, and is suitable for scenarios, where deployments are constrained by financial budget, size, weight and operational limitations. The particular focus on applications like muon astronomy, space applications on miniature satellite platforms and citizen science is explained, and justification is provided for the choice of technologies and development approach. The steps towards the final realization are discussed in details. Several prototype circuits have been realized and the preliminary results are shown and discussed.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114307349","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
Energy Investigation of Microprocessor Addressing Modes - Towards Full System Energy Exploration 微处理器寻址方式的能量研究——迈向全系统能量探索
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549595
Lubomir Bogdanov, R. Ivanov
{"title":"Energy Investigation of Microprocessor Addressing Modes - Towards Full System Energy Exploration","authors":"Lubomir Bogdanov, R. Ivanov","doi":"10.1109/ET.2018.8549595","DOIUrl":"https://doi.org/10.1109/ET.2018.8549595","url":null,"abstract":"The following paper presents measurement results of energy consumption of microprocessor instructions from operand addressing mode’s point of view. Previous work of the authors showed an Instruction Set Simulator (ISS) energy model that contained Dynamic Frequency Scaling (DFS) and memory domain information but lacked target address simulation. Measurements showed that different addressing modes may lead to different base energy cost of an instruction which might lead to simulation inaccuracy.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"1209 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116080330","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
ET 2018 Copyright Page ET 2018版权专页
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/et.2018.8549657
{"title":"ET 2018 Copyright Page","authors":"","doi":"10.1109/et.2018.8549657","DOIUrl":"https://doi.org/10.1109/et.2018.8549657","url":null,"abstract":"","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132593501","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
Autonomous navigation and speed control for line following robot 线路跟踪机器人的自主导航和速度控制
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549580
D. Nikolov, Georgi Zafirov, I. Stefanov, Kaloyan Nikov, S. Stefanova
{"title":"Autonomous navigation and speed control for line following robot","authors":"D. Nikolov, Georgi Zafirov, I. Stefanov, Kaloyan Nikov, S. Stefanova","doi":"10.1109/ET.2018.8549580","DOIUrl":"https://doi.org/10.1109/ET.2018.8549580","url":null,"abstract":"This paper presents a model of autonomous control of a line following robot with ability know its position, to control speed and lateral position and to overcome different obstacles. The location is based on continuous speed and length measurements filtered through a histogram filter and compared to a predetermined map. The current position is determined by markov process histogram filter and the error in measurements is embedded in calculating the location probability.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128721306","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
Static Characteristics of a Phase-Shift Controlled Series Resonant DC-DC Converter 相移控制串联谐振DC-DC变换器的静态特性
2018 IEEE XXVII International Scientific Conference Electronics - ET Pub Date : 2018-09-01 DOI: 10.1109/ET.2018.8549660
A. Vuchev, T. Grigorova, Y. Madankov
{"title":"Static Characteristics of a Phase-Shift Controlled Series Resonant DC-DC Converter","authors":"A. Vuchev, T. Grigorova, Y. Madankov","doi":"10.1109/ET.2018.8549660","DOIUrl":"https://doi.org/10.1109/ET.2018.8549660","url":null,"abstract":"The paper presents an analysis of a phase-shift controlled series resonant DC-DC converter operating above the resonant frequency. Several different variations of the load circuit are discussed. Control characteristics of the converter are built for different load parameters. Using these characteristics, the static and the dynamic load circuit behavior is discussed considering variation of the control angle.","PeriodicalId":374877,"journal":{"name":"2018 IEEE XXVII International Scientific Conference Electronics - ET","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125464235","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
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