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2017 XXVI International Scientific Conference Electronics (ET)最新文献

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Implementing university learning approaches in secondary school education 在中学教育中实施大学学习方式
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124405
T. Vasileva, S. Stefanova, Radostina Stefanova Gercheva
{"title":"Implementing university learning approaches in secondary school education","authors":"T. Vasileva, S. Stefanova, Radostina Stefanova Gercheva","doi":"10.1109/ET.2017.8124405","DOIUrl":"https://doi.org/10.1109/ET.2017.8124405","url":null,"abstract":"The paper considers introduction of collaborative project based learning at the Technology School \"Electronic Systems\" associated with the Technical University of Sofia. It discusses how the Global Networks course was restructured to apply team work on shared project with using cloud computer technologies. The organisation and outcomes from conducted pilot courses are briefly reviewed. The benefits of introducing new learning approaches and collaborative cloud computing technologies in supporting school students to acquire new competencies and skills are also commented.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121152860","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
In-plane magnetosensitive double Hall device 平面内磁敏双霍尔装置
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124382
S. Lozanova, S. Noykov, A. Ivanov, C. Roumenin
{"title":"In-plane magnetosensitive double Hall device","authors":"S. Lozanova, S. Noykov, A. Ivanov, C. Roumenin","doi":"10.1109/ET.2017.8124382","DOIUrl":"https://doi.org/10.1109/ET.2017.8124382","url":null,"abstract":"A novel in-plane magnetosensitive double Hall sensor, consisting of power supply and two identical three-contact и-Si cross-coupled architectures, realized in common technology process, is presented. High magnetosensitivity as well as increased metrological accuracy is achieved. The residual offset is about 160 times smaller than the internal ones. The obtained output voltage-to-residual offset ratio at magnetosensitivity of 98 V/AT (T = 300 K) is very promising, reaching 7.5×103 at magnetic induction IT.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114162941","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
Analysis of high-speed rotary wireless power transmitters 高速旋转无线电力发射机分析
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124363
N. Madzharov, V. Petkov, P. Kogias, K. Karakoulidis
{"title":"Analysis of high-speed rotary wireless power transmitters","authors":"N. Madzharov, V. Petkov, P. Kogias, K. Karakoulidis","doi":"10.1109/ET.2017.8124363","DOIUrl":"https://doi.org/10.1109/ET.2017.8124363","url":null,"abstract":"This article provides a review and study of the possible types of rotating wireless transmitter (RWT) constructions. The object of the study is the high-speed transmitters with a rotation speed of the order of 10 000 revolutions per minute and more. They are mainly used in number of innovative technologies for machining details of sophisticated shape and hardness. The paper examines the influence of centrifugal forces, speed, acceleration, mass and dimensions on the RWT. In order to clarify the advantages of the types of constructions, computer simulations were made using the software product Ansoft Maxwell, showing the distribution of the magnetic field and its intensity at the individual points of the RWT. This article revises four main types of the RWT constructions, along with the design methodology, mechanical and electromagnetic analysis.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123477852","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
Median technique for noise reductions 降噪的中值技术
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124408
D. G. Vrachkov, D. Todorov
{"title":"Median technique for noise reductions","authors":"D. G. Vrachkov, D. Todorov","doi":"10.1109/ET.2017.8124408","DOIUrl":"https://doi.org/10.1109/ET.2017.8124408","url":null,"abstract":"The problem of reducing the low-frequency drift, \"flicker\" and blasting noise, generated in the measuring tract in the process of forming a digital equivalent for a measured value has been considered. Methods are proposed to further reduce the noise composition in the results obtained. The minimization of noise components of type 1/f, 1/f2 and irregular blast noise in the output digital result is performed by means of digital filtering based on modified \"Tukey53H3\" algorithm. A one-stage algorithm for \"SM9H3\" is proposed with floating current fragmentation in signal processing. As an application, the results of the proposed signal processing methodology are shown and described.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114936896","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
A fast comparator with integrated small dual hysteresis and offset control 集成了小双迟滞和偏移控制的快速比较器
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124336
V. Barzinska
{"title":"A fast comparator with integrated small dual hysteresis and offset control","authors":"V. Barzinska","doi":"10.1109/ET.2017.8124336","DOIUrl":"https://doi.org/10.1109/ET.2017.8124336","url":null,"abstract":"This paper presents the design of a fast comparator, where the dual hysteresis and the digital offset control are integrated in a source degenerated preamplifier stage. The selected architecture of the preamplifier stage, followed by a differential symmetrical OTA allowed easily to be achieved design requirements as 8mV hysteresis, 1σ input random offset of 0.58mV, range of ±35mV additional digital offset control with 5mV step, 30ns propagation delay, while the power dissipation is 90μW and the block area is 0.015mm2 at 0.18μm CMOS technology. The source degenerating resistors in the preamplifier stage can be used to create dual or single, digitally programmed hysteretic comparators.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"175 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132678706","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
COMSOL modeling of Hall sensors efficiency 霍尔传感器效率的COMSOL建模
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124384
I. Ruskova, E. Gieva, V. Yantchev, M. Hristov
{"title":"COMSOL modeling of Hall sensors efficiency","authors":"I. Ruskova, E. Gieva, V. Yantchev, M. Hristov","doi":"10.1109/ET.2017.8124384","DOIUrl":"https://doi.org/10.1109/ET.2017.8124384","url":null,"abstract":"In this paper we present a finite element analysis routine for modeling of semiconductor Hall sensors. Their efficiency is studied varying the base semiconductor material. More specifically, 2D COMSOL semi-conductor model is initially employed to extract the properties of the conductive channel. Subsequently a 3D COMSOL DC model is used to perform the studies regarding the Hall sensor efficiency. Hall sensors of identical topology and doping levels are studied in a comparative manner.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132260018","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: 7
Realization and testing of PC-based power quality signal generator 基于pc机的电能质量信号发生器的实现与测试
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124355
Z. Kokolanski, M. Simić, C. Gavrovski, D. Denic, V. Dimcev, D. Živanović, D. Taskovski
{"title":"Realization and testing of PC-based power quality signal generator","authors":"Z. Kokolanski, M. Simić, C. Gavrovski, D. Denic, V. Dimcev, D. Živanović, D. Taskovski","doi":"10.1109/ET.2017.8124355","DOIUrl":"https://doi.org/10.1109/ET.2017.8124355","url":null,"abstract":"The paper elaborates the design and evaluation aspects of power quality signal generator. The system is capable of reproducing the power quality (PQ) disturbances in accordance with European standard EN50160. The signal generator is divided in two functional parts: LabVIEW virtual instrumentation software, and hardware electronics for signal generation (data acquisition card and signal amplifier). By using the developed signal generator, a number of experimental test signals with various PQ disturbances typical for real power distribution systems are presented. The pQ analyzer Fluke 435 is used as the reference instrument suitable for measurement of PQ parameters from signal generator output. This paper summarizes the software architecture of the PQ generator, and some experimental results obtained with the reference instrument.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114065157","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
Implementation of Internet of Things based solution of universal power transducer 基于物联网的通用功率传感器解决方案的实现
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124410
P. Yakimov, Atanas Nikolov Lovev, N. Tuliev
{"title":"Implementation of Internet of Things based solution of universal power transducer","authors":"P. Yakimov, Atanas Nikolov Lovev, N. Tuliev","doi":"10.1109/ET.2017.8124410","DOIUrl":"https://doi.org/10.1109/ET.2017.8124410","url":null,"abstract":"The paper presents a smart power transducer implementation as IoT based solution. The essentials of IoT concept are outlined. The possibilities for application of cloud computing in the electric power system management are discussed. The block diagram of a smart transducer with extended network capabilities is described. The remote user interface is shown.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"486 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133806001","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
Method and equipment for controlling LED lamp for therapeutic purposes 用于控制治疗用LED灯的方法和设备
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124353
R. Kandilarov, P. Mashkov, B. Gyoch, H. Beloev, T. Pencheva
{"title":"Method and equipment for controlling LED lamp for therapeutic purposes","authors":"R. Kandilarov, P. Mashkov, B. Gyoch, H. Beloev, T. Pencheva","doi":"10.1109/ET.2017.8124353","DOIUrl":"https://doi.org/10.1109/ET.2017.8124353","url":null,"abstract":"In the present study a method for managing therapeutic purposes LED lamp is shown. The main goal is to facilitate the potential user (e.g. medical practitioner) in configuring appropriate parameters such as correlated color temperature (CCT) and luminous flux in a relevant room (as facility for senior citizens). The controlled LED lamp consists of 2 independent channels — the first includes 2 white LED CXA2520 modules and the second 16 blue XPE from Xlamp series all form CREE Copr. The constant current drivers for both channels are Meanwell LCM-60. To provide remote management of the whole unit ATmega328P (Arduino) microcontroller are used. The luminous flux of the lamp can be tuned up to 5000 lm and CCT can be set in the range from 3500 K to over 20000 K.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132431727","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 and design of quasi-resonant ZVS inverter for induction heating in a magnetic circuit 磁路感应加热准谐振ZVS逆变器的分析与设计
2017 XXVI International Scientific Conference Electronics (ET) Pub Date : 2017-09-01 DOI: 10.1109/ET.2017.8124339
D. Dankov, P. Prodanov
{"title":"Analysis and design of quasi-resonant ZVS inverter for induction heating in a magnetic circuit","authors":"D. Dankov, P. Prodanov","doi":"10.1109/ET.2017.8124339","DOIUrl":"https://doi.org/10.1109/ET.2017.8124339","url":null,"abstract":"This paper presents a ZVS quasi-resonant inverter for induction heating in a magnetic circuit. A mathematical modeling of induction coil — heated metal piece system has been done to establish the equivalent electrical parameters of the load. Analysis and design of a quasi-resonant inverter have been presented along with experimental examinations at different loads.","PeriodicalId":127983,"journal":{"name":"2017 XXVI International Scientific Conference Electronics (ET)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116078005","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
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