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2020 XXIX International Scientific Conference Electronics (ET)最新文献

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Design and Implementation of Difference and Instrumentation Amplifier's Laboratory System for Education in Analog Electronics 模拟电子学差分与仪表放大器教学实验系统的设计与实现
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238235
I. Pandiev
{"title":"Design and Implementation of Difference and Instrumentation Amplifier's Laboratory System for Education in Analog Electronics","authors":"I. Pandiev","doi":"10.1109/ET50336.2020.9238235","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238235","url":null,"abstract":"Difference and instrumentation amplifiers laboratory system has been designed and implemented for analog electronic education. The laboratory system contains two amplifier circuits and some auxiliary functional blocks that are constructed using discrete passive components. Objects of study with the system are the dc and ac behavior of the difference and instrumentation amplifiers, employing general purpose monolithic operational amplifiers (op-amps) as active building blocks. In particular, for development of the system on separate printed circuit board single-op-amp difference amplifier and basic three-op-amp instrumentation amplifier circuits with variable gain are implemented. Also, an unbalanced passive H bridge with the possibility of changing the differential output voltage is implemented, which allows the students to investigate the operation of the amplifiers at input signal with differential and common-mode components. To apply an external offset voltage $mathrm{V}_{mathrm{REF}}$, a reference voltage source in the circuit boards is included, which is connecting to the reference terminal (REF) of the amplifiers. The implemented laboratory system is intended for analog electronic education with second-year students on the Bachelor degree programs of “Electronics” and “Automotive electronics” at the Technical University of Sofia.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131855536","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
Industry 4.0 and the Challenges Faced by STEM Education 工业4.0和STEM教育面临的挑战
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238223
P. Yakimov, K. Asparuhova, T. Grigorova, D. Shehova
{"title":"Industry 4.0 and the Challenges Faced by STEM Education","authors":"P. Yakimov, K. Asparuhova, T. Grigorova, D. Shehova","doi":"10.1109/ET50336.2020.9238223","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238223","url":null,"abstract":"The paper surveys the main factors supporting the implementation of the paradigm Industry 4.0. Their basic characteristics which represent challenges in front of the STEM education are considered. Some tasks faced by the industrial automation engineers are taken into account. A possible correspondence between the required skills and the taught subjects is presented.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"409 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130941799","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
Methodology for numerical assessments of the quality of cloud fields images used in time mutability method
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238283
P. Pavlova, B. Pachedjieva
{"title":"Methodology for numerical assessments of the quality of cloud fields images used in time mutability method","authors":"P. Pavlova, B. Pachedjieva","doi":"10.1109/ET50336.2020.9238283","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238283","url":null,"abstract":"The methodology described below supports the time mutability method for estimating cloud drift velocity. A technique for determination numerical values of the contrast and impulse noise level in images of cloud fields is presented. The contrast for the entire image and the level of the impulse noise for the entire image and in addition -in angular directions have been calculated in accordance with the method for drift velocity estimation. The evaluations have been realized by special developed software modules.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124877429","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 case study of emission microscopy for ESD protection devices 静电放电保护装置的发射显微镜案例研究
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238336
D. Nikolov
{"title":"A case study of emission microscopy for ESD protection devices","authors":"D. Nikolov","doi":"10.1109/ET50336.2020.9238336","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238336","url":null,"abstract":"The paper presents an investigation of a typical ESD protection device with a photon emission microscope. The photon emissions from a normal and failed p-n junction with tunnelling breakdown are compared. The failure is caused by the ESD event. The comparison provides root cause analysis of the ESD failure, recognition of the physical mechanism to enable further analysis of ESD failures in integrated circuits.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127977993","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
Multi-agent systems (MAS) in the area of IoT and using a model with Distributed Shared Memory system (DSM) 物联网领域的多智能体系统(MAS)及其与分布式共享内存系统(DSM)模型的使用
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238153
V. Stefanova-Stoyanova, I. Stankov
{"title":"Multi-agent systems (MAS) in the area of IoT and using a model with Distributed Shared Memory system (DSM)","authors":"V. Stefanova-Stoyanova, I. Stankov","doi":"10.1109/ET50336.2020.9238153","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238153","url":null,"abstract":"Multi-Agent Systems (MAS) are a separate scientific field. The agent-oriented approach is widely applied in systems for distributed solutions of complex tasks in the simulation modeling of production processes, the organization of work of robotic systems, and in other industrial areas and the management of swarms. With the rapid development of IoT, the need for application solutions such as the use of Multi-Agent Systems (MAS) and the DSM model - Distributed Shared Memory (DSM) is causing widespread interest in its use in the field of IoT.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128002179","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
Non-Parametrical Approach for Operational Reliability Assessing Related to Medical Electronic Items 医疗电子产品运行可靠性评估的非参数方法
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238264
J. Garipova, Toncho Papanchev, A. Georgiev
{"title":"Non-Parametrical Approach for Operational Reliability Assessing Related to Medical Electronic Items","authors":"J. Garipova, Toncho Papanchev, A. Georgiev","doi":"10.1109/ET50336.2020.9238264","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238264","url":null,"abstract":"This paper is focused on the non-parametric reliability analysis of medical items by means of applying graphical methods to determination and assessment the survival function distribution of measuring items in medicine containing electronic elements. The analysis is based on Kaplan-Meier product limit estimation and fitting the survival function distribution using the linear transformation procedure. As a result, both the probability distribution and the survival probability estimation values regarding operational reliability indices valid for medical items under test are experimentally obtained.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126217105","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
Arduino based Open Source Electronic Control Unit for Electric Utility Vehicles 基于Arduino的电动多用途车辆开源电子控制单元
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238205
Alexandre Francisco, N. Lopes, L. Bento, C. Ferreira
{"title":"Arduino based Open Source Electronic Control Unit for Electric Utility Vehicles","authors":"Alexandre Francisco, N. Lopes, L. Bento, C. Ferreira","doi":"10.1109/ET50336.2020.9238205","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238205","url":null,"abstract":"This paper presents the design and development of a low-cost Electronic Control Unit (ECU), aimed for the application and control of Electric Utility Vehicles (EUV). The selection of components and features, as well the design and project of all the necessary hardware, was also carried out. The major features that overcome other available solutions are: multiple Controller Area Network (CAN) buses, electrical isolation of inputs, outputs, two CAN buses and serial interface, outputs with current feedback and its reduced overall cost. Validation tests were conducted in order to verify all functionalities. Moreover, an electric vehicle simulator was developed to assess the performance of the ECU in a real world working environment. The fully functional prototype of the ECU proved to be robust and experimental results fulfill the proposed objectives.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115051667","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: 4
Python programming training with the robot Finch 机器人芬奇的Python编程训练
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238231
D. Vasilev
{"title":"Python programming training with the robot Finch","authors":"D. Vasilev","doi":"10.1109/ET50336.2020.9238231","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238231","url":null,"abstract":"The article explores the possibility of the usage of the Finch robot in a Python programming training. The hardware and software of the mobile robotic platform Finch are considered and the possibilities for its application in programming training are studied. An example of how to control the Finch robot in the Python programming language is given.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132445529","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
Ultrasound method for classification of Bulgarian white brined sheep and cow cheese 保加利亚白卤羊和牛奶酪的超声分类方法
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238274
N. Shopov, A. Bosakova-Ardenska, Ivan Topalov, P. Panayotov, P. Boyanova
{"title":"Ultrasound method for classification of Bulgarian white brined sheep and cow cheese","authors":"N. Shopov, A. Bosakova-Ardenska, Ivan Topalov, P. Panayotov, P. Boyanova","doi":"10.1109/ET50336.2020.9238274","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238274","url":null,"abstract":"The current paper proposes a non-contact and nondestructive approach for characterization of Bulgarian white brined cheese produced of sheep and cow milk. The approach is based on usage of ultrasonic emitter and receiver which detect the reflected signals from the irradiated object. The result signals are processed by spectral analysis method through Discrete Wavelet Transform (DWT) of Haar implemented with fast conversion.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121613619","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
Transaction Level Energy Modeling of Polyhedral Process Networks 多面体过程网络的事务级能量建模
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238275
Lubomir Bogdanov
{"title":"Transaction Level Energy Modeling of Polyhedral Process Networks","authors":"Lubomir Bogdanov","doi":"10.1109/ET50336.2020.9238275","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238275","url":null,"abstract":"The following paper shows research in the field of energy modeling of polyhedral process networks that describe streaming embedded systems. Such networks are easy to simulate with SystemC and the timing information can also be used to simulate consumed energy. An emphasis on the exchange of communication data tokens between processing elements is made here and hence the title contains the widely known term transaction level modeling (TLM). For a high-level system synthesis an open-source framework is used, called Daedalus.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122574275","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
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