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

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Embedded system for fruit image processing 嵌入式水果图像处理系统
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238244
S. Sotirov, S. Zhelyazkov, M. Marudova, G. Zsivanovits, Dimitar M. Tokamkov
{"title":"Embedded system for fruit image processing","authors":"S. Sotirov, S. Zhelyazkov, M. Marudova, G. Zsivanovits, Dimitar M. Tokamkov","doi":"10.1109/ET50336.2020.9238244","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238244","url":null,"abstract":"In the present study, a computer visual system based on image processing was developed. Its application in the analysis of the quality of cherries stored for 3 weeks was shown. The developed color filtering of the images and the presentation of the object color as a RGB histogram allow detection of spoiled zones and monitoring of color changes.","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":"124540038","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
Develop Test and Implementation of Low Cost DC Power Data Logger 低成本直流电源数据记录仪的开发、测试与实现
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238184
Nikolay Karnobatev
{"title":"Develop Test and Implementation of Low Cost DC Power Data Logger","authors":"Nikolay Karnobatev","doi":"10.1109/ET50336.2020.9238184","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238184","url":null,"abstract":"A low cost DC power data logger was designed. It could log data about generated solar energy from two solar systems. The power was measured indirectly. Calculation of power and energy was made every 255 ms. They were averaged and logged with interval one minute. The data logger was made in order to analyze the operation of different solar systems types: fixed mount vs. single axis, single axis vs. double axis, solar system with PWM vs. system with MPPT controller.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"40 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":"114312537","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
Universal Optoelectronic Measuring Modules in Advanced Distributed Measuring Systems 先进分布式测量系统中的通用光电测量模块
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238198
S. Yaryshev, I. Konyakhin, A. Timofeev, V. Korotaev, T. Djamiykov
{"title":"Universal Optoelectronic Measuring Modules in Advanced Distributed Measuring Systems","authors":"S. Yaryshev, I. Konyakhin, A. Timofeev, V. Korotaev, T. Djamiykov","doi":"10.1109/ET50336.2020.9238198","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238198","url":null,"abstract":"Large or long objects require measuring systems as a combination of more than one measuring instrument. In this case, the combination of instruments is a network system consists of several measuring modules and one central module. Measuring modules make the preliminary computation of measuring information and translate it to the central module for the final computation of measuring parameters. The central module also makes statistics of measuring and archive of information. Some tasks require the noncontact methods of measuring angular and linear coordinates of objects or places. The Central module can perform two-stage processing of measurement information. In the first stage, the Central measuring module performs a preliminary configuration of the distributed measuring system based on the information received from GPS sensors. The second stage is to use the measuring information received from the peripheral modules based on optical-electronic measurement methods. Using two-stage processing can significantly improve the efficiency of a distributed measurement system. The optoelectronic measuring devices (OEMD) are ideal for these purposes. These devices also have other advantages like great precision, calibration, and adaptation. In this article variants of the distributed measuring systems are described. The basic attention is given to the description of the unified optoelectronic modules for the measurement of angular and linear coordinates.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"18 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":"116989784","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
Prerequisites for a Self-sustaining Embedded System with Artificial Intelligence 具有人工智能的自我维持嵌入式系统的先决条件
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238328
D. Chikurtev, S. Bogdanov, N. Spasova, Vladimir Ivaniv
{"title":"Prerequisites for a Self-sustaining Embedded System with Artificial Intelligence","authors":"D. Chikurtev, S. Bogdanov, N. Spasova, Vladimir Ivaniv","doi":"10.1109/ET50336.2020.9238328","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238328","url":null,"abstract":"The article defines criteria, conditions and requirements for the development and existence of an embedded system. A concept of an algorithm for intelligent behavior of an embedded system, which will be able to recompile software modules and components by itself and by the software core, is presented. The aim is to achieve sustainability, expand the functions of embedded systems and adapting the system to work in different environments.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"266 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":"116396878","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
Addressable LED/ Buzzer structures for signaling/ reflection for urban E-Bikes 城市电动自行车信号/反射的可寻址LED/蜂鸣器结构
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238217
Devina Manoeva, Vasil Pichurov
{"title":"Addressable LED/ Buzzer structures for signaling/ reflection for urban E-Bikes","authors":"Devina Manoeva, Vasil Pichurov","doi":"10.1109/ET50336.2020.9238217","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238217","url":null,"abstract":"This paper presents results from a study about an addressable LED wearable indicator system concept increasing visibility and safe interaction between E-bike users and other participants in urban traffic. To this end, we explore existing solutions for small and energy-efficient signaling devices. Exemplar we select one product as basic model, analyze its characteristics and in search of a more suitable functionality for the scientific project for autonomous cargo E-bikes “AuRa”, we offer new technical and design requirements. The conducted experimental part is based on investigating safety and ergonomics to QC-test some critical timings of selected LEDs. We want to integrate findings from this and upcoming studies to formulate construction indications for a future control hardware and software design as a proposal for the project “AuRa”.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"55 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":"117132645","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
IoT Using Raspberry PI and Apache Cassandra on PV Solar System 物联网使用树莓派和Apache Cassandra光伏太阳能系统
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238182
A. Perçuku, D. Minkovska, L. Stoyanova, Arta Abdullahu
{"title":"IoT Using Raspberry PI and Apache Cassandra on PV Solar System","authors":"A. Perçuku, D. Minkovska, L. Stoyanova, Arta Abdullahu","doi":"10.1109/ET50336.2020.9238182","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238182","url":null,"abstract":"Internet of Things (IoT) and Big Data are one of important and promising technologies that have attracted more attention today in industry. In this work is created a custom electronic circuit which can be used to get sensor's data, using Raspberry Pi IoT device on PV solar panel. Python programming language is used to write and run program in Raspberry Pi, and establish a connection to database for storing data. The main aim of this paper is to model an Apache Cassandra database for processing and storing massive amounts of data that come from sensors. As a case study is used a PV polycrystalline solar module of 250 W.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"18 2 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":"127669231","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
A recommender system for WordPress themes using item-based collaborative filtering technique 使用基于项目的协同过滤技术的WordPress主题推荐系统
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238305
Berat Ujkani, D. Minkovska, L. Stoyanova
{"title":"A recommender system for WordPress themes using item-based collaborative filtering technique","authors":"Berat Ujkani, D. Minkovska, L. Stoyanova","doi":"10.1109/ET50336.2020.9238305","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238305","url":null,"abstract":"Recommender systems allow making personalized recommendations for items or products while browsing online, using numerous algorithms and techniques to predict and recommend potentially useful items to a specific user. This paper presents a system built for the purpose of filtering out WordPress themes trough the ratings or reviews of other similar users using item-based collaborative filtering technique and provide user-specific recommendations for the largest online marketplace of web templates called Themeforest, part of Envato marketplaces.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"12 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":"131860852","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
Pore formation in highly ordered anodic alumina templates controlled by the rate of electrolyte stirring at the oxide surface 在高度有序的阳极氧化铝模板中孔隙的形成由电解质在氧化物表面的搅拌速率控制
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238327
V. Videkov, I. Vrublevsky, B. Tzaneva, K. Chernyakova
{"title":"Pore formation in highly ordered anodic alumina templates controlled by the rate of electrolyte stirring at the oxide surface","authors":"V. Videkov, I. Vrublevsky, B. Tzaneva, K. Chernyakova","doi":"10.1109/ET50336.2020.9238327","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238327","url":null,"abstract":"This paper presents the studies on the cooling of the aluminum surface during its anodization by controlling the rate of electrolyte stirring and its effect on the morphology of the nanoporous anodic films. The obtained data demonstrates the possibility to control the pore diameter during the anodizing process without changing the anodizing voltage and interpore distance. This allows a higher utilization factor of the anode oxide when it is used as a matrix to obtain metal nanowires.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"103 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":"123274290","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
Error splitting method for training a built-in neural network storage element with SR-latch functionality 训练具有SR-latch功能的内置神经网络存储单元的错误分割方法
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238330
N. Tsaikin
{"title":"Error splitting method for training a built-in neural network storage element with SR-latch functionality","authors":"N. Tsaikin","doi":"10.1109/ET50336.2020.9238330","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238330","url":null,"abstract":"A method for dividing the error when passing through a storage element with SR-latch functionality for embedding in neural networks with one output and two inputs is presented. In the backpropagation method, the error is divided from one output to the two inputs with opposite coefficients. In this way, the element trains the previous neural layers to detect input vectors, which indicate the beginning and the end of statuses to be remembered. The forward and reverse interfaces of the element are defined, respectively for calculating the information signal and the error.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"53 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":"124250183","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
Current and Voltage Mode Control of DC-DC Converter in PSIM Environment PSIM环境下DC-DC变换器的电流和电压模式控制
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238335
Gergana Vacheva, N. Hinov
{"title":"Current and Voltage Mode Control of DC-DC Converter in PSIM Environment","authors":"Gergana Vacheva, N. Hinov","doi":"10.1109/ET50336.2020.9238335","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238335","url":null,"abstract":"In the current paper a current mode control of a buck DC-DC converter is presented. The simulation model are realized in PSIM environment. The main purposes for this research is to present the program and her possibilities for simpler understanding and studying of basic principles of control design for the students and young researchers in Power electronics.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"250 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":"128698630","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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