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

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2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/et50336.2020.9238210
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引用次数: 0
Method for LED luminaire flux control when simulating sunlight 模拟日光时LED灯具光通量控制方法
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238248
P. Mashkov, R. Kandilarov, Viktor Petkov Mashkov, H. Beloev, B. Gyoch
{"title":"Method for LED luminaire flux control when simulating sunlight","authors":"P. Mashkov, R. Kandilarov, Viktor Petkov Mashkov, H. Beloev, B. Gyoch","doi":"10.1109/ET50336.2020.9238248","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238248","url":null,"abstract":"The aim of this study is to develop a method for controlling an LED lighting system without feedback, in which the spectral characteristics of the luminous flux mimic the daily changes of summer sunshine. At the same time, the spectral composition of the radiation and the magnitude of the luminous flux can be adjusted depending on the desire of the users, their age peculiarities, and possibilities for therapeutic influence to prevent the development of depressive states, etc.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"28 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":"127298151","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 characterization of foam stability by discrete wavelet transformation 基于离散小波变换的泡沫稳定性超声表征
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238288
Ivan Topalov, N. Shopov, Tzvetelin Dessev
{"title":"Ultrasound characterization of foam stability by discrete wavelet transformation","authors":"Ivan Topalov, N. Shopov, Tzvetelin Dessev","doi":"10.1109/ET50336.2020.9238288","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238288","url":null,"abstract":"The study is focused on a non-contact and non-destructive ultrasound method for characterisation of surfactant foams. The results were analyzed by Discrete Wavelet Transformation (DWT) of Haar implemented with fast conversion. The results by the ultrasound method were compared and validated with image analysis of the resulting foam microstructure. Identical results were obtained after comparison of the two methods.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"10 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":"121490752","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
Photocatalytic reactor for in situ determination of supported catalysts activity in liquid-phase based on 3D-printed components and Arduino 基于3d打印组件和Arduino的液相负载催化剂活性原位测定光催化反应器
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238334
B. Stefanov
{"title":"Photocatalytic reactor for in situ determination of supported catalysts activity in liquid-phase based on 3D-printed components and Arduino","authors":"B. Stefanov","doi":"10.1109/ET50336.2020.9238334","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238334","url":null,"abstract":"This paper presents an inexpensive photocatalytic reactor for rapid screening of supported photocatalyst activity. The photocatalytic activity is measured in liquid-phase, based on the removal rate of Methylene blue dye. Three reaction cells are combined for simultaneous triplicate runs and Methylene blue dye concentration is monitored in situ via laser colorimetry. 3D-printed and off-the-shelf optical and electronic components were used in the device construction. The photocatalytic reactor may find applications in photocatalyst research for water decontamination.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"6 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":"122085472","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
Switch Function Modelling of Bidirectional DC-DC Converter 双向DC-DC变换器开关功能建模
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238183
V. Dimitrov, N. Hinov, Gergana Vacheva
{"title":"Switch Function Modelling of Bidirectional DC-DC Converter","authors":"V. Dimitrov, N. Hinov, Gergana Vacheva","doi":"10.1109/ET50336.2020.9238183","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238183","url":null,"abstract":"This paper proposes a generalized switched function model for a bidirectional DC-DC converters. Typical application for such converters is as a part of an electric vehicle power topology, where different architectures are available when more than one energy source is available. For this reason the model is general enough to incorporate a cascade or a parallel power architecture. The model includes switching and conduction losses of the semiconductor devices and ESR loss of the power inductor. The load of the model is based on the load requirements for a vehicle driving a standard Cycle WLTC.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"17 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":"123183442","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
Results from the Pilot Experiments with PhD Students within the Project „Engineering Education and Science for the Benefit of Business in the Design of Heat Transfer of Electronic Equipment“ “工程教育与科学对电子设备传热设计的商业效益”项目博士生先导实验结果
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238272
N. Kafadarova, S. Stoyanova-Petrova, N. Vakrilov, D. Stoyanova
{"title":"Results from the Pilot Experiments with PhD Students within the Project „Engineering Education and Science for the Benefit of Business in the Design of Heat Transfer of Electronic Equipment“","authors":"N. Kafadarova, S. Stoyanova-Petrova, N. Vakrilov, D. Stoyanova","doi":"10.1109/ET50336.2020.9238272","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238272","url":null,"abstract":"In the paper we present the results from the pilot experiment with PhD students within the scientific project „Engineering Education and Science for the Benefit of Business in the Design of Heat Transfer of Electronic Equipment” at the University of Plovdiv. A company in the field of electronics gave three PhD students a project on the topic: “Thermal design and simulations of heat transfer on a desktop-based computer system”. During the pilot experiment, doctoral students developed a thermal model of a desktop-based computer.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"28 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":"116605480","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
Smart in-vehicle environment monitoring system 智能车载环境监测系统
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238166
R. Miletiev, I. Damyanov, E. Iontchev, R. Yordanov
{"title":"Smart in-vehicle environment monitoring system","authors":"R. Miletiev, I. Damyanov, E. Iontchev, R. Yordanov","doi":"10.1109/ET50336.2020.9238166","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238166","url":null,"abstract":"The paper represents the smart measurement and communication system for the in-vehicle environment monitoring. It measures and sends to the base station different type of environment parameters such as the internal temperature and humidity, the external temperature and humidity, the vehicle dynamics via MEMS inertial sensor and air quality by digital gas sensor. Additionally, the driver seat is continuously weighed on a weighing scale and all measurement data are transmitted to the smart phones or Wireless Sensor Network (WSN). The system activity is controlled by the RTC or inertial sensor alarms preliminary configured by the microcontroller.","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":"134044587","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
Designing Out-of-distribution Data Detection using Anomaly Detectors: Single Model vs. Ensemble 使用异常检测器设计分布外数据检测:单一模型vs.集成
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238227
Dejana Ugrenovic, J. Vankeirsbilck, D. Pissoort, T. Holvoet, J. Boydens
{"title":"Designing Out-of-distribution Data Detection using Anomaly Detectors: Single Model vs. Ensemble","authors":"Dejana Ugrenovic, J. Vankeirsbilck, D. Pissoort, T. Holvoet, J. Boydens","doi":"10.1109/ET50336.2020.9238227","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238227","url":null,"abstract":"Image classification neural networks tend to give high probabilities to images they in fact do not recognize. This paper compares three approaches to detect such out-of-distribution data: One-Class Support Vector Machine, Isolation Forest and Local Outlier Factor. The experiments show that Isolation Forest outperforms the other two approaches. However, when combining the three algorithms using a majority voter, the results show that this ensemble is better at detecting out-of-distribution data than using the Isolation Forest algorithm solely.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"88 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":"134120102","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
Stochastic objects velocity estimation using Modified Time Mutability Method, based on two-dimensional images 基于二维图像的改进时变性随机目标速度估计
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238177
B. Pachedjieva, P. E. Pavlova
{"title":"Stochastic objects velocity estimation using Modified Time Mutability Method, based on two-dimensional images","authors":"B. Pachedjieva, P. E. Pavlova","doi":"10.1109/ET50336.2020.9238177","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238177","url":null,"abstract":"The time mutability method allows estimation of drift velocity of stochastic objects basing on sequences of their images. A procedure for constructing and selecting rotational radial-sections from two-dimensional images through which a velocity field can be constructed is proposed. The constructed sections are applied to determine the velocity field of a cloud field based on a series of its two-dimensional images. Numerical examples, illustrated by graphic material, have been shown.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"163 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":"134194985","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
Using of Integrated Daemon Module for Internal Processing Cells Addressing in Systolic Architecture 集成守护模块在收缩体系结构内部处理单元寻址中的应用
2020 XXIX International Scientific Conference Electronics (ET) Pub Date : 2020-09-16 DOI: 10.1109/ET50336.2020.9238281
B. B. Petrov
{"title":"Using of Integrated Daemon Module for Internal Processing Cells Addressing in Systolic Architecture","authors":"B. B. Petrov","doi":"10.1109/ET50336.2020.9238281","DOIUrl":"https://doi.org/10.1109/ET50336.2020.9238281","url":null,"abstract":"FPGA programmable logic devices make it possible to implement known and synthesize new architectures with many applications. Increasingly, these implementations are based on systolic array that combine very good capabilities and features. The article discusses a method for shortening additional resource for change of a specific parametric value in a given computing element of the systolic architecture by embedding a small single-register module in each cell.","PeriodicalId":178356,"journal":{"name":"2020 XXIX International Scientific Conference Electronics (ET)","volume":"79 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":"133077058","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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