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2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)最新文献

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Multiport DC-DC Converter with Additional Inductance for Spacecraft Power Systems 用于航天器动力系统的附加电感多端口DC-DC变换器
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153511
D. Kurochkin, D. Shtein, A. V. Geist, Maxim F. Shandrin, D. Korobkov
{"title":"Multiport DC-DC Converter with Additional Inductance for Spacecraft Power Systems","authors":"D. Kurochkin, D. Shtein, A. V. Geist, Maxim F. Shandrin, D. Korobkov","doi":"10.1109/EDM49804.2020.9153511","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153511","url":null,"abstract":"In the present work, a new converter circuit for the spacecraft power supply system is proposed. The purpose of this work is to show the features of calculating the circuit and building the system in this way. To check, the converter was calculated and the values of the elements were obtained, as well as the current and voltage loading of the elements.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123566268","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
Self-catalyzed GaAs Nanowire Growth at Alternate Arsenic Flux 交替砷通量下自催化砷化镓纳米线生长
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153341
Pavel V. Shipulin, A. Nastovjak, N. Shwartz
{"title":"Self-catalyzed GaAs Nanowire Growth at Alternate Arsenic Flux","authors":"Pavel V. Shipulin, A. Nastovjak, N. Shwartz","doi":"10.1109/EDM49804.2020.9153341","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153341","url":null,"abstract":"Monte Carlo simulation of GaAs nanowires MBE pulse growth was carried out. The arsenic flux pulse durations and the pauses between pulses were analyzed for optimizing growth conditions. To increase the axial wire growth rate at the initial stage the regime of additional arsenic flux modulation was considered. Growth in a high arsenic flux was proposed to start and stepwise reduce it during the growth process. This approach made it possible to increase the lifetime of a seed droplet at the nanowire top at a high crystal growth rate at the initial stage of growth.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121785225","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
Modal Analysis of a Microstrip Line with Polygons in the Air 空气中带多边形微带线的模态分析
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153516
Indira Y. Sagiyeval, T. Gazizov
{"title":"Modal Analysis of a Microstrip Line with Polygons in the Air","authors":"Indira Y. Sagiyeval, T. Gazizov","doi":"10.1109/EDM49804.2020.9153516","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153516","url":null,"abstract":"A modal analysis of a microstrip line with polygons in the air is performed. The results of the analysis which takes into account modes and the one without them are compared. It is shown that the difference can be important for ultrashort pulses.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129049417","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
Two-Frequency Speckle Analysis of Plasma Clotting Time 血浆凝血时间的双频散斑分析
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153538
Iuliia D. Liushnevskaya, F. Gubarev
{"title":"Two-Frequency Speckle Analysis of Plasma Clotting Time","authors":"Iuliia D. Liushnevskaya, F. Gubarev","doi":"10.1109/EDM49804.2020.9153538","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153538","url":null,"abstract":"The paper presents the results of evaluating the prothrombin time of blood plasma by the method of digital speckle patterns correlation, formed by semiconductor laser diodes with wavelengths of 635 and 650 nm. The experimental results obtained show, that the wavelengths used in the analysis allow getting a reliable result. The change in the correlation coefficient at both wavelengths is almost the same. The use of two sources with alternate switching will increase the reliability of the system and minimize random error. The paper provides curves of the correlation coefficient versus time and a comparative graph of 15 experiments conducted using the proposed laboratory setup.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127634638","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 Method for Stabilizing the Rotor Speed of a Vortex-type Wind Power Plant using Two Variable Elements of its Geometry 涡型风电场两几何变量稳定转子转速的方法
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153548
V. A. Kostyukov, M. Medvedev, Dmitrii D. Pavlenko, A. M. Mayevsky, N. Poluyanovich
{"title":"A Method for Stabilizing the Rotor Speed of a Vortex-type Wind Power Plant using Two Variable Elements of its Geometry","authors":"V. A. Kostyukov, M. Medvedev, Dmitrii D. Pavlenko, A. M. Mayevsky, N. Poluyanovich","doi":"10.1109/EDM49804.2020.9153548","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153548","url":null,"abstract":"Variants of the rotation frequency stabilization of a promising vertically axial wind-driven power plant consisting of a doubly connected stator and a rotor with blades are considered. The paper proposes the use an aerodynamic method of the rotor angular speed stabilization by controlling the positions of two variable design elements of the plant with respect to its stator. As such elements, a lower guide structure (one of the stator elements) and an aerodynamic brake flap can be used. The method of controller synthesis by the angular speed of the rotor rotation is considered in detail. A feature of this controller is the presence of two control channels with one state variable. First, it is necessary to determine the dynamic ranges of torque control on the rotor shaft for each of the variable geometry elements. Based on the second-order control error equation, the desired control law of the angular rotor speed is obtained.Using the example of the problem solving of angular speed stabilization with given quality criteria, we simulated a synthesized control system for various initial data. It is shown that the designed controller is capable of effectively countering the influence of wind disturbances in a wide range of deviations of the current speed from the frequency desired for a given target value. This work was supported by the RFBR grant No. 18-08-00473 a, dated 25/12/2018 on the topic: “Development and research of optimizing and controlling methods of energy conversion processes in the complex type power plants, including those converting a continuous flow of a medium”.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117210002","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 Acoustic Parameters of the Speech Apparatus 语音设备声学参数分析
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153533
Yana A. Berg, Anastasia Nenko, Daria Borovikova
{"title":"Analysis of Acoustic Parameters of the Speech Apparatus","authors":"Yana A. Berg, Anastasia Nenko, Daria Borovikova","doi":"10.1109/EDM49804.2020.9153533","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153533","url":null,"abstract":"an acoustic analysis of various parameters of the voice-speech signal is proposed to produce and to identify objective characteristics for the timely diagnosis of voice disorders at their early stage of development. In the course of the work, the following parameters are explored: amplitude modulation of the voice signal (Shimmer), frequency modulation (Jitter) and the harmonic-noise ratio (HNR). A comparative assessment of voices without phonation disturbance and with signs of dysphonia was conducted. For this, a series of measurements of the acoustic parameters under consideration was made and the average value, standard deviation, and error for each parameter were calculated. For the data obtained, the most sensitive parameter to voice and speech disorders was determined. In addition, the influence of various types of microphone on the received recordings of the voice signal and the values of the calculated parameters was studied.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126220562","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-Area Range Measurement Method Using Active-Pulse Television Measuring Systems 基于有源脉冲电视测量系统的多区域距离测量方法
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153500
E. Chaldina, A. Movchan, V. Kapustin, M. Kuryachiy
{"title":"Multi-Area Range Measurement Method Using Active-Pulse Television Measuring Systems","authors":"E. Chaldina, A. Movchan, V. Kapustin, M. Kuryachiy","doi":"10.1109/EDM49804.2020.9153500","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153500","url":null,"abstract":"The paper discusses methods for measuring the distance to objects using active-pulse television measuring systems. The methods considered in this paper are based on the processing of obtained video frames using active-pulse television systems. However, these methods are different in the number of video frames used and in the approaches of their processing. In addition to methods for processing video frames, some of their implementations include new signal generation algorithms for acquiring images in active-pulse television measuring systems. Also the results of modeling the multi-area measurement method and an experimental assessment of its accuracy are presented.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124006012","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
Modeling the Electromechanical Properties of the MEMS Element of a Thermoelectric Infrared Sensor Based on the Dynamic Seebeck Effect 基于动态塞贝克效应的热电红外传感器MEMS元件机电特性建模
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153484
G. Demin, R. Z. Khafizov, Evgeny A. Fetisov, N. Djuzhev
{"title":"Modeling the Electromechanical Properties of the MEMS Element of a Thermoelectric Infrared Sensor Based on the Dynamic Seebeck Effect","authors":"G. Demin, R. Z. Khafizov, Evgeny A. Fetisov, N. Djuzhev","doi":"10.1109/EDM49804.2020.9153484","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153484","url":null,"abstract":"In this work, we studied the electromechanical properties of the MEMS (micro-electro-mechanical system) element of an infrared (IR) sensor with nanoscale switchable thermocouples for two promising types of its design, depending on the geometry of the electrodes on a square dielectric membrane, controlling its electrostatic displacement - when they are placed on opposite sides of the membrane (design 1) and along its perimeter (design 2), respectively. From the simulation it follows that the threshold voltage corresponding to the contact of the surface of the membrane and the bottom of the cavity in the substrate, as a result of which the heat accumulated in the membrane by IR radiation is dissipated and the microsystem is switched, is almost 5 times lower for the second design of MEMS element than for the first one. It makes the second design more promising not only in terms of energy consumption, but also speed, due to the larger contact area of the membrane with the heat-conducting layer, which reduces the reset time required to return the MEMS element to its original state. The results obtained can be used to create a new generation of matrix photodetector devices operating in the infrared range.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127891379","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
Theoretical Limits of PHY and MAC for 5G Machine Type Communications 5G机器型通信PHY和MAC的理论极限
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153523
Alexander Loshkarev, V. Drozdova
{"title":"Theoretical Limits of PHY and MAC for 5G Machine Type Communications","authors":"Alexander Loshkarev, V. Drozdova","doi":"10.1109/EDM49804.2020.9153523","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153523","url":null,"abstract":"In this paper, we describe the theoretic limits focusing them on the 5G performance issues, the physical layer and medium access control techniques and throughput limits in case of Machine-Type Communications. The Shannon’s limit of the wireless medium access control protocols is presented as a maximum rate of error-free data and overheads of the medium access control protocol in practical cases of machine-to-machine communications. That allows predicting traffic crowding depending on the input load. Finally, performance modeling of simplified control protocol with varied priority weights for data traffic is provided.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124511893","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
Simulation of the Fire in the Working of Coal Mine Using the Fire Dynamics Simulator Software 利用火灾动力学模拟器软件对煤矿作业中的火灾进行模拟
2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM) Pub Date : 2020-06-01 DOI: 10.1109/EDM49804.2020.9153487
Andrey I. Kin, A. Sidorenko
{"title":"Simulation of the Fire in the Working of Coal Mine Using the Fire Dynamics Simulator Software","authors":"Andrey I. Kin, A. Sidorenko","doi":"10.1109/EDM49804.2020.9153487","DOIUrl":"https://doi.org/10.1109/EDM49804.2020.9153487","url":null,"abstract":"Fire simulation in the working of coal mine using the Fire Dynamic Simulator software package was carried out. The most probable scenario of the fire growth associated with the combustion of the conveyor belt in the conveyor working of coal mine was determined. An approach was chosen basing on the simulation of gas-phase combustion taking into account the internal processes occurring in the material by setting specific rate of solid material combustion. The main analytical dependencies for simulation were formulated, on the basis of which a computer model was developed. Large Eddy Simulation (LES) method was used to describe the turbulent flow during a fire. The Deardorff subgrid model is used to calculate turbulent viscosity. The combustion model is an infinitely fast reaction model. The thermal radiation model involves solving the radiation transfer equation basing on the control volume method. The influence of the ventilation flow rate on the fire propagation rate during the process of the model verification is analyzed. Maximum speed of fire propagation is reached-0.017 m/s at the speed of ventilation flow from 1.5 to 3 m/s. During the simulation, the influence of the inlet airflow rate on the concentration of CO and CO2 was revealed. In addition, the inlet air velocity significantly affects the temperature and heat dissipation power. The maximum values of temperature and power ranged from 420 to 670° c and from 2 to 9 MW, respectively. The duration of the growth fire stage, depending on the inlet airflow rate, varies from 300 s to 600 s.","PeriodicalId":147681,"journal":{"name":"2020 21st International Conference of Young Specialists on Micro/Nanotechnologies and Electron Devices (EDM)","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121093242","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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