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2022 13th National Conference with International Participation (ELECTRONICA)最新文献

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Automatic Quality Control of a Connector Assembly Line 连接器装配线的自动质量控制
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874432
V. Tsenev
{"title":"Automatic Quality Control of a Connector Assembly Line","authors":"V. Tsenev","doi":"10.1109/ELECTRONICA55578.2022.9874432","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874432","url":null,"abstract":"This work presents an automatic line for the production of connectors for the automotive industry. The development of automatic quality control is also considered. Through the use of statistics and machine learning, with the application of intelligent measuring systems, fully automatic quality control of the manufactured connectors has been achieved. The obtained results are analyzed and evaluated in terms of quality management standards for the automotive industry IATF 16949 and VDA 6. Conclusions are made about the results and future work, which is a guarantee for continuous improvement and sustainable development in the future.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117229714","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 Transformerless Rectifier with Power Factor Correction 带功率因数校正的无变压器整流器
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874365
Andrey Mirev, Yovko Rakanov, J. Javorova
{"title":"A Transformerless Rectifier with Power Factor Correction","authors":"Andrey Mirev, Yovko Rakanov, J. Javorova","doi":"10.1109/ELECTRONICA55578.2022.9874365","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874365","url":null,"abstract":"This paper presents a new topology for transformerless rectifier for a battery charging unit (BCU) with a high power factor. The neutral grid terminal is connected to the negative battery terminal and to the ground. This is quite suitable for charging batteries, mounted in vehicles with one terminal, connected to the car body as it enables transformerless operation of the rectifier and safety exploitation. The topology has a simple circuit design, which allows for high efficiency, low cost and high reliability. The operating principle is based on the pulse width modulation and the operating mode is buck-boost. The paper presents also the simulation model of the proposed rectifier, as well as simulation results.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126765654","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
Criteria and approaches when choosing an electrode material to increase the wear resistance of titanium alloys by Electro Spark Deposition 电火花沉积提高钛合金耐磨性电极材料选择的标准和方法
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874373
T. Penyashki, G. Kostadinov, A. Nikolov, R. Dimitrova, V. Kamburov, M. Kandeva
{"title":"Criteria and approaches when choosing an electrode material to increase the wear resistance of titanium alloys by Electro Spark Deposition","authors":"T. Penyashki, G. Kostadinov, A. Nikolov, R. Dimitrova, V. Kamburov, M. Kandeva","doi":"10.1109/ELECTRONICA55578.2022.9874373","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874373","url":null,"abstract":"Electrical spark deposition ESD is one of the lightest, cheapest and most promising technologies for creating coatings for various purposes on titanium products. However, the use of this method does not always lead to satisfactory results due to the choice of electrode materials unsuitable for the specific products and operating conditions. In this paper the basic criteria, principles and approaches for the selection of suitable materials to increase the surface hardness and abrasion resistance of titanium alloys by electrospark deposition are formulated and presented. The requirements for coatings are defined for different loads and cases of wear and on this basis the requirements for ESD materials are determined. From the numerous materials for ESD, the ones suitable for increasing the hardness and wear resistance of titanium surfaces have been selected and presented. Author's results are given, which illustrate the described approaches and principles. The established approaches provide increase of wear resistance, operational properties, durability and reliability of the modified surfaces and expansion of the scope of application of the titanium alloys.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126193492","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
Concept of Inductor with a Virtual Air Gap for Increasing Fault Current Capability in Traction Drive Applications 带虚拟气隙电感器的概念，以提高牵引驱动应用中的故障电流能力
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874364
K. Kroičs, J. Zarembo
{"title":"Concept of Inductor with a Virtual Air Gap for Increasing Fault Current Capability in Traction Drive Applications","authors":"K. Kroičs, J. Zarembo","doi":"10.1109/ELECTRONICA55578.2022.9874364","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874364","url":null,"abstract":"Energy efficiency is important in many applications including electrical drives. DC powered electrical traction drives require an input filter to limit voltage fluctuations, electromagnetic interference, and fault currents. The losses in the inductor of the input filter can be reduced by applying a magnetic core and by reducing the number of windings. High fault current can lead to saturation of the core thus resulting in substantial inductance reduction. This paper analyzes the possibility of introducing a virtual air gap to limit core saturation and limit fault current. The FEM simulation method is used to analyze the magnetic flux in the core. The results shows that the proposed method can be useful for such applications, but additional control is required to control the current in the electrical circuit that creates a virtual air gap.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128166361","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
Study of the Machining Processes in a Type of CNC Lathes 某型数控车床的加工工艺研究
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874368
M. Zhilevski, M. Mikhov
{"title":"Study of the Machining Processes in a Type of CNC Lathes","authors":"M. Zhilevski, M. Mikhov","doi":"10.1109/ELECTRONICA55578.2022.9874368","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874368","url":null,"abstract":"This paper discusses the main features of a type of lathe machines with computer numerical control. Based on formulated requirements to these machines, a simplified block diagram of the drive system is composed. The machining modes and cutting forces are determined by the machining parameters. The basic parameters in turning are the cutting speed, feed and cutting depth. They affect the accuracy, roughness, speed and performance of the whole machine. The methodology applied herein includes a theoretical approach and a detailed experimental study. The practical application is demonstrated with machining of some workpieces. Based on the developed geometric model the machining parameters and the tool life for different materials are determined. Some machining operations are shown and discussed. The energy consumption of the drive system in the studied machines is also analyzed. The research held and the results obtained can be used in the application of such lathe machines with computer numerical control.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133946891","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
Research of Automotive Infotainment System and its Design with IoT Connectivity 基于物联网连接的汽车信息娱乐系统及其设计研究
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874420
Neven Nikolov
{"title":"Research of Automotive Infotainment System and its Design with IoT Connectivity","authors":"Neven Nikolov","doi":"10.1109/ELECTRONICA55578.2022.9874420","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874420","url":null,"abstract":"This paper describes research of an Automotive infotainment system and its design with IoT connectivity. The idea is to connect the comfort network in the car - VAN bus to send the Telemetry data to the IoT Cloud. The telemetry data are the info messages to the driver, car speed, RPM, engine temperature, oil level and other. To achieve this are used Esp32 microcontroller with IoT connectivity to the Internet.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"2 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131452772","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
Improvement of Students' Perception of the Subject of Electrotechnics through Laboratory Exercises 通过实验练习提高学生对电工学科的认识
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874412
Z. Zlatev, M. Kocaleva, N. Hinov
{"title":"Improvement of Students' Perception of the Subject of Electrotechnics through Laboratory Exercises","authors":"Z. Zlatev, M. Kocaleva, N. Hinov","doi":"10.1109/ELECTRONICA55578.2022.9874412","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874412","url":null,"abstract":"The situation in education is the same in both Macedonia and Bulgaria. Students have difficulty learning technical sciences and have difficulty solving math problems. For that purpose, to help students, and thus to make the subject we teach better understood, we decided to offer students laboratory tasks solutions. The tasks are from the subject of Electrotechnics, which is studied in the first semester. Laboratory solutions will be displayed using LabVIEWto make it easier for students to visually understand the material and find solutions to the tasks.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115373521","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
3D Modeling of Magnetic Stimulation of Cochlear Nerve 磁刺激耳蜗神经的三维建模
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874413
V. Mateev, Martin Alajov, I. Marinova
{"title":"3D Modeling of Magnetic Stimulation of Cochlear Nerve","authors":"V. Mateev, Martin Alajov, I. Marinova","doi":"10.1109/ELECTRONICA55578.2022.9874413","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874413","url":null,"abstract":"This paper presents 3D modeling of outer magnetic stimulation of cochlear nerve in a realistic human head model. Transient Finite element method (FEM) modeling has been used. The FEM model represents an anatomically precise geometrical model of human head with known tissue electrical properties. The induced voltages and flux densities in the cochlear nerve are determined depending on the stimulation coil relative distance, spatial position to the head and electric current. Shielding effect due to tissue electrical conductivity is estimated and visualized. These data will be used for advanced stimulation coil design and adaptive positioning methodology, with possible application for direct human-to-machine interface.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121331575","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
Improved Approach for Measuring Mains Interference 测量市电干扰的改进方法
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874403
G. Mihov, D. Badarov
{"title":"Improved Approach for Measuring Mains Interference","authors":"G. Mihov, D. Badarov","doi":"10.1109/ELECTRONICA55578.2022.9874403","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874403","url":null,"abstract":"This paper presents a method for measuring the frequency and amplitude of the 1st and 3rd harmonics of mains disturbances. The first harmonic of the mains interference is removed from the signal using a basic band-pass filter. Simultaneously with the subtraction, the deviation of the mains frequency from its rated value is determined and the current correction of the band-pass filter is performed. The third harmonic is removed from the signal by means of an additional band-stop filter, the transfer coefficient of which is also continuously adjusted, together with the transfer coefficient of the main filter. After subtracting the harmonics from the signal, the ratio between the amplitudes of the third and the first harmonic is calculated. Results of research in the MATLAB environment are presented.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"131 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126807898","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
Cloud Services Projects to Support Small and Medium-Sized Businesses and Approaches for their Commercialization 支持中小型企业的云服务项目及其商业化方法
2022 13th National Conference with International Participation (ELECTRONICA) Pub Date : 2022-05-19 DOI: 10.1109/ELECTRONICA55578.2022.9874426
A. Ospanova, L. Kussepova, B. Tuleuov, Gulmira Shakhmetova, M.E. Sabyrova, Nazira Zharaskhan
{"title":"Cloud Services Projects to Support Small and Medium-Sized Businesses and Approaches for their Commercialization","authors":"A. Ospanova, L. Kussepova, B. Tuleuov, Gulmira Shakhmetova, M.E. Sabyrova, Nazira Zharaskhan","doi":"10.1109/ELECTRONICA55578.2022.9874426","DOIUrl":"https://doi.org/10.1109/ELECTRONICA55578.2022.9874426","url":null,"abstract":"This paper discusses the authors' projects of cloud services for small and medium-sized businesses: “A WEB platform for automating the organization and maintenance of business events and information and analytical services with the EDS service” and “A cloud service for monitoring and protecting computer networks with intelligent hardware and software clients and effective virtualization technologies”. These are projects of potential both because of the possibility of developing and implementing new scientific and practical approaches, which are described in this work, and of optimizing the activities of small and medium-sized businesses due to the potential commercializability of project results; they provide the opportunity for organizing a consortium of research organizations and business enterprises of a country. This paper presents the projects groundwork, features and new scientific and practical approaches to their implementation, as well as the prerequisites for the commercialization of project results.","PeriodicalId":443994,"journal":{"name":"2022 13th National Conference with International Participation (ELECTRONICA)","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132019645","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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