发布求助
文献互助 智能选刊 最新文献

2020 XI National Conference with International Participation (ELECTRONICA)最新文献

筛选
英文 中文
Approbation of a Mathematical Model of a Specialized Mechatronic System 一种专用机电系统数学模型的认可
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305150
M. Kambushev, N. Chivarov, A. Marinov, R. Dimitrova
{"title":"Approbation of a Mathematical Model of a Specialized Mechatronic System","authors":"M. Kambushev, N. Chivarov, A. Marinov, R. Dimitrova","doi":"10.1109/ELECTRONICA50406.2020.9305150","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305150","url":null,"abstract":"The paper discusses a procedure for studying the adequacy of a nonlinear non-stationary aerodynamic model. The possibility for balancing and the stability of the balanced model in the altitude-speed range of operation of the real aircraft has been studied. The purpose of the research is to determine the range of altitudes and flight speeds in which the behavior of the object and the model coincide.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121827354","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
A Comparative Analysis of Various Filters for Noise Reduction in Cardiac Ultrasound Images 心脏超声图像降噪的各种滤波器的比较分析
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305160
V. Georgieva, Anna Grozeva
{"title":"A Comparative Analysis of Various Filters for Noise Reduction in Cardiac Ultrasound Images","authors":"V. Georgieva, Anna Grozeva","doi":"10.1109/ELECTRONICA50406.2020.9305160","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305160","url":null,"abstract":"Cardiac ultrasound (US) images are used to obtain qualitative information about the outline of the organ and type of tissue, as well as quantitative information on the thickness and movement of the internal walls and layers of the heart. Speckle noise generally masks the fine details of the US image and makes its interpretation difficult for medical diagnosis. This paper presents various filters for noise reduction in cardiac US images, which have been discussed and compared.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125854148","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
Detection of Different Bearing Faults in a Permanent Magnet Synchronous Motor using PWT and LVQNN 基于PWT和LVQNN的永磁同步电机轴承故障检测
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305143
H. Ahani, Vahid Izadi
{"title":"Detection of Different Bearing Faults in a Permanent Magnet Synchronous Motor using PWT and LVQNN","authors":"H. Ahani, Vahid Izadi","doi":"10.1109/ELECTRONICA50406.2020.9305143","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305143","url":null,"abstract":"This paper deals with the detection of bearing-related faults in permanent magnet synchronous motors. First, the motor current was sampled and analyzed using multi-level packet waveform transformation and then based on different features from the transformed signals, which resulting from the primary waveform, the LVQ neural network is trained for doing the classification. The outer-ring, inner-ring, cage, lubricant loss, and imperfect ball fault classes are considered in this paper. The proposed approach for fault detection shows high accuracy for practical cases.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123558018","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
The Impact of the Synchronization between Infrared Camera and Excitation Source on the Quality of Defect Detection in Lock-in Thermography Measurements 红外相机与激发源同步对锁相热成像缺陷检测质量的影响
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305116
B. Bonev
{"title":"The Impact of the Synchronization between Infrared Camera and Excitation Source on the Quality of Defect Detection in Lock-in Thermography Measurements","authors":"B. Bonev","doi":"10.1109/ELECTRONICA50406.2020.9305116","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305116","url":null,"abstract":"The aim of the paper is to study the effect of the synchronization between the excitation source and the thermographic camera on the post-processing results (amplitude and phase contrast) in lock-in thermography. A simulation study of one-dimensional temperature signal models was performed. An electronic module has been developed, allowing changing the phase of the frame capturing signal. The study was performed using a prepared experimental specimen. The results for a different phase of the frame capturing signal are presented.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123707777","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
Modeling for Thermographic Detection of Subsurface Defects above Different Thickness 不同厚度亚表面缺陷的热成像检测模型
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305100
A. Stoynova
{"title":"Modeling for Thermographic Detection of Subsurface Defects above Different Thickness","authors":"A. Stoynova","doi":"10.1109/ELECTRONICA50406.2020.9305100","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305100","url":null,"abstract":"This article presents the results of a study of the effect of tested object thickness on its hidden defects detection by active thermography. A 3D digital active thermography simulation is used for a preliminary study of objects with different type of geometry and materials. The performed experimental checks show confirmation of the simulation results with an error below 10%. The research approach for greater clarity is illustrated with the all results for one chosen object.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117315620","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
Distance Learning and Remote Laboratory Exercises on Power Supply Systems 电力供应系统的远程学习和远程实验室练习
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305156
Dimitar Amaudov, E. Dudin
{"title":"Distance Learning and Remote Laboratory Exercises on Power Supply Systems","authors":"Dimitar Amaudov, E. Dudin","doi":"10.1109/ELECTRONICA50406.2020.9305156","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305156","url":null,"abstract":"The article presents the results of training with remote laboratory exercises on power supply systems. Problems with the assimilation of the study material and the operation of the devices during remote laboratory exercises are discussed. It gave us specific points from a methodological point of view that should be taken into account in this type of training.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129593797","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
An Adaptive Control Scheme for Human Following Behavior of Mobile Robots 移动机器人人类跟随行为的自适应控制方案
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305108
P. Petrov, V. Georgieva, I. Kralov, Stilyan Nikolov
{"title":"An Adaptive Control Scheme for Human Following Behavior of Mobile Robots","authors":"P. Petrov, V. Georgieva, I. Kralov, Stilyan Nikolov","doi":"10.1109/ELECTRONICA50406.2020.9305108","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305108","url":null,"abstract":"This paper presents an adaptive mobile robot control scheme for autonomous human following in which the robot keeps a desired distance from the person. A human-robot interaction model in error coordinates suitable for robot following applications is proposed. An adaptive control law is presented to tackle the problem of the unknown human velocity. Simulation and experimental results are presented to illustrate the effectiveness of the proposed control scheme.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121647733","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
Development of Ultra-Low Power Sensor Node Using FRAM and Nano Timer 基于FRAM和纳米定时器的超低功耗传感器节点的研制
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305121
Stanislav Asenov, D. Tokmakov
{"title":"Development of Ultra-Low Power Sensor Node Using FRAM and Nano Timer","authors":"Stanislav Asenov, D. Tokmakov","doi":"10.1109/ELECTRONICA50406.2020.9305121","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305121","url":null,"abstract":"In this paper, we present a project of ultra-Iow-power sensor nod for IoT applications with LoRaWaN interface, successfully designed and tested. The main features of this design are the ultra-low power consumption of the sensor node in sleep mode, long-distance communication, and secure data transmission. By using external nano timer TPL5110 and FRAM (Ferroelectric Random Access Memory), it is possible to reduce the sensor node sleep mode consumption current Ic to only 45 nA. This increases battery life and sensor node autonomous operation for several years.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"291 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113992656","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
Teaching Methodology for All Digital Phase Locked Loop 全数字锁相环教学方法
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305120
D. Badarov, G. Mihov
{"title":"Teaching Methodology for All Digital Phase Locked Loop","authors":"D. Badarov, G. Mihov","doi":"10.1109/ELECTRONICA50406.2020.9305120","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305120","url":null,"abstract":"This paper discusses the methodology, the tasks, the material base and the problems in the teaching process of all digital phase locked loop. Different types of phase and phase-frequency detectors are examined. Their parameters are compared and the advantages and disadvantages for different applications are discussed. Different types of digital integrators and digital filters are developed and tested along with the different phase-frequency detectors. Different circuits for Digitally Controlled Oscillator are developed and tested. Several different phase locked loops are built and tested. Their parameters are compared and discussed.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121461126","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
Reliability Assessment of the Dependence of MOSFET Transistors on the Thermal Resistance of the Cooling System MOSFET晶体管对冷却系统热阻依赖性的可靠性评估
2020 XI National Conference with International Participation (ELECTRONICA) Pub Date : 2020-07-23 DOI: 10.1109/ELECTRONICA50406.2020.9305162
P. Prodanov
{"title":"Reliability Assessment of the Dependence of MOSFET Transistors on the Thermal Resistance of the Cooling System","authors":"P. Prodanov","doi":"10.1109/ELECTRONICA50406.2020.9305162","DOIUrl":"https://doi.org/10.1109/ELECTRONICA50406.2020.9305162","url":null,"abstract":"MOSFET transistors are elements are one of the most widely used types in industrial electronics. Their reliability assessment is linked to a number of analyses related to the circuits they are used in, the operating electrical and thermal modes, and the operating conditions. The present paper studies the impact of the cooling sink in water cooling systems used for cooling MOSFET transistors in industrial energy conversion systems.","PeriodicalId":229220,"journal":{"name":"2020 XI National Conference with International Participation (ELECTRONICA)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134093087","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
下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信
小红书