2016 ELEKTRO最新文献

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Replacing of DC motor in the first Slovak electric car by an optimized switched reluctance motor 斯洛伐克第一辆电动汽车的直流电动机被优化后的开关磁阻电机取代
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512095
A. Peniak, J. Makarovic, P. Rafajdus
{"title":"Replacing of DC motor in the first Slovak electric car by an optimized switched reluctance motor","authors":"A. Peniak, J. Makarovic, P. Rafajdus","doi":"10.1109/ELEKTRO.2016.7512095","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512095","url":null,"abstract":"The main purpose of this paper is replacement of an existing DC motor by an optimized Switched Reluctance Motor (SRM) for an automotive application, especially for a first Slovak electric car. The SRM was optimized on the base a new optimization procedure, where input parameters were based on requirements for this vehicle e.g. maximum torque, acceleration and power at different speeds. The optimized motor was constructed and the static nonlinear and dynamic performances and parameters were measured and compared with the calculated ones.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123434585","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: 6
Research and development in collaboration with private sectors: Applications of electronics and computer technology in the fields of medical science, ergonomics and assistive technology 与私营部门合作进行研究和开发:电子和计算机技术在医学、人体工程学和辅助技术领域的应用
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512025
Toyohiko Hayashi
{"title":"Research and development in collaboration with private sectors: Applications of electronics and computer technology in the fields of medical science, ergonomics and assistive technology","authors":"Toyohiko Hayashi","doi":"10.1109/ELEKTRO.2016.7512025","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512025","url":null,"abstract":"I have been working as a biomedical and biomechanical engineer in interdisciplinary fields of science in order to better solve urgent problems. In this paper, I'd like to demonstrate research and develop of several products made in collaboration with private sectors. I classified such collaborative approaches into three different categories as follows: 1) university seeds-based type, 2) company needs-based type, and 3) joint development type. As examples of products belonging to categories 1, 2 and 3, a photoelectric measurement system of 6-DOF jaw movements, TRIMETR JKN/1 (Tokyo Shizaisha Inc.), evaluation of swallowing motion of beer (Sapporo Breweries Inc.) and a web-based management and customizing support system of versatile communication aid for persons with communication disorders, VCAN/2, under development with Ginz ado-Net Inc. were demonstrated, respectively.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114481998","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
Utilization of algebraic multigrid for solving electromagnetic field by HP-FEM 利用代数多重网格求解电磁场的HP-FEM
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512132
P. Karban, D. Pánek, P. Kropík
{"title":"Utilization of algebraic multigrid for solving electromagnetic field by HP-FEM","authors":"P. Karban, D. Pánek, P. Kropík","doi":"10.1109/ELEKTRO.2016.7512132","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512132","url":null,"abstract":"Comparison of open-source libraries for solving systems of algebraic equations is carried out. Attention is paid mainly to solvers (or preconditioners) using the method called algebraic multigrid. For comparison, several direct and iterative solvers were chosen, such as MUMPS, UMFPACK, TRILINOS, PARALUTION and PETSc. Utilization of these packages is shown on two examples.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129938229","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
Natural esters as insulating fluids — Some other features 作为绝缘流体的天然酯。一些其他特性
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512158
P. Trnka, V. Mentlík, J. Hornak, A. Čejková, P. Totzauer
{"title":"Natural esters as insulating fluids — Some other features","authors":"P. Trnka, V. Mentlík, J. Hornak, A. Čejková, P. Totzauer","doi":"10.1109/ELEKTRO.2016.7512158","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512158","url":null,"abstract":"Natural esters are candidate fluids for transformer insulation system. Recently the most common insulation system in power transformers is paper-oil system. Oil generally mean petroleum based insulating fluid. As there are efforts to preserve sustainable development, crude oil products should be eliminated and replaced by natural products, which are easily biodegradable. In past it was shown that natural esters may reach qualities of mineral oils in some parameters (from electrical parameters it is typically electric strength), while they remain worse in others (typically dissipation factor). Although there are some difficulties, by proper design they should be eliminated. The paper concentrates on specific aspects of designing insulation elements by preserving the same lifetime as in case of mineral oils.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121269924","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
Patch antenna optimization in COMSOL multiphysics COMSOL多物理场中的贴片天线优化
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512045
Lukas Wezranovski, Zdeněk Urban, L. Ivanek, Yahia A. Zakaria
{"title":"Patch antenna optimization in COMSOL multiphysics","authors":"Lukas Wezranovski, Zdeněk Urban, L. Ivanek, Yahia A. Zakaria","doi":"10.1109/ELEKTRO.2016.7512045","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512045","url":null,"abstract":"This paper deals with the different kinds of optimization. Especially, it uses COMSOL Multiphysics software and its subsequent utilization at the patch antenna. The article deals with optimization of basic dimensions the patch antenna depending on the parameter S11 and the field strength at a defined point. This feature is very important, because it helps determine whether the antenna is properly built or modelled. From this reason, it helps save time and resources of development teams.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"120 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114087286","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
Measurement and processing data from smart metering systems 测量和处理来自智能计量系统的数据
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512087
D. Kaprál, P. Braciník, M. Roch
{"title":"Measurement and processing data from smart metering systems","authors":"D. Kaprál, P. Braciník, M. Roch","doi":"10.1109/ELEKTRO.2016.7512087","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512087","url":null,"abstract":"The paper deals with a data measurement at secondary distribution substations as a toll supporting more sophisticated control of medium and low voltage networks. It presents the structure of already installed measuring system as well as the way how the measured data can help to improve distribution system management, especially a voltage control. The application of such systems can enable the bigger and harmless use of RESs connected to a distribution power system.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124090268","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
Numerical simulations of the propagation of ultra-short Gaussian pulses in optical fibers with high-order nonlinearities 超短高斯脉冲在高阶非线性光纤中传播的数值模拟
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512155
L. Ladanyi, L. Scholtz, Jarmila Mulerova
{"title":"Numerical simulations of the propagation of ultra-short Gaussian pulses in optical fibers with high-order nonlinearities","authors":"L. Ladanyi, L. Scholtz, Jarmila Mulerova","doi":"10.1109/ELEKTRO.2016.7512155","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512155","url":null,"abstract":"Due to the increasing demands for higher channel bitrate continuous pulse shortening is under research. The main goal of this paper is to describe and simulate effects of dispersion and nonlinear phenomena on ultra-short optical pulses propagating through optical fibers. The paper shows that the effect of dispersion causes a frequency shift which can be compensated by self-phase modulation. On the other hand our results prove that effects caused by high-order nonlinearities can be compensated as a result of the third order dispersion which is demonstrated in case of forming the solitary waves.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126491020","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
LMP calculation and OPF based congestion management in deregulated power systems 无管制电力系统中基于LMP计算和OPF的拥塞管理
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512085
Ramesh Guguloth, T. S. Sunil Kumar
{"title":"LMP calculation and OPF based congestion management in deregulated power systems","authors":"Ramesh Guguloth, T. S. Sunil Kumar","doi":"10.1109/ELEKTRO.2016.7512085","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512085","url":null,"abstract":"In restructured electricity markets, an effective transmission pricing method is required to address transmission issues and to generate correct economic signals. Transmission line constraints can result in variations in energy prices throughout the network. These prices depend on generator bids, load levels, and transmission network limitations. A congestion charge is incurred when the system is constrained by physical limits. Locational marginal pricing (LMP) has become a popular method in restructured power markets to address the congestion price. This paper presents, LMP calculations at each bus when system working under normal and congested condition, and the congested system has been relieved by optimal placement of TCSC and DG unit. The optimal placement of TCSC and DG unit are suggested by real power flow and transmission line relief (TLR) sensitivity indexes. Optimal power flow based congestion management (OPF based CM) problem is employed to minimize the cost, calculate LMP's and relieve network congestion in the systems. Were the OPF based CM problem solutions have been obtained by Primal Linear Programming (PLP) and Genetic Algorithm (GA), the developed models have been applied for 26 bus power system network. The comparison is made between PLP and GA OPF CM problem solutions, where the solution by the GA method gave better economic results.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121760474","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: 8
Safety aspects of PKI architecture within C-ITS and their modelling C-ITS中PKI架构的安全方面及其建模
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512107
J. Durech, M. Franeková, P. Luley, E. Bubeníková
{"title":"Safety aspects of PKI architecture within C-ITS and their modelling","authors":"J. Durech, M. Franeková, P. Luley, E. Bubeníková","doi":"10.1109/ELEKTRO.2016.7512107","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512107","url":null,"abstract":"The authors deals with the problem of secure analysis of C2C communications within Cooperative - Intelligent Transportation Systems (C-ITS). In paper PKI (Public Key Infrastructure) on the base of ECDSA (Elliptic Curve Digital Signature Algorithm) for several EC (Elliptic Curves) types is proposed. The experimental part is focused on secure analysis of the worst case scenario of C2C communications for four-lane intersection (with 800 cars), which model was realized via OPNET Modeler with applying OpenSSL libraries. From obtained results the influence of used elliptic curve within message authentication and size of transmitted message to performance of the VANET network was analyzed.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130079984","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 E-leaming to activate freshmen: Challenges and experiences 利用电子学习激活新生:挑战与经验
2016 ELEKTRO Pub Date : 2016-05-16 DOI: 10.1109/ELEKTRO.2016.7512028
J. Tiili
{"title":"Using E-leaming to activate freshmen: Challenges and experiences","authors":"J. Tiili","doi":"10.1109/ELEKTRO.2016.7512028","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2016.7512028","url":null,"abstract":"Finnish educational model in higher education has a dual model, consisting of academic universities and more professionally oriented universities of applied sciences (UAS). Students entering UAS's are very heterogeneous what comes to their scientific and mathematical skills. The key to enhance learning outcomes is reported to be the active engagement of the students. In Tampere UAS, a method to study engineering physics has been improved based on good practices from literature. The idea of the method is to push routine-like elements in online environment, mainly with video-clips distributed via YouTube, and to use the valuable lecturing time to activate the students to study. The similar idea is also used in online courses. In this way the routine-like parts of teaching is always available to help the students. Assessment was also changed. The research done in parallel with implementation of the new method suggest that students' activity is closely connected to the periods of assessment. By spreading the assessment throughout the course, students' activity increases and spreads more evenly on the whole course. Small scale research done with individual students' activity shows that the students who fail to pass the course are much less active on their studying than those who pass. The new method has also had a good response from the students.","PeriodicalId":369251,"journal":{"name":"2016 ELEKTRO","volume":"660 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117315994","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
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