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2012 ELEKTRO最新文献

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Optimization of RF band pass filter by genetic algorithm 基于遗传算法的射频带通滤波器优化
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225576
J. Palecek, M. Vestenický, P. Vestenický, D. Ticha
{"title":"Optimization of RF band pass filter by genetic algorithm","authors":"J. Palecek, M. Vestenický, P. Vestenický, D. Ticha","doi":"10.1109/ELEKTRO.2012.6225576","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225576","url":null,"abstract":"This paper deals with design and optimization of RF band pass filter in the terms of used passive components. Genetic algorithm is used in the optimization loop due to its favorable properties in the terms of representation approach to an individual. Mathematical model of the filter based on cascaded two ports, usage of genetic algorithm and the cost function creation are also presented. Comparison of optimization process results and conventional design algorithm results are presented and discussed at the end of paper.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129920460","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
A smoke spreading in road tunnel 浓烟在公路隧道中蔓延
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225614
P. Matis, J. Spalek
{"title":"A smoke spreading in road tunnel","authors":"P. Matis, J. Spalek","doi":"10.1109/ELEKTRO.2012.6225614","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225614","url":null,"abstract":"This paper deals with the smoke spreading in the road tunnel issue. At the first part we deal with the genesis of the smoke during a fire in the tunnel and its characteristics. We have focused on the characteristics which influence its speed and direction of the smoke spreading in the tunnel as well as its structure that influence the people who are present inside the tunnel. The paper is also dealing with the influence towards the tunnel itself and the traffic. The conclusion of the paper deals with tunnel ventilation that has the greatest influence on the smoke spreading in the closed tunnel space. This work serves as a theoretical basis for a model the spread of smoke in a road tunnel.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134564672","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 and examination of interior Permanent Magnet Synchronous traction Motor 内置式永磁同步牵引电动机的研制与检验
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225634
M. Franko, J. Ondrejicka, J. Kuchta
{"title":"Development and examination of interior Permanent Magnet Synchronous traction Motor","authors":"M. Franko, J. Ondrejicka, J. Kuchta","doi":"10.1109/ELEKTRO.2012.6225634","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225634","url":null,"abstract":"The paper deals with the design of Permanent Magnet Synchronous traction Motor (PMSM) that was based on volume and stator windings of asynchronous traction motor with an output power 70 kW. The proposed PMSM was built with permanent magnets (PM) placed as barriers into the rotor. There will be described the basic parameters as well as design and the results of type test realized on PMSM with rotor's prototype and their experimental verification and valuation in comparison with the theoretical knowledge. Finally they will be compared to the parameters of asynchronous traction motor (ATM) and PMSM with design recommendations for improvement performances of PMSM.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128097528","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
Mathematical model of subscriber extension line 用户延长线的数学模型
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225577
I. Petríková, Z. Divis, Z. Tesar
{"title":"Mathematical model of subscriber extension line","authors":"I. Petríková, Z. Divis, Z. Tesar","doi":"10.1109/ELEKTRO.2012.6225577","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225577","url":null,"abstract":"The paper focuses on measurement properties of metallic subscriber extension lines to build regression mathematical model for a symmetric pair cable. The regression model is compared with an analytical model based on a theoretical description of transfer parameters for this type of line. The output of the paper should demonstrate the impact of electromagnetic interference on the symmetric pair. The paper also describes the method to identify the interference sources and type using the regression mathematical model.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134056626","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 new piezoelectric motor design utilizing electric and magnetic fields 一种利用电场和磁场的新型压电电机设计
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225636
C. Bezawada, P. Potuganti, S. Kalluri, A. Nugur
{"title":"A new piezoelectric motor design utilizing electric and magnetic fields","authors":"C. Bezawada, P. Potuganti, S. Kalluri, A. Nugur","doi":"10.1109/ELEKTRO.2012.6225636","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225636","url":null,"abstract":"Ultrasonic motors are special motors with unique characteristics with applications in wide areas including MEMS, medical equipments, etc. The present day ultrasonic motors work on the principle of inverse piezoelectric effect and convert the mechanical vibrations in piezo crystals into smooth rotation of rotor. In this paper we propose a running principle of motor with external magnetic and electric fields which unveil a paradigm shift in ultrasonic motor evolution. The proposed model is proved to deliver high efficiency than existing ones. The operating principle, brief circuitry required and analysis have proposed. With this new model piezoelectric motors will find diverse applications in wide variety of fields.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127120153","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
Unconventional methods for PM Synchronous Motor parameters investigation 永磁同步电机参数研究的非常规方法
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225650
M. Stulrajter, M. Musak
{"title":"Unconventional methods for PM Synchronous Motor parameters investigation","authors":"M. Stulrajter, M. Musak","doi":"10.1109/ELEKTRO.2012.6225650","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225650","url":null,"abstract":"The paper describes the electrical parameters investigation of a surface Permanent Magnets Synchronous Motor (PMSM). Several methods have been using for the resistance and inductance measurement. Unfortunately, the standard techniques do not always allow the estimation of the inductances saturation curves and therefore the new approaches are shown in the paper. The acquired parameters are compared and evaluated, and the most accurate methods will be processed and used for further microcomputer implementation.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117202989","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: 7
A complex overview of the rotary single inverted pendulum system 复杂的旋转单倒立摆系统概述
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225609
S. Jadlovska, J. Sarnovsky
{"title":"A complex overview of the rotary single inverted pendulum system","authors":"S. Jadlovska, J. Sarnovsky","doi":"10.1109/ELEKTRO.2012.6225609","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225609","url":null,"abstract":"The purpose of this paper is to perform an in-depth analysis of the rotary single inverted pendulum system using a Simulink block library designed by the authors of this paper - the Inverted Pendula Modeling and Control (IPMaC), which offers comprehensive program support for modeling, simulation and control of classical and rotary inverted pendula systems. With the aid of appropriate function blocks, GUI applications and demonstration schemes from the IPMaC, the rotary single inverted pendulum system is analyzed, modeled and successfully stabilized in the unstable inverted position.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117130811","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
A methodology applicable to building a classifier of pavement roughness measurement methods and devices 一种适用于建立分类器的路面粗糙度测量方法和装置的方法
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225610
A. Janota, J. Halgas
{"title":"A methodology applicable to building a classifier of pavement roughness measurement methods and devices","authors":"A. Janota, J. Halgas","doi":"10.1109/ELEKTRO.2012.6225610","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225610","url":null,"abstract":"The paper presents a methodological approach used by the authors in the process of design of a knowledge base for the domain related to measurement of different pavement characteristics. As the main representation formalism a rule is considered. Individual steps taken in the process of knowledge discovery in data are discussed. The process is demonstrated using limited sample data related to pavement roughness measurements processed by inductive learning algorithms. The paper emphasizes procedural aspects of the design process rather than presentation of complete results that are not fully available yet because of the early stage of the research project being in the background.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115520572","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
Estimation of load angle using measured parameters of synchronous machine 利用同步电机的测量参数估计负载角
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225652
J. Turček, P. Sekerák, D. Hropko
{"title":"Estimation of load angle using measured parameters of synchronous machine","authors":"J. Turček, P. Sekerák, D. Hropko","doi":"10.1109/ELEKTRO.2012.6225652","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225652","url":null,"abstract":"This article deals with the indirect method of synchronous machine load angle estimation using known and measured properties of the electric machines.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132542358","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
Exploring possibilities of predictive self-programming thermostats for energy savings 探索预测性自编程恒温器节能的可能性
2012 ELEKTRO Pub Date : 2012-05-21 DOI: 10.1109/ELEKTRO.2012.6225615
T. Mikluscák, A. Kapjor, A. Janota, O. Biros
{"title":"Exploring possibilities of predictive self-programming thermostats for energy savings","authors":"T. Mikluscák, A. Kapjor, A. Janota, O. Biros","doi":"10.1109/ELEKTRO.2012.6225615","DOIUrl":"https://doi.org/10.1109/ELEKTRO.2012.6225615","url":null,"abstract":"In this paper we present predictive self-programming thermostat which controls the heating of a smart environment based on occupancy prediction. We present results of 290 days-long simulation as well as limits of similar systems for energy savings.","PeriodicalId":343071,"journal":{"name":"2012 ELEKTRO","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132295184","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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