Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333378
V. Sydorets, O. Bushma
Special techniques have been developed and bifurcation processes in nonlinear circuit with laser-arc discharge and inertial feedback was investigated. It was found that Hopf bifurcation can be both supercritical and subcritical. The boundary between the two types of bifurcation has been found. The interaction of Hopf bifurcation with other ones (the bifurcation of the twin limit cycle and bifurcation of saddle separatrix) was described.
{"title":"Analytical and numerical techniques for research of bifurcation processes in an electrical circuit with a laser-arc discharge","authors":"V. Sydorets, O. Bushma","doi":"10.1109/CPEE.2015.7333378","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333378","url":null,"abstract":"Special techniques have been developed and bifurcation processes in nonlinear circuit with laser-arc discharge and inertial feedback was investigated. It was found that Hopf bifurcation can be both supercritical and subcritical. The boundary between the two types of bifurcation has been found. The interaction of Hopf bifurcation with other ones (the bifurcation of the twin limit cycle and bifurcation of saddle separatrix) was described.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133448031","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333324
Y. Bobalo, P. Stakhiv, N. Shakhovska
In this paper the experience in developing an electronic textbook titled "Fundamentals of the theory of electronic circuits" has been summarized. A concept of development principles for electronic textbook is presented. The procedure of assessment and evaluation of knowledge is described in details. An algorithm for automatic task verification with help of a formula entry has been developed.
{"title":"Features of an eLearning software for teaching and self-studying of electrical engineering","authors":"Y. Bobalo, P. Stakhiv, N. Shakhovska","doi":"10.1109/CPEE.2015.7333324","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333324","url":null,"abstract":"In this paper the experience in developing an electronic textbook titled \"Fundamentals of the theory of electronic circuits\" has been summarized. A concept of development principles for electronic textbook is presented. The procedure of assessment and evaluation of knowledge is described in details. An algorithm for automatic task verification with help of a formula entry has been developed.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115405133","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333330
M. Dyvak, A. Pukas, I. Oliynyk
An approach to constructing the macromodel of dynamics of electric power generated by Small HydroElectric Power Station (SHEPS) based on interval data analysis is presented in the paper. A new method the estimation of macromodel parameters is proposed. Unlike the existing ones it provides possibility to get the multiple estimations of parameters and also it has low computational complexity.
{"title":"Macromodel of dynamics of the electric power generated by small hydroelectric power station based on interval data analysis","authors":"M. Dyvak, A. Pukas, I. Oliynyk","doi":"10.1109/CPEE.2015.7333330","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333330","url":null,"abstract":"An approach to constructing the macromodel of dynamics of electric power generated by Small HydroElectric Power Station (SHEPS) based on interval data analysis is presented in the paper. A new method the estimation of macromodel parameters is proposed. Unlike the existing ones it provides possibility to get the multiple estimations of parameters and also it has low computational complexity.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122904116","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333350
V. Malyar, O. Hamola, V. Maday, I. Vasylchyshyn
The mathematical model of an asynchronous motor with capacitors connected in series that allows investigating the influence of capacitance value on the motor startup has been developed. The article presents the results of mathematical modeling.
建立了电容串联异步电动机的数学模型，研究了电容值对电动机启动的影响。文章给出了数学建模的结果。
{"title":"Mathematical modeling of processes in asynchronous motors with capacitors connected in series","authors":"V. Malyar, O. Hamola, V. Maday, I. Vasylchyshyn","doi":"10.1109/CPEE.2015.7333350","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333350","url":null,"abstract":"The mathematical model of an asynchronous motor with capacitors connected in series that allows investigating the influence of capacitance value on the motor startup has been developed. The article presents the results of mathematical modeling.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125113572","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333328
Krzysztof Chwastek, Artur Wodzynski, A. P. S. Baghel, S. V. Kulkarni
Anisotropy is an important phenomenon, which should be taken into account by the designers of magnetic circuits in electrical machines. Even the so-called non-oriented (dynamo) steels feature significant anisotropy. It is thus essential to work out new analytical methods and mathematical models, which may be easily implemented in CAD routines. The paper describes one of possible approaches to address the problem. The results of model prediction are compared to available measurement data for chosen grades of non-oriented and grain-oriented steels.
{"title":"Anisotropic properties of electrical steels","authors":"Krzysztof Chwastek, Artur Wodzynski, A. P. S. Baghel, S. V. Kulkarni","doi":"10.1109/CPEE.2015.7333328","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333328","url":null,"abstract":"Anisotropy is an important phenomenon, which should be taken into account by the designers of magnetic circuits in electrical machines. Even the so-called non-oriented (dynamo) steels feature significant anisotropy. It is thus essential to work out new analytical methods and mathematical models, which may be easily implemented in CAD routines. The paper describes one of possible approaches to address the problem. The results of model prediction are compared to available measurement data for chosen grades of non-oriented and grain-oriented steels.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121167842","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333376
J. Starzyński, R. Szmurlo, Bartosz Chaber, Z. Krawczyk
The recent trends in software development transform classical desktop-based programs into distributed systems offered over the Internet. The authors adapt this approach to the radiotherapy planning software. A general concept and necessary components of such a system are presented.
{"title":"Open access system for radiotherapy planning","authors":"J. Starzyński, R. Szmurlo, Bartosz Chaber, Z. Krawczyk","doi":"10.1109/CPEE.2015.7333376","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333376","url":null,"abstract":"The recent trends in software development transform classical desktop-based programs into distributed systems offered over the Internet. The authors adapt this approach to the radiotherapy planning software. A general concept and necessary components of such a system are presented.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116417353","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333343
V. Korud, O. Hamola, S. Rendzinyak, Olena Gajduchok
The peculiarities of a hybrid laboratory work on electrical engineering are discussed in the article. Its main advantages determined on the experience gained in the specialized laboratory of theoretical and general electrical engineering are also represented here. This approach provides the performance of physical and virtual experiments with the use of modern technical devices and software for modeling of electromagnetic processes.
{"title":"The advantages of the hybrid laboratory work on electrical engineering","authors":"V. Korud, O. Hamola, S. Rendzinyak, Olena Gajduchok","doi":"10.1109/CPEE.2015.7333343","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333343","url":null,"abstract":"The peculiarities of a hybrid laboratory work on electrical engineering are discussed in the article. Its main advantages determined on the experience gained in the specialized laboratory of theoretical and general electrical engineering are also represented here. This approach provides the performance of physical and virtual experiments with the use of modern technical devices and software for modeling of electromagnetic processes.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122541343","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333363
N. Porplytsya, M. Dyvak
In the paper, the mathematical model in form of the interval difference operator (IDO) is considered. The model was used for visualization and identification of the recurrent laryngeal nerve on the tissue of the surgery wound. A method for structure identification of the IDO is proposed.
{"title":"Interval difference operator for the task of identification recurrent laryngeal nerve","authors":"N. Porplytsya, M. Dyvak","doi":"10.1109/CPEE.2015.7333363","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333363","url":null,"abstract":"In the paper, the mathematical model in form of the interval difference operator (IDO) is considered. The model was used for visualization and identification of the recurrent laryngeal nerve on the tissue of the surgery wound. A method for structure identification of the IDO is proposed.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125065995","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333353
M. Medykovskyj, V. Kravchyshyn, O. Shunevych
In this paper the method and algorithm of modeling the dynamics of the load parameters which receive to the input of control system of wind power plant was implemented. Dependence of the dynamics of the input data of control system for the specific time intervals based on analysis of real data was received.
{"title":"Modeling of input load's parameters of control system of wind power system","authors":"M. Medykovskyj, V. Kravchyshyn, O. Shunevych","doi":"10.1109/CPEE.2015.7333353","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333353","url":null,"abstract":"In this paper the method and algorithm of modeling the dynamics of the load parameters which receive to the input of control system of wind power plant was implemented. Dependence of the dynamics of the input data of control system for the specific time intervals based on analysis of real data was received.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121122181","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}
Pub Date : 2015-11-23DOI: 10.1109/CPEE.2015.7333334
M. Howykowycz
The paper discussed computational procedures for electromagnetic field analysis based on finite difference method and utilizing either static or differential parameters. The expressions for tensors of static and differential permeability and their derivatives in an arbitrary Cartesian frame have been received. It has been shown that computational procedure utilizing static parameters requires much more computational time than procedure utilizing differential parameters.
{"title":"Comparison of application features of static and differential parameters","authors":"M. Howykowycz","doi":"10.1109/CPEE.2015.7333334","DOIUrl":"https://doi.org/10.1109/CPEE.2015.7333334","url":null,"abstract":"The paper discussed computational procedures for electromagnetic field analysis based on finite difference method and utilizing either static or differential parameters. The expressions for tensors of static and differential permeability and their derivatives in an arbitrary Cartesian frame have been received. It has been shown that computational procedure utilizing static parameters requires much more computational time than procedure utilizing differential parameters.","PeriodicalId":135123,"journal":{"name":"2015 16th International Conference on Computational Problems of Electrical Engineering (CPEE)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2015-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127424267","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}
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