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Time frequency analysis of overvoltage hazard due to lightning discharges in distribution cable lines 配电电缆线路雷电放电过电压危害时频分析
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092118
W. Skomudek
{"title":"Time frequency analysis of overvoltage hazard due to lightning discharges in distribution cable lines","authors":"W. Skomudek","doi":"10.1109/SCE.2011.6092118","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092118","url":null,"abstract":"As a result of the development of the up-to-date methods of signal processing it is now possible to obtain spectrum characteristics for any noise for a specific interval in time. Spectrum analysis which applies the combined time and frequency representations of noise can provide additional information regarding the amplitude, power and energy of frequency components found in a particular signal. This pa-per evaluates the possibility of time-frequency analysis application for overvoltage hazard due to lightning discharges in Distribution MV Cable Lines.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132591517","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
Development and neural control of a robotic manipulator with two degrees of freedom 二自由度机械臂的研制与神经控制
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092130
T. L. D. V. Lima, I. S. D. Freitas, J. B. D. M. Filho, Carlos Alberto Nóbrega Sobrinho, J. F. D. Silva
{"title":"Development and neural control of a robotic manipulator with two degrees of freedom","authors":"T. L. D. V. Lima, I. S. D. Freitas, J. B. D. M. Filho, Carlos Alberto Nóbrega Sobrinho, J. F. D. Silva","doi":"10.1109/SCE.2011.6092130","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092130","url":null,"abstract":"This paper presents the design and implementation of a two degree-of-freedom robotic manipulator using rotary joints and driven by three-phase induction motors. The robot is allowed to move over a spatial area of a quarter of a sphere. The position control is accomplished by neural network controllers and the overall control system performance is evaluated based on trajectory following response (sinusoidal reference signals) and on position response (step reference signals).","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133215927","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
The analysis of the control system of the active magnetic bearing 主动磁轴承控制系统分析
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092124
M. Henzel, P. Mazurek
{"title":"The analysis of the control system of the active magnetic bearing","authors":"M. Henzel, P. Mazurek","doi":"10.1109/SCE.2011.6092124","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092124","url":null,"abstract":"The airborne systems of the newest aircrafts are designed in the more electric aircraft (MEA) technology. This technology make an assumption of the use more electrical elements in onboard systems to reduce weight, easier maintainability and to augment safety of the flight. The MEA technology is brought the use of the active magnetic bearings (AMB). Advantages of these systems are the lack of a mechanical contact between the rotor and stator, small losses, no need lubricants, etc. The MEA technology is implemented in aircraft control and actuation systems, too. The actuators are converted the electric or digital control signals to move the flight surfaces of the aircraft. The actuators have more disadvantageous properties, e.g. the overall efficiency, the friction forces, the high complexity. The new technologies are eliminated these negative proprieties. In the paper there are presented the simulation and experimental results of the AMB. There are analyzed the homopolar active magnetic bearing with permanent magnets. This construction of the AMB are designed in the Military University of Technology. There are described the mathematical model of the AMB, the control analysis and experimental results. There are presented the step and frequency characteristics.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115241221","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
Design and performance assessment criteria for controllers applied to magnetic bearings 磁轴承控制器的设计和性能评价标准
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092117
José D. G. Garcia
{"title":"Design and performance assessment criteria for controllers applied to magnetic bearings","authors":"José D. G. Garcia","doi":"10.1109/SCE.2011.6092117","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092117","url":null,"abstract":"Comparisons of controllers applied to active magnetic bearing, discussing which would be best suited, are somewhat frequent in the literature. In this paper, performance criteria, as well as design criteria, are analyzed in order to show that there are tools to be used for the sound development of control systems. Experimental data is used to compare two control system approaches for a self-bearing motor, in order to demonstrate the usage of such tools.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124835326","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 new technique for the determination of magnetic field distribution in a ferromagnetic core 一种测定铁磁磁芯磁场分布的新技术
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092139
I. Sirbu
{"title":"A new technique for the determination of magnetic field distribution in a ferromagnetic core","authors":"I. Sirbu","doi":"10.1109/SCE.2011.6092139","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092139","url":null,"abstract":"This paper proposes a new technique for simulation the magnetic field in a cross section of a ferromagnetic core. As discretization method we choose the finite differences technique because of its simplicity and easy implementation in the rectangular geometries. The resulted algebraic equations were implemented in a program created in Matlab and solved iteratively. The results were analyzed and discussed in comparison with the classical theory and previous works.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124187455","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
Magnetic resonance in the submicron permalloy magnetic dots 磁共振在亚微米的坡莫合金磁点上
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092142
A. Moskaltsova, S. Nedukh
{"title":"Magnetic resonance in the submicron permalloy magnetic dots","authors":"A. Moskaltsova, S. Nedukh","doi":"10.1109/SCE.2011.6092142","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092142","url":null,"abstract":"Ferromagnetic resonance response for X band in the arrays of the cylindrical submicron dots of the permalloy Ni80Fe20 was investigated. Resonance Magnetic field — resonance frequency dependences for arrays of nanodots with D = 4000 nm and D = 500 nm have a D = 300 nm been obtained. Approximation of the experimental data has been performed. The satisfactory coincidence of experimental data with the approximating curves has been achieved in suggestion of the additional field presence. It has been founded that the magnitude of this field in the investigated samples increases with the dot diameter decreasing. Besides that, the presence of the in-plane anisotropy in the samples of small diameter is most probably. The experimental results are confirmed by measurement of the angular dependence of resonance fields in plane of the film.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122782910","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
Mutual inductances in a mathematical model of the three-stage reluctance accelerator 三相磁阻加速器数学模型中的互感
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092136
A. Waindok, G. Mazur
{"title":"Mutual inductances in a mathematical model of the three-stage reluctance accelerator","authors":"A. Waindok, G. Mazur","doi":"10.1109/SCE.2011.6092136","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092136","url":null,"abstract":"The coupled field-circuit model of the three-stage reluctance accelerator is presented in the paper. The finite element method (FEM) has been used to calculate the integral parameters of the model. The circuit model has been obtained with using the Lagrange formulation. In the mathematical model the mutual inductances, which influence the current waves in the coils, have been taken into account. The measurement verification has confirmed the correctness of the mathematical model.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116202021","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: 12
Thermal analysis of three-phase induction motor using circuit models 用电路模型对三相感应电动机进行热分析
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092137
P. Mynarek, M. Kowol
{"title":"Thermal analysis of three-phase induction motor using circuit models","authors":"P. Mynarek, M. Kowol","doi":"10.1109/SCE.2011.6092137","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092137","url":null,"abstract":"The article presents thermal analysis of three-phase induction motor using coupled circuit models. The MATLAB/SIMULINK environment and PLECS toolbox were used to create mathematical model of the examined motor. Coefficient of heat transfer through the winding was set experimentally. Results of calculations presented are verified by the measurements on the physical motor.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121036644","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: 5
Robust control of Scara manipulator Scara机械手的鲁棒控制
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092123
P. Majewski, R. Beniak
{"title":"Robust control of Scara manipulator","authors":"P. Majewski, R. Beniak","doi":"10.1109/SCE.2011.6092123","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092123","url":null,"abstract":"The paper presents mathematical modelling of Scara manipulator. The simulation was carried out in Matlab. In the first part of the article we present derivation of the manipulator dynamic equations. Then we describe the implementation of control law, models of engines and other components necessary to carry out the simulation. Finally, we present the results of simulation of the analyzed manipulator, by means of classic and robust control law.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"9 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114152681","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
Sensorless measurement of the air gap in magnetic bearing systems 磁轴承系统气隙的无传感器测量
Electrodynamic and Mechatronic Systems Pub Date : 2011-12-01 DOI: 10.1109/SCE.2011.6092131
P. Graca, J. Zimon
{"title":"Sensorless measurement of the air gap in magnetic bearing systems","authors":"P. Graca, J. Zimon","doi":"10.1109/SCE.2011.6092131","DOIUrl":"https://doi.org/10.1109/SCE.2011.6092131","url":null,"abstract":"The article presents identification system of the airgap in the magnetic bearing actuator. The system is based on measurement of the current waveform in coils of the bearing. In this work, some aspects of the measurement has been considered and theoretical basic of self sensing method were presented. The device was designed and simulated in NI Multisim 10 program. Prototype of a measurement device was also build and verified.","PeriodicalId":247517,"journal":{"name":"Electrodynamic and Mechatronic Systems","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133711336","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
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