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2014 International Conference on Applied Electronics最新文献

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Control system for contactless electrical energy transfer with varying air gap 变化气隙的非接触式电能传递控制系统
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011688
S. Judek
{"title":"Control system for contactless electrical energy transfer with varying air gap","authors":"S. Judek","doi":"10.1109/AE.2014.7011688","DOIUrl":"https://doi.org/10.1109/AE.2014.7011688","url":null,"abstract":"Inductive power transfer (IPT) is a system by which electrical energy may be transmitted without electrical connection through a large air gap between coils. Systems usually considered in the literature are the ones with a constant air gap. The paper describes the analysis of IPT, which allows for supplying an electrical load in the conditions of slow, in relation to the dynamics of power supply, changes in the dimensions of the air gap. The system has been proposed which controls the frequency of inverter output voltage in order to maintain resonance for actual air gap dimensions. The IPT control system stability for a selected structure has also been determined. Theoretical developments are compared with experimental results on the prototype IPT.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122359570","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
Energy efficiency of the PV panels using a MPPT controller with improved search speed: Part II: Simulation results 基于改进搜索速度的MPPT控制器的光伏板能源效率:第二部分:仿真结果
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011666
N. Bizon, M. Raducu, M. Oproescu, L. Constantinescu
{"title":"Energy efficiency of the PV panels using a MPPT controller with improved search speed: Part II: Simulation results","authors":"N. Bizon, M. Raducu, M. Oproescu, L. Constantinescu","doi":"10.1109/AE.2014.7011666","DOIUrl":"https://doi.org/10.1109/AE.2014.7011666","url":null,"abstract":"In the second part of this paper the Maximum Power Point Tracking (MPPT) technique for photovoltaic (PV) panels based on modified Extremum Seeking Control (mESC) is analyzed. Even the mESC scheme differs from the classical ESC schemes only on the filters' topology and their used parameter, this proposed control improves quite enough the performances of the PV energy harvesting in comparison with a high-order ESC (hoESC) scheme. In this paper, based on an analysis in the frequency domain, it is demonstrated that an almost double search speed of the PV MPP could be obtained for the mESC scheme in comparison with the hoESC scheme. The mESC scheme is based on a band pass filter (BPF), while the hoESC scheme is based on a series connection of the high pass (HP) and the low pass (LP) filters. Also, the operation of the mESC scheme in the PV Hybrid Power System (HPS) is shown. The simulations performed under different irradiance conditions have shown that the mentioned performances are effective if the mESC scheme is used as MPPT controller.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122230914","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
High performance polyphase FIR filter structures in VHDL language for Software Defined Radio based on FPGA 基于FPGA的软件无线电中VHDL语言的高性能多相FIR滤波器结构
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011674
P. Fiala, R. Linhart
{"title":"High performance polyphase FIR filter structures in VHDL language for Software Defined Radio based on FPGA","authors":"P. Fiala, R. Linhart","doi":"10.1109/AE.2014.7011674","DOIUrl":"https://doi.org/10.1109/AE.2014.7011674","url":null,"abstract":"Digital filters are necessary in digital transmitter / receiver side and popularity of Software Defined Radio (SDR) is forcing complex digital signal processing blocks to be implemented in parallel design flow on FPGA or ASIC. The goal of this paper is to develop efficient pipelined polyphase FIR filter structures in VHDL language for RTL synthesis on FPGA. The proposed structures contain fully parallel polyphase decimation and interpolation FIR filter models. The first part of this paper is focused on formulation of distributed arithmetic technique with polyphase decomposition, which represents the core of designed models. The second part describes mentioned polyphase FIR VHDL models. The extensive emphasis will be put on efficient pipelined implementation with excellent registered performance and optimal design size balance. The third part of this paper deals with rapid design and simulation of proposed VHDL models. The result of RTL synthesis is finally discussed. Very good performance and optimal design size are main benefits of proposed polyphase FIR filters. Developed structures are very suitable for multichannel operation in digital I/Q receiver.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131108385","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
Memristor pinched hysteresis loops: Touching points, Part II 忆阻器夹紧磁滞回线:接触点，第二部分
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011663
D. Biolek, V. Biolková, Z. Kolka
{"title":"Memristor pinched hysteresis loops: Touching points, Part II","authors":"D. Biolek, V. Biolková, Z. Kolka","doi":"10.1109/AE.2014.7011663","DOIUrl":"https://doi.org/10.1109/AE.2014.7011663","url":null,"abstract":"Crossing-type and non-crossing-type touching points of higher orders of a pair of arms of memristor pinched hysteresis loop are analyzed. Mathematical conditions of the occurrence of these points are derived for ideal voltage-controlled memristor driven by the sinusoidal voltage.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132118230","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
3D FEM simulation of small stripline for EMC testing 电磁兼容测试小带状线的三维有限元模拟
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011691
K. Zdeněk, S. Jiří, D. Nikolayev
{"title":"3D FEM simulation of small stripline for EMC testing","authors":"K. Zdeněk, S. Jiří, D. Nikolayev","doi":"10.1109/AE.2014.7011691","DOIUrl":"https://doi.org/10.1109/AE.2014.7011691","url":null,"abstract":"This paper overviews the measurement and simulation of the electric parameters of a small stripline. The stripline was designed and built for electromagnetic compatibility (EMC) testing of small electronic devices with the accent on electromagnetic immunity (EMI) testing. The paper describes the measurement of electric field inside the stripline in an anechoic chamber and the simulation using parametric 3D finite element method (FEM) model that confirms the measurement results. The simulation results demonstrate also the usable area inside the stripline for EMI testing.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114086810","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
Nonlinear stabilization of oscillators by state space energy error feedback 基于状态空间能量误差反馈的振子非线性镇定
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011680
J. Hrusák, M. Stork, D. Mayer
{"title":"Nonlinear stabilization of oscillators by state space energy error feedback","authors":"J. Hrusák, M. Stork, D. Mayer","doi":"10.1109/AE.2014.7011680","DOIUrl":"https://doi.org/10.1109/AE.2014.7011680","url":null,"abstract":"Computation complexity of a broad variety of practical design problems is known to be strongly depending on an imagination about the particular real-world situation. The contribution is based on the fact that our knowledge of reality is always incomplete. The proposed approach is based on the idea that new knowledge can be gained by comparison using the requirement of consistency of different physical, mathematical and system-theoretic interpretations. In this paper the new approach is proposed for control of energy in sinusoidal and chaotic oscillators.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122891928","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
M-FSK intra-pulse modulation analysis by Subspectral Decomposition Method 基于子谱分解的M-FSK脉冲内调制分析
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011701
Z. Matousek, J. Ochodnicky, M. Babjak
{"title":"M-FSK intra-pulse modulation analysis by Subspectral Decomposition Method","authors":"Z. Matousek, J. Ochodnicky, M. Babjak","doi":"10.1109/AE.2014.7011701","DOIUrl":"https://doi.org/10.1109/AE.2014.7011701","url":null,"abstract":"The intra-pulse modulation analysis of a detected signal is a major task of an intelligent receiver, in various civilian and military applications. To determine a signal source signature (e.g. radar or jammer) with M-ary Frequency Shift Keying intra-pulse modulation (M-FSK intra-pulse modulation) in the recent hardware implementation of electronic intelligence system receivers is difficult to achieve. The system for recognition of unknown M-FSK intra-pulse modulated signals by new approach in signal analysis is proposed and described. In proposed system, the signal analysis is performed on the basis of Subspectral Decomposition Method (SDM). The SDM principle and results of simulation of M-FSK intra-pulse modulation signal recognition and decomposition are presented.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129860896","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
Boost power factor correction topology with average current control 具有平均电流控制的升压功率因数校正拓扑
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011704
J. Moldaschl, J. Broulím, L. Palocko
{"title":"Boost power factor correction topology with average current control","authors":"J. Moldaschl, J. Broulím, L. Palocko","doi":"10.1109/AE.2014.7011704","DOIUrl":"https://doi.org/10.1109/AE.2014.7011704","url":null,"abstract":"This paper presents experimental results of a power factor corrector (PFC) with the average current control. Nowadays, we need a power factor corrector for most switch mode power supplies. Usually, a boost corrector with the average current control is used. The average current control offers good noise immunity, small input ripple and stability. Main paper goal was explaining average current shaping technique. We designed PFC with average current control and tested it in range 50 - 500 W. The experimental results proved benefits and drawbacks of this control technique.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129657147","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: 9
Modeling of resonant converter with nonlinear inductance 非线性电感谐振变换器的建模
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011689
J. Koscelnik, J. Šedo, B. Dobrucký
{"title":"Modeling of resonant converter with nonlinear inductance","authors":"J. Koscelnik, J. Šedo, B. Dobrucký","doi":"10.1109/AE.2014.7011689","DOIUrl":"https://doi.org/10.1109/AE.2014.7011689","url":null,"abstract":"The paper deals with the modeling of and design of resonant converters including the nonlinear model of inductance. The main part of paper shows the way how to simulate a nonlinear behavior of a real ferromagnetic core of inductance in MATLABenvironment. Carried-out results are original ones, and in spite of non-linear circuitry the output voltage THD is staying rather small, about 7-11%. Designed nonlinear elements have been inputted in to the simulation model of LCLC resonant converter. The modeling and simulation experiments have been provided in MATLAB software environment. The simulation results are compared with OrCAD results and the experimental measurement as well. The comparison is given on the top of the paper.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130536401","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: 11
Comparison of full-model and reduced-model EKF based position and speed estimators for sensorless DTC of permanent magnet synchronous machines 基于全模型和简化模型EKF的永磁同步电机无传感器直接转矩位置和速度估计器的比较
2014 International Conference on Applied Electronics Pub Date : 2014-09-01 DOI: 10.1109/AE.2014.7011706
V. Muzikova, T. Glasberger, V. Šmídl, Z. Peroutka
{"title":"Comparison of full-model and reduced-model EKF based position and speed estimators for sensorless DTC of permanent magnet synchronous machines","authors":"V. Muzikova, T. Glasberger, V. Šmídl, Z. Peroutka","doi":"10.1109/AE.2014.7011706","DOIUrl":"https://doi.org/10.1109/AE.2014.7011706","url":null,"abstract":"The aim of this paper is to study the use of the Extended Kalman filer (EKF) for sensorless control of a permanent magnet synchronous motor (PMSM) drive controlled by direct torque control (DTC). The main drawback of DTC is the necessity of short sampling period. The challenge for the EKF is therefore the minimization of its execution time. This is achieved by using so called reduced state space model of the drive with only two state variables, the rotor speed and the rotor position. It is proved by simulations and experiments that the EKF with this reduced model has the same performance as the four-dimensional full state space model at much lower computational cost. The sensorless DTC with the reduced model EKF was found to be equal to DTC with the full model EKF in terms of performance and superior in terms of computational cost. All experiments were carried out on a laboratory prototype of the drive with rated power of 250 W.","PeriodicalId":149779,"journal":{"name":"2014 International Conference on Applied Electronics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128124344","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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