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2012 16th IEEE Mediterranean Electrotechnical Conference最新文献

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Prefilter bandwidth effects in asynchronous sequential symbol synchronizers based on pulse comparison 基于脉冲比较的异步顺序符号同步器预滤波带宽效应
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440275
A. Reis, J. P. Carvalho, J. F. Rocha, A. Gameiro
{"title":"Prefilter bandwidth effects in asynchronous sequential symbol synchronizers based on pulse comparison","authors":"A. Reis, J. P. Carvalho, J. F. Rocha, A. Gameiro","doi":"10.1109/ICECS.2015.7440275","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440275","url":null,"abstract":"This work studies the effects of the prefilter bandwidth in four sequential symbol synchronizers. We consider three prefilter bandwidths namely B1=∞, B2=2.tx and B3=1.tx, where tx is the bit rate. The synchronizer has two variants one synchronous by both transitions at rate and other asynchronous by both transitions at rate. Each variant has two versions namely the manual and the automatic. The objective is to study the prefilter with the four synchronizers and to evaluate their output jitter UIRMS (Unit Interval Root Mean Square) versus input SNR (Signal Noise Ratio).","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123768246","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
Classification in face recognition by multiclass probabilistic discriminate analysis 基于多类概率判别分析的人脸识别分类
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196514
W. Drira, F. Ghorbel
{"title":"Classification in face recognition by multiclass probabilistic discriminate analysis","authors":"W. Drira, F. Ghorbel","doi":"10.1109/MELCON.2012.6196514","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196514","url":null,"abstract":"A probabilistic approach for discriminate analysis based on the L2-probabilistic measure of dependence is proposed to classify face images. We compare the proposed algorithms coming from such approach to linear discriminate analysis. The comparison is realized in the mean of the probability of misclassification for an example database of face images.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115678106","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
Multi-machine fractional-order power system stabilizers 多机分数阶电力系统稳定器
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196520
R. El-Khazali, N. Tawalbeh
{"title":"Multi-machine fractional-order power system stabilizers","authors":"R. El-Khazali, N. Tawalbeh","doi":"10.1109/MELCON.2012.6196520","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196520","url":null,"abstract":"A fractional-order power system stabilizer (FoPSS) is introduced to control the frequency and the terminal voltage deviation in a multi-machine power system connected to an infinite bus. The proposed controller is a generalization of a FoPSS applied to a single machine connected to an infinite bus. A significant improvement has been achieved using FoPSS over an integer-order power system stabilizer (IoPSS). The numerical simulation shows that stability of the multimachine system is maintained with and without an excitation system when using the FoPSS. The FoPSS is more robust and can sustain sever conditions and wider range of operating points.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121356573","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
PD-like fuzzy control of magnetic sustentation system using FPGA technology 基于FPGA技术的磁支撑系统类pd模糊控制
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196613
A. Azzouna, M. Elborji, A. Sakly, F. M'sahli, A. Mtibaa
{"title":"PD-like fuzzy control of magnetic sustentation system using FPGA technology","authors":"A. Azzouna, M. Elborji, A. Sakly, F. M'sahli, A. Mtibaa","doi":"10.1109/MELCON.2012.6196613","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196613","url":null,"abstract":"This paper proposes the design of PD-like fuzzy logic controller (PDFLC), on Field Programmable Gate Array (FPGA) device which improve speed, accuracy, power, compactness, and cost effectiveness. The design utilizes 1260 slices of the target FPGA. It enables also to produce an output at 6μs. The proposed PDFLC is used to control a magnetic sustentation system. In this system, the metallic ball is kept stable in an adjustable height position. The experimental results show the stability of the metallic ball on the equilibrium position and as same as on an up and down movement.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127336347","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
Radioisotpe measurement of two-phase flow in pipeline using conditional averaging of signal 用信号条件平均法测量管道两相流的放射性同位素
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196400
R. Hanus, A. Szlachta, A. Kowalczyk, L. Petryka, M. Zych
{"title":"Radioisotpe measurement of two-phase flow in pipeline using conditional averaging of signal","authors":"R. Hanus, A. Szlachta, A. Kowalczyk, L. Petryka, M. Zych","doi":"10.1109/MELCON.2012.6196400","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196400","url":null,"abstract":"The paper illustrates use of the gamma-absorption method fortify with analysis based on conditional averaging of signals applied in an investigation of two-phase flows. An example of its application to the gaseous phase transported by a liquid in a horizontal pipeline was evaluated. In the measurements on laboratory installation two 241Am radioactive sources and probes with NaI(Tl) scintillation crystals have been used. Exemplary results of the mean velocity determination of the minority phase in the examined flow are demonstrated, and the evaluation of its uncertainty has been presented. Results obtained by use of the both described method and cross-correlation one have been compared.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126021457","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: 14
Numerical simulation of narrow-beam HF propagation in ionosphere 窄带HF在电离层传播的数值模拟
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196523
I. Egorov, A. Popov
{"title":"Numerical simulation of narrow-beam HF propagation in ionosphere","authors":"I. Egorov, A. Popov","doi":"10.1109/MELCON.2012.6196523","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196523","url":null,"abstract":"Evolution of a narrow Gaussian beam of high-frequency radio waves in the ionosphere is studied. Analysis and simulation procedure are described, numerical examples are given. The conditions of creation of an extended non-linear wave duct are discussed.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"478 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126083615","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
Distribution calculation of wind turbine low frequency electromagnetic fields 风电机组低频电磁场分布计算
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196624
H. Salkić, A. Softić, A. Muharemovic, O. Hadzic
{"title":"Distribution calculation of wind turbine low frequency electromagnetic fields","authors":"H. Salkić, A. Softić, A. Muharemovic, O. Hadzic","doi":"10.1109/MELCON.2012.6196624","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196624","url":null,"abstract":"There are numerous practical problems for which we need to know the spatial distribution of artificially created electromagnetic fields, generated by the human due to advances in technology and widespread use of electrical devices. Low frequency electromagnetic fields around power transmission and distribution networks are time-varying quasistatic electromagnetic fields that have a conservative (non swirling) component of low frequency electric field caused by charges and low frequency swirling component of the magnetic field caused by currents. Compactization of power facilities or devices, reducing the mass of the conductors, the calculation of swirling currents or induced electromotive forces in low frequency circuits, designing of structures for a human protection from electromagnetic fields as well as designing of the facility itself, are only some of the practical issues where the knowledge about time changing of spatial distribution of electromagnetic field is essential. This paper elaborates the results of three-dimensional calculation of stationary, sinus variable low frequency electromagnetic fields of the wind turbine, with complex configuration of elements, consisting of 7 wind aggregates, rated power 1.5MW, type LTW77-1.5, the manufacturer Leitwind, in the software package EFC-400. Analyzing of these calculation results is necessary to point at possible weak spots and give a proposal for measures for elimination of the electromagnetic influences or reducing them to acceptable level.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114940436","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
An energy efficiency and delay guarantee service selection protocol in MANET 一种能源效率和延迟保证的MANET服务选择协议
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196481
J. D. Rekik, L. Baccouche, H. Ben Ghézala
{"title":"An energy efficiency and delay guarantee service selection protocol in MANET","authors":"J. D. Rekik, L. Baccouche, H. Ben Ghézala","doi":"10.1109/MELCON.2012.6196481","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196481","url":null,"abstract":"The real-time applications deployed in MANETs are affected by the mobile node's power constraints and the real-time database service provider's system stability. In this paper, we aim to handle the time-constrained requests within their deadline despite of the mobile nodes limited energy. We propose a cross layer service selection protocol which ensures both timelines and energy efficiency. The proposed solution discards low-power route, overhead route and overloaded service provider. We evaluate the performance of our proposed protocol using the NS2. Simulation results show that the protocol decreases the deadline packet's miss ratio and reduces the energy consumption.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115090647","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
Fundamental aspects concerning wind power system operation. Part 1. Mathematical models 风电系统运行的基本问题。第1部分。数学模型
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196550
M. Babescu, I. Borlea, D. Jigoria-Oprea
{"title":"Fundamental aspects concerning wind power system operation. Part 1. Mathematical models","authors":"M. Babescu, I. Borlea, D. Jigoria-Oprea","doi":"10.1109/MELCON.2012.6196550","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196550","url":null,"abstract":"This paper tries to solve for limited time intervals, by measuring the wind, the following fundamental problems: determining the optimal wind generator rotation to capture the maximum energy, the relationship between the optimal rotation of the permanent magnet synchronous generator (PMSG) and the wind speed variation which determines the kinetic energy variation of the rotating mass, flattening the variations of grid injected power by storing the peak power production in batteries or supercapacitors.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116397582","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: 15
A hardware acceleration of a real time video processing 一个实时视频处理的硬件加速
2012 16th IEEE Mediterranean Electrotechnical Conference Pub Date : 2012-03-25 DOI: 10.1109/MELCON.2012.6196565
L. Touil, Abdessalem Ben Abdelali, M. Abdelatif
{"title":"A hardware acceleration of a real time video processing","authors":"L. Touil, Abdessalem Ben Abdelali, M. Abdelatif","doi":"10.1109/MELCON.2012.6196565","DOIUrl":"https://doi.org/10.1109/MELCON.2012.6196565","url":null,"abstract":"This paper presents a method based on Edge histogram descriptor to accelerate shot cut detector algorithm for real-time applications. In fact, before any content-based manipulations, the hierarchical structure of video must be determined and software pure solution is not suitable for this application due of constraints imposed by this algorithm. In this context we have used a Field Programmable Gate Array (FPGA) integrated architecture to accelerate this treatment.","PeriodicalId":277799,"journal":{"name":"2012 16th IEEE Mediterranean Electrotechnical Conference","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116521844","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
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