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MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference最新文献

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Load restoration in electric distribution networks using a metaheuristic technique 基于元启发式技术的配电网负荷恢复
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653277
O. Duque, D. Morinigo
{"title":"Load restoration in electric distribution networks using a metaheuristic technique","authors":"O. Duque, D. Morinigo","doi":"10.1109/MELCON.2006.1653277","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653277","url":null,"abstract":"In this paper a method for the optimization of the restoration tasks after a failure in an electric distribution network is developed. Fast restoration strategies are necessary to reduce the inconvenience to the user during supply interruptions. A tabu search based metaheuristic technique to compute the time needed for load restoration has been implemented. It considers multiple objectives, such as maximization of the transferred load, minimization of the required time and of the power losses of the new configuration. The method depends on the state of the network switches (opened or closed), the faulted component and the characteristics of the affected load points","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133354142","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: 10
Unified billing system solution for interworking of mobile networks and wireless LANs 移动网络与无线局域网互通的统一计费系统解决方案
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653200
T. Janevski, A. Tudzarov, M. Janevska, P. Stojanovski, D. Temkov, D. Kantardziev, M. Pavlovski, T. Bogdanov
{"title":"Unified billing system solution for interworking of mobile networks and wireless LANs","authors":"T. Janevski, A. Tudzarov, M. Janevska, P. Stojanovski, D. Temkov, D. Kantardziev, M. Pavlovski, T. Bogdanov","doi":"10.1109/MELCON.2006.1653200","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653200","url":null,"abstract":"In this paper we present an applicative solution for a billing system for interworking between public land mobile networks and wireless LANs. The integration between two networks is based on the authentication and accounting mechanisms. We have developed WLAN access controller and WLAN billing system, which provide access control as well as charging and billing functionalities for the WLAN service, respectively. The developed solution gives cost-effective and easy-to-deploy PLMN-WLAN interworking scenario","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134466656","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
Image processing using ICA: a new perspective 基于ICA的图像处理:一个新的视角
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653148
R. Martín-Clemente, S. Hornillo-Mellado
{"title":"Image processing using ICA: a new perspective","authors":"R. Martín-Clemente, S. Hornillo-Mellado","doi":"10.1109/MELCON.2006.1653148","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653148","url":null,"abstract":"Independent component analysis (ICA) provides a sparse representation of natural images in terms of a set of oriented bases. So far, the interest on this result lay on its apparent connection to the neural processing of the mammalian primary visual cortex. In this paper we provide an analysis from a formal (not physiological) point of view. We show that ICA of a natural image is equivalent to filtering the image using a high-pass filter, followed by a sampling. This result determines, on the one hand, the sparse distribution of the independent components and, on the other hand, that the image bases resemble \"edges\" of the original image. Some experiments are included to illustrate the theoretical conclusions","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133891015","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
Multicarrier modem core on FPGA 基于FPGA的多载波调制解调器核心
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653037
G. Marinova, V. Guliashki, D. Le Ruyet, M. Bellanger
{"title":"Multicarrier modem core on FPGA","authors":"G. Marinova, V. Guliashki, D. Le Ruyet, M. Bellanger","doi":"10.1109/MELCON.2006.1653037","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653037","url":null,"abstract":"The paper deals with the realization on FPGA of a filter bank based multicarrier modem core. The main blocks of the modem core are for the transmitter: OQAM modulation for transmitter, synthesis filter bank composed from IFFT and polyphase network; and for the receiver: OQAM modulation for receiver, analysis filter bank composed from polyphase network and FFT. The modem core is implemented on FPGA with 106 gates and its frequency is 7.34 kHz per frame with 512 real data","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134102383","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
Superconducting filters for radio astronomy 用于射电天文学的超导滤波器
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653161
Guoyong Zhang, Jiafeng Zhou, N. Roddis, M. Lancaster
{"title":"Superconducting filters for radio astronomy","authors":"Guoyong Zhang, Jiafeng Zhou, N. Roddis, M. Lancaster","doi":"10.1109/MELCON.2006.1653161","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653161","url":null,"abstract":"Superconducting filters provide extremely low loss and very sharp transitions from stop bands to pass bands and are therefore ideal for cutting out interference in a radio astronomy receiver. The collaborative work between the Jodrell Bank Observatory operated by the University of Manchester and the University of Birmingham has produced a range of filters operating in a number of observation bands between around 400 MHz and 8 GHz. Some of these filters have been tested in receivers and used for astronomy. This paper discusses the design of HTS filters, the mounting of the filters into a cooled receiver and the improved results obtained in astronomical observations. In addition, such a filter has been designed to operate in each element in a focal plane array, in this case a large number of filters are required in the array and miniaturization is a crucial criteria","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114018722","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
An equivalent circuit model for switched reluctance motor 开关磁阻电机等效电路模型
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653312
M. Ayaz, A. Yıldız
{"title":"An equivalent circuit model for switched reluctance motor","authors":"M. Ayaz, A. Yıldız","doi":"10.1109/MELCON.2006.1653312","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653312","url":null,"abstract":"The switched reluctance motor (SRM) is an old member of machine family. Its simple structure, ruggedness, and inexpensive manufacturability make them attractive for industrial applications. This paper presents an equivalent circuit model for switched reluctance motor. Its linear model and dynamics are discussed in detail. Parameters and its approximate equivalent circuit are obtained by using linear model and dynamics of the switched reluctance motor. Simulation studies are performed for phase currents and the steady-state motor operation","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115041150","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
Voltage control and reactive power support in the Spanish transmission network 西班牙输电网的电压控制和无功支持
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653247
P. Frías, T. Gómez, D. Soler
{"title":"Voltage control and reactive power support in the Spanish transmission network","authors":"P. Frías, T. Gómez, D. Soler","doi":"10.1109/MELCON.2006.1653247","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653247","url":null,"abstract":"This paper presents a review of the reactive power support and voltage control management in the Spanish transmission network. This is regulated by two market mechanisms: (i) the network constraint management, and (ii) the voltage control ancillary service. Constraint management is conducted by the SO, who asks generators to modify their outputs to solve power system voltage problems. On the other hand, the ancillary service consists of: (i) an annual auction where reactive regulation capacity VAR resources are agreed, and (ii) the scheduling and real-time operation of these VAR resources. Nowadays, only the first mechanism is fully implemented, while the ancillary service is partially established. Some improvements are proposed for future developments","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114227821","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
Security techniques and specifications for the resources protection in mediation systems 调解系统中资源保护的安全技术与规范
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653225
M. Ezziyyani, M. Bennouna, M. Essaaidi, L. Cherrat, A. Zouitni, M. Hlimi
{"title":"Security techniques and specifications for the resources protection in mediation systems","authors":"M. Ezziyyani, M. Bennouna, M. Essaaidi, L. Cherrat, A. Zouitni, M. Hlimi","doi":"10.1109/MELCON.2006.1653225","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653225","url":null,"abstract":"The information system today need reliable, flexible and secure methods for making public and confidential information available to multiple groups of people: partners, customers, suppliers, and employees. There are a number of available remote access methods, and a range of point products for providing dialup access, VPNs, Web, Citrix, and wireless access. However, information systems face significant challenges integrating multiple point products and providing a manageable framework for effective access control software. As many types of people need easy access to business-critical information, the challenge is to assure that only the right people have access to the right information. This paper presents various methods and techniques for controlling system resources users' access to ensure that only authorized users can access secured resources. This article also covers the basics of access control, general methods and techniques used to manage access to resources, some common attacks that are launched against access control systems and the generalisation the basic security techniques specification for the protection of confidential resources in the mediation systems","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114623611","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
Active and reactive power sharing in parallel operated inverters 并联逆变器有功和无功功率共享
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653280
K. S. Parlak, M. Aydemir, M. Ozdemir
{"title":"Active and reactive power sharing in parallel operated inverters","authors":"K. S. Parlak, M. Aydemir, M. Ozdemir","doi":"10.1109/MELCON.2006.1653280","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653280","url":null,"abstract":"Active and reactive power sharing of parallel operating inverters has been investigated in this paper. The power sharing is achieved by adjusting the frequency and voltage amplitude of each unit. Each unit has its own controller and these controllers make sure that the total active and reactive power is shared by each unit in proportion with their rated powers, without any communication between them. A system consisting of two inverters has been simulated in MATLAB-Simulink","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"256 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114454336","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
Adaptive watermarking techniques based on multi-scale morphological image segmentation 基于多尺度形态学图像分割的自适应水印技术
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653224
M. Rizk, A.E. Youssef, S. El-Khamy
{"title":"Adaptive watermarking techniques based on multi-scale morphological image segmentation","authors":"M. Rizk, A.E. Youssef, S. El-Khamy","doi":"10.1109/MELCON.2006.1653224","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653224","url":null,"abstract":"Two new image adaptive watermarking techniques which are based on multi-scale morphological segmentation are presented in this paper. One of the proposed techniques extends the conventional spatial domain LSB watermarking technique while the other is an extension of blind watermarking in the discrete wavelet domain. The effect of the use of segmentation information on the quality of the watermarked images is discussed and examples are given to show the advantage of morphological segmentation as a preprocessing step for image adaptive watermarking","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114994267","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
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