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Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)最新文献

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Continuous time analog filter circuits testing using PRBS input vectors 使用PRBS输入向量的连续时间模拟滤波电路测试
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1346787
M. Al-Qutayri
{"title":"Continuous time analog filter circuits testing using PRBS input vectors","authors":"M. Al-Qutayri","doi":"10.1109/MELCON.2004.1346787","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1346787","url":null,"abstract":"This paper outlines the problems associated with testing analog and mixed-signal circuits. It discusses the failure modes and fault models used. It then proposes a go no go test method for analog circuits. The method is based on the excitation of the circuit-under-test with a pseudo random binary sequence and the subsequent analysis of the captured response. The fault detection capabilities of the test and data analysis method are demonstrated by applying them to a continuous time filter circuit operating in the mid-band frequency range. An initial assessment of the impact of the input test sequence length on the detectability of faults is also discussed.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127630430","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
Dynamic optimization of quality of service in cellular multi-class networks using variable number of guard channels 可变保护信道数量的蜂窝多类网络服务质量动态优化
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1346969
T. Kartalov, T. Janevski
{"title":"Dynamic optimization of quality of service in cellular multi-class networks using variable number of guard channels","authors":"T. Kartalov, T. Janevski","doi":"10.1109/MELCON.2004.1346969","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1346969","url":null,"abstract":"In this paper we propose a novel strategy for channel allocation in multi-class mobile networks with prioritized handovers, which uses dynamically variable guard channels to improve network utilization under given quality of service (QoS) constraints. We define user classes, each of them with different utilization of network channels. We consider the guard channel policy where certain number of channels is dedicated to handover calls, and also, the policy in which this number of channels is dynamically adapted to the network requirements. Our target is to obtain the influence of this methodology over performance parameters, such as call blocking and call dropping probability. Traffic, network and mobility parameters are also taken into account, such as cell capacity, traffic intensity, as well as number and distribution of subscribers per classes.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"166 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132789465","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
Feedback control aspects of nitrogen removal in wastewater treatment 污水处理中氮去除的反馈控制方面
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1346881
J. Kocijan, D. Vrecko, N. Hvala, B. Cecko
{"title":"Feedback control aspects of nitrogen removal in wastewater treatment","authors":"J. Kocijan, D. Vrecko, N. Hvala, B. Cecko","doi":"10.1109/MELCON.2004.1346881","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1346881","url":null,"abstract":"In this paper an investigation of some feedback control issues for wastewater treatment control is presented. The purpose of this investigation is to reveal what we can achieved with feedback control for a given system and whether more sophisticated control algorithms can improve closed-loop performance. The investigation is divided into performance and power consumption studies. The result of the first part is that hard constraints and not the nonlinear system dynamics is the main issue to deal with in a given case due to the chosen criterion for performance evaluation. Feedback control on the other hand influences plant power consumption. A few relatively simple strategies have been shown that could be used to decrease power consumption.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133757592","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 performance of repeaters in UMTS networks UMTS网络中继器的性能
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1346965
A. Ali, J. Gardiner
{"title":"The performance of repeaters in UMTS networks","authors":"A. Ali, J. Gardiner","doi":"10.1109/MELCON.2004.1346965","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1346965","url":null,"abstract":"Providing full reliable radio coverage within their service areas is a key factor in determining the successful operations of third generation (3G) or further generation mobile communication systems. Thus mobile operators need to build many BS sites to achieve this goal. However, this implementation will definitely increase the total network investment and take much longer in \"off-air\" time. Furthermore, in some areas where the mobile traffic is low, or areas that experience abnormal attenuation to radio frequency (RF), building new BS sites is not justified. Alternatively, broadband cellular repeaters, which transmit and receive the same RF signal simultaneously, can be used to provide reliable radio coverage in these areas. This paper studies the link level performance of broadband cellular repeaters as components of 3G mobile systems, based on wideband code division multiple access-frequency division duplex (WCDMA-FDD) that focus on uplink.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133790529","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
Low-sensitivity, low-power 4/sup th/-order low-pass active-RC allpole filter using impedance tapering 低灵敏度，低功耗4/sup /阶低通有源rc全极滤波器，采用阻抗逐渐变细
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1346784
D. Jurišić, G. Moschytz, N. Mijat
{"title":"Low-sensitivity, low-power 4/sup th/-order low-pass active-RC allpole filter using impedance tapering","authors":"D. Jurišić, G. Moschytz, N. Mijat","doi":"10.1109/MELCON.2004.1346784","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1346784","url":null,"abstract":"The analytic design procedure of low-sensitivity, low-power, low-pass (LP) 2/sup nd/- and 3/sup rd/-order class-4 active RC allpole filters, using impedance tapering, has already been published (Moschytz, 1999). In this paper the desensitisation using impedance tapering is applied to the design of LP 4/sup th/-order filters. The numerical design procedure was performed by Newton's iterative method. Analytically designed unity-gain LP 4/sup th/-order filters (Jurisic et al., 2004) can provide initial values for Newton's method. The sensitivities of a filter transfer function to passive components tolerances, as well as active gain variation are examined by the Schoeffler sensitivity and Monte Carlo PSpice simulation. Butterworth and Chebyshev 0.5dB filter examples illustrate the design method.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133793597","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
Industrial communication network with programmable logical controller as a nucleus of mechatronic laboratory 以可编程控制器为核心的工业通信网络机电一体化实验室
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1348266
M. Vrazic, I. Gašparac, I. Ilic
{"title":"Industrial communication network with programmable logical controller as a nucleus of mechatronic laboratory","authors":"M. Vrazic, I. Gašparac, I. Ilic","doi":"10.1109/MELCON.2004.1348266","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1348266","url":null,"abstract":"This paper presents with the role of the programmable logical controller (PLC) in the mechatronic laboratory for the research on the electric vehicles, especially electric vehicle drives. The general specification and recommendation on the PLC characteristics for this purpose are given. Also some application of the PLC and test results are presented.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130369058","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
Mobile systems as a mean to achieve e-inclusion 移动系统作为实现电子包容的手段
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1347014
M. F. Cabrera, M. Arredondo, J. L. Villalar, J. Naranjo, I. Karaseitanidis
{"title":"Mobile systems as a mean to achieve e-inclusion","authors":"M. F. Cabrera, M. Arredondo, J. L. Villalar, J. Naranjo, I. Karaseitanidis","doi":"10.1109/MELCON.2004.1347014","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1347014","url":null,"abstract":"People with special needs (PSN), e.g., disabled and elderly people, often requires the assistance of the other individuals in their daily activities. Approaches on PSN support with regards to the management of their daily life by means of IT-based services are developed by the CONFIDENT project, which is partially funded by the European Commission. The developed platform is based on the \"access from anywhere paradigm\" and is built on a distributed and collaborative architecture based on Web services. This structure provides assistants and PSN with secure access to a service network from various devices. Multiple channels of communication are established so as to provide the users with a communication environment that helps them to live their life independently and according to their own choices. Bio-metric signal monitoring and the provision of the commonly used ways of interaction helps them to organize their own way of life whilst being confident not being left alone in exceptional and emergency cases.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124745046","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
Stability of a MV distribution network with electronically interfaced distributed generation 具有电子接口分布式发电的中压配电网的稳定性
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1348216
J. Yao, D. Popovic
{"title":"Stability of a MV distribution network with electronically interfaced distributed generation","authors":"J. Yao, D. Popovic","doi":"10.1109/MELCON.2004.1348216","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1348216","url":null,"abstract":"This paper studies the influence and potential benefits of an electronically interfaced distributed generator with respect to overall network behavior and under varying load conditions. A fuel cell (FC) generator has been chosen to represent a generation technology of relatively high efficiency, low environmental impact and good dynamic response during disturbances. Several operational modes of a fuel-cell generator corresponding to different control strategies of its inverter interface are investigated. The new control scheme of a power conditioning unit (PCU) is proposed and its performance tested with respect to network security and stability.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132007481","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
Adaptive tool path planning applied in manufacturing optimization 自适应刀具轨迹规划在制造优化中的应用
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1346856
J. Radej, L. Budin, Z. Mihajlovic
{"title":"Adaptive tool path planning applied in manufacturing optimization","authors":"J. Radej, L. Budin, Z. Mihajlovic","doi":"10.1109/MELCON.2004.1346856","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1346856","url":null,"abstract":"Paper describes research done on algorithms for the generation of gouge-free nonisoparametric tool paths across surface plane segments obtained through triangulation partitioning. Along with contiguous trajectory sequences, adaptive tool path planning introduces partially discontinuous tool trajectories. Algorithm achieves the necessary trajectory continuity by the insertion of the auxiliary tool-orientation trajectories. The tool passes over the path gaps are accomplished through rapid tool traverses. The evaluation of surface machining optimization is provided by simulation of computed tool motion trajectories applied to triangulation models. Tool tracks and tool trajectories obtained with different surface models are used for presentation and examination of the optimized tool path modeling and algorithm computing performance issues.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131884999","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
Low complexity smart card-based physical access control system over IP networks 基于IP网络的低复杂度智能卡物理访问控制系统
Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521) Pub Date : 2004-05-12 DOI: 10.1109/MELCON.2004.1347052
F.D. Civico, A. Peinado
{"title":"Low complexity smart card-based physical access control system over IP networks","authors":"F.D. Civico, A. Peinado","doi":"10.1109/MELCON.2004.1347052","DOIUrl":"https://doi.org/10.1109/MELCON.2004.1347052","url":null,"abstract":"A low complexity and low cost system is presented to control the physical access to dependencies provided that an IP intranet exists. The system is based on very simple smart cards and a central server allowing high flexibility of permission management. A specific protocol has been designed to access the server securely via IP in order to authenticate the user/smart card. The protocol presented also detects cloned cards.","PeriodicalId":164818,"journal":{"name":"Proceedings of the 12th IEEE Mediterranean Electrotechnical Conference (IEEE Cat. No.04CH37521)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132213701","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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