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2006 3rd International Conference on Electrical and Electronics Engineering最新文献

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First 3-phase Grid-connected Photovoltaic System in Mexico 墨西哥首个三相并网光伏系统
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251893
R. González, H. Jiménez, J. Huacuz, G. Munguia
{"title":"First 3-phase Grid-connected Photovoltaic System in Mexico","authors":"R. González, H. Jiménez, J. Huacuz, G. Munguia","doi":"10.1109/ICEEE.2006.251893","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251893","url":null,"abstract":"High levels of solar irradiance falling on Mexico are a good motivation for the installation of grid-connected photovoltaic systems (GPVS) to produce electricity on site. Given the potential benefits of such systems, both for the electricity company and the user, electricity consumers are becoming interested in purchasing and installing them. In this work the first privately owned, 3-phase 30.6 kW GPVS installed in Mexico city is presented. In this application the photovoltaic (PV) generator also constitutes the roof of the building, which represents an additional benefit from this kind of systems. Technical characteristics of the GPVS are presented along with the results from the first few weeks of system operation. It is concluded that due to the particular consumption pattern of electricity in the building, an excess of PV electricity is generated during the morning and midday hours of operation. This excess electricity is fed to the grid in the modality of net metering, as a means to study the flow patterns in such interconnection scheme","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115368697","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
Experimental Gastric Stimulator for Refractory Obesity Treatment 实验性胃刺激器治疗难治性肥胖
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251914
M. Partida, E. Cardiel, M. Rojano, R. Urrutia, P. Hernández
{"title":"Experimental Gastric Stimulator for Refractory Obesity Treatment","authors":"M. Partida, E. Cardiel, M. Rojano, R. Urrutia, P. Hernández","doi":"10.1109/ICEEE.2006.251914","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251914","url":null,"abstract":"Morbid obesity and overweight have alarmingly increased their incidence around the world. They have become a disabling disease with major repercussions. A new and promising method to treat refractory cases of obesity has emerged in the last years. It uses electrical stimulation on vagus nerves to diminish gastric motility producing an early satiety sensation. In this work an experimental gastric stimulator is presented, intended to determine optimal values of intensity, and pulse width as well as better sites of stimulation and electrode-nerve attaching techniques. This device was designed considering a wide range in values to test the feasibility of the technique in vivo and in situ conditions. The device was submitted to a laboratory evaluation, as a first phase, but an implantable gastric pacemaker is pretended","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115431629","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
Analysis and Modeling of Effective Passage Retrieval Mechanisms in QAS QAS中有效通道检索机制的分析与建模
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251871
H. U. Christensen, D. Ortiz-Arroyo
{"title":"Analysis and Modeling of Effective Passage Retrieval Mechanisms in QAS","authors":"H. U. Christensen, D. Ortiz-Arroyo","doi":"10.1109/ICEEE.2006.251871","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251871","url":null,"abstract":"Effective mechanisms for passage retrieval have a direct impact in the performance of question answering systems (QAS). In this paper we investigate the application of fuzzy logic models in passage retrieval (PR), and describe FuzzyPR, our passage retrieval system that applies these models. Additionally, a performance analysis of diverse mechanisms employed in passage retrieval for open domain QAS is presented. Preliminary performance results of FuzzyPR, when applied to retrieving answering passages in the TREC corpora, are provided","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116698214","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
Weighted Proportional Sampling : AGeneralization for Sampling Strategies in Software Testing 加权比例抽样:软件测试中抽样策略的推广
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251865
G. Padilla, C.M. de Oca, I. Yen, F. Bastani
{"title":"Weighted Proportional Sampling : AGeneralization for Sampling Strategies in Software Testing","authors":"G. Padilla, C.M. de Oca, I. Yen, F. Bastani","doi":"10.1109/ICEEE.2006.251865","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251865","url":null,"abstract":"Current activities to measure the quality of software products rely on software testing. The size and complexity of software systems make it almost impossible to perform complete coverage testing. During the past several years, many techniques to improve the test effectiveness (i.e., the ability to find faults) have been proposed to address this issue. Two examples of such strategies are random testing and partition testing. Both strategies follow an input domain sampling to perform the testing process. The procedure and assumptions for selecting these points seem to be different for both strategies: random testing considers only the probability of each sub-domain (i.e. uniform sampling) while partition testing considers only the sampling rate of each sub-domain (i.e., proportional sampling). This paper describes a more general sampling strategy, named weighted proportional sampling strategy. This strategy unifies both strategies into a general model that encompasses both of them as special cases. This paper also proposes an optimization model to determine the number of sampled points depending on the sampling strategy","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116943940","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 Control Strategy to Improve Voltage Sag Ride-Through in Single-Phase Multilevel Active Rectifier 改善单相多电平有源整流器电压暂降穿越的控制策略
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251880
J. Lira, C. Nuñez, M. Flota, R. Alvarez
{"title":"A Control Strategy to Improve Voltage Sag Ride-Through in Single-Phase Multilevel Active Rectifier","authors":"J. Lira, C. Nuñez, M. Flota, R. Alvarez","doi":"10.1109/ICEEE.2006.251880","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251880","url":null,"abstract":"Voltage sags are one of the most important power quality problems, affecting industrial and commercial customers. These events are usually associated with a fault somewhere on the supplying power system. Industrial processes are particularly sensitive to relatively small voltage sags; therefore, customers will have to improve the ride-through capability of the system equipment in their facilities. This paper presents the application of a control strategy to a single-phase multilevel active rectifier in order to achieve a fast compensation and a small ripple in the DC bus during the voltage sag, maintaining the other benefits (power factor correction and input current harmonic components reduction). The proposed strategy is based on a classical PI voltage controller which parameters are modified when voltage sag occurs. The single-phase DQ theory is used to detect voltage sag and to make the compensation by means of a power estimator. Simulation and experimental results have been carried out in a 1 kVA, single-phase power converter","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127544685","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
Adjustable Speed Drives (ASD) Test Bench for Harmonic Distortion Evaluation 用于谐波失真评估的可调速驱动器(ASD)试验台
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251937
J. Cid, J. Moran
{"title":"Adjustable Speed Drives (ASD) Test Bench for Harmonic Distortion Evaluation","authors":"J. Cid, J. Moran","doi":"10.1109/ICEEE.2006.251937","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251937","url":null,"abstract":"Adjustable speed drives (ASD) are the most common source of harmonics in power distribution systems reducing the power quality. The fewer harmonics injected the better the ASD is; this consideration could be used to choose a good ASD among several possibilities in the market. Even more, there is also an increasing need to check for compliance with IEEE 519. Because of this distortion, the electric quantities are difficult to measure. Harmonic or power quality analyzers are expensive equipments for small industries. The test bench proposed is based on a LabView data acquisition system together with a MatLab FFT program calculation. Hall effect current sensors and transformers used as voltage sensors produce the basic signals to, after conditioning, measure the harmonics at the point of common coupling (PCC). Digital signal-processing techniques produce evaluation data and graphics displayed at the front panel of a virtual instrument (VI). A commercial 1 hp ASD was tested with this VI and the results are reported within","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125311307","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
A Wideband MIMO Channel Simulator using the Kronecker Model 使用Kronecker模型的宽带MIMO信道模拟器
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251887
A. Alcocer-Ochoa, V. Kontorovitch, R. Parra-Michel
{"title":"A Wideband MIMO Channel Simulator using the Kronecker Model","authors":"A. Alcocer-Ochoa, V. Kontorovitch, R. Parra-Michel","doi":"10.1109/ICEEE.2006.251887","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251887","url":null,"abstract":"Here we are presenting a simulator for a wireless wideband multiple-input multiple-output (MIMO) channel by considering the prolate spheroidal wave functions (PSWF) set as a universal basis for the temporal correlation properties of the separable MIMO channel using the Kronecker method","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130369694","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
Behavior of R/S Statistic Implementations under Time-Domain Operations 时域操作下R/S统计实现的行为
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251935
J. Pacheco
{"title":"Behavior of R/S Statistic Implementations under Time-Domain Operations","authors":"J. Pacheco","doi":"10.1109/ICEEE.2006.251935","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251935","url":null,"abstract":"Complex correlation structure of current communications network traffic requires the use of algorithms for detecting the degree of dependence in a sample path of the network traffic process. Several algorithms for accomplishing the above exists with varying degrees of accuracy and convergence. In this paper we study the R/S statistic, in particular, the accuracy, convergence and its effectiveness under time aggregation for several long-memory characteristics (fGn and FARIMA). We present the selection of the optimal values of the low and high-ends in the linear fit for three implementations of the R/S statistic. Based on the above we show that different implementations give varying degrees of accuracy, convergence and effectiveness under time aggregation","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124511303","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
Design of an Electroencephalogram Module for Brain Computer Interface Oriented to People with Motor Disabilities 面向运动障碍者脑机接口的脑电图模块设计
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251941
P. Tupayachi, J. Piñeyro, R. Callupe, R. Alvarado
{"title":"Design of an Electroencephalogram Module for Brain Computer Interface Oriented to People with Motor Disabilities","authors":"P. Tupayachi, J. Piñeyro, R. Callupe, R. Alvarado","doi":"10.1109/ICEEE.2006.251941","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251941","url":null,"abstract":"In this work an acquisition module of EEG (Electroencephalographic) signals was developed, oriented to the later construction of a brain computer interface which could allows offer aid and/or rehabilitation therapy to people with motor and/or communication disabilities. The study of these brain computer interfaces is not new, has around 2 decades of investigation. For the implementation of these systems is basically needed 3 stages: An EEG signals acquisition, a signal processing stage, so that it is finally possible to extract specific signal features, according to certain stimuli and finally, features are translated into commands that operate a device like the movement of wheelchairs, prosthesis of amputated members, movement of images or even selection of letters to form words in screen. The acquisition systems used in the study of Brain computer interfaces are usually expensive for that reason this work is centralized in the development of the EEG acquisition stage which allows the beginning of the investigation in this area in our country","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125470984","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
Process of Migration of Routing Protocols in a LAN: RIP to OSPF 局域网内路由协议的迁移过程:RIP到OSPF
2006 3rd International Conference on Electrical and Electronics Engineering Pub Date : 2006-12-04 DOI: 10.1109/ICEEE.2006.251919
M. Perez, A. M. Santiago
{"title":"Process of Migration of Routing Protocols in a LAN: RIP to OSPF","authors":"M. Perez, A. M. Santiago","doi":"10.1109/ICEEE.2006.251919","DOIUrl":"https://doi.org/10.1109/ICEEE.2006.251919","url":null,"abstract":"This paper presents the theoretical and practical foundations of the migration of two routing protocols, they are RIP and OSPF. To increase and to improve the performance maximizing the resources inside a network of information exchanged. Mentioning the advantages and disadvantages that present the protocols selected for the process, using Cisco Ios","PeriodicalId":125310,"journal":{"name":"2006 3rd International Conference on Electrical and Electronics Engineering","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125490529","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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