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A multi-dimensional residual functional for obtaining the Proper Orthogonal Decomposition coefficients in model reduction 模型约简中获得适当正交分解系数的多维残差泛函
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633415
Richard Ríos, J. Espinosa, C. Mejía
{"title":"A multi-dimensional residual functional for obtaining the Proper Orthogonal Decomposition coefficients in model reduction","authors":"Richard Ríos, J. Espinosa, C. Mejía","doi":"10.1109/ANDESCON.2010.5633415","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633415","url":null,"abstract":"This paper presents a multi-dimensional residual functional for deriving the POD (Proper Orthogonal Decomposition) coefficients of systems described with partial differential equations of one variable in a bidimensional spatial domain, when a POD approach is used for deriving a reduced order model. Model reduction with a POD approach is a technique that uses the signal spectral decomposition and the Galerkin projection for deriving reduced order models. Recently there has been a growing interest in the POD community in the subject of tensor decomposition, since it can address some of the outcomes observed in the current based matrix technique. The main purpose of using tensor decomposition is to derive multidimensional basis functions, which are essential for obtaining a spectral decomposition of the system solution. However, multidimensional basis functions do not match with the residual functional developed in the traditional matrix technique, therefore a generalization of this residual function is needed in order to obtain the POD coefficients.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"170 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126746932","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
DAC topologies for GSM ΣΔ modulators GSM ΣΔ调制器的DAC拓扑
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5630051
Carlos D. Bula, M. Jimenez
{"title":"DAC topologies for GSM ΣΔ modulators","authors":"Carlos D. Bula, M. Jimenez","doi":"10.1109/ANDESCON.2010.5630051","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5630051","url":null,"abstract":"Multi-bit ΣΔ modulators have become the preferred option for high performance, low power cellular GSM applications. When using multi-bit quantization, modulator performance becomes extremely sensitive to the internal digital-to-analog converter (DAC) non-linearity. DAC designs must fulfill linearity, power, and speed requirements for GSM while at the same time enabling dynamic element matching (DEM) techniques to further alleviate linearity problems. In this paper, four architectures are analyzed as candidate DACs for a fully differential (FD), GSM, SDM design. Our analysis highlights the advantages of an FD Charge redistribution DAC (CDAC) topology that uses individual level averaging (ILA) as DEM. Simulations favor a CDAC architecture mainly because it provides the best speed/power/linearity compromise. Evaluations of a complete modulator design using the proposed FD CDAC topology were performed, showing that no in-band harmonic distortion is present in the modulator output.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127230739","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
System for measuring the arterious venous rate (AVR) for the diagnosis of Hypertensive Retinopathy 用于高血压视网膜病变诊断的动静脉速率测量系统
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633081
D. Ortiz, M. Cubides, A. Suarez, M. Zequera, J. Quiroga, Jorge A. Gomez, N. Arroyo
{"title":"System for measuring the arterious venous rate (AVR) for the diagnosis of Hypertensive Retinopathy","authors":"D. Ortiz, M. Cubides, A. Suarez, M. Zequera, J. Quiroga, Jorge A. Gomez, N. Arroyo","doi":"10.1109/ANDESCON.2010.5633081","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633081","url":null,"abstract":"The retinal blood vessels are very sensitive to the changes in the blood pressure. Those changes are reflected as arteriolar narrowing which changes the vessel caliber, and modify the arterious venous rate (AVR). This is an important indicator of the presence of arterial hypertension, and may be used for the prevention of further consequences caused by the hypertension such as heart attack, brain stroke and renal failure. Through the measure of the vessels caliber, it is possible to get the AVR, a measurement considered as an important sign of the presence of Hypertension. A system is developed for measuring the AVR and determine the presence of Hypertensive Retinopathy and the results are evaluated.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125722176","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
Modelling and simulation of a multi-commodity pipeline network 多商品管网的建模与仿真
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633298
J. Noguera, S. Leirens
{"title":"Modelling and simulation of a multi-commodity pipeline network","authors":"J. Noguera, S. Leirens","doi":"10.1109/ANDESCON.2010.5633298","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633298","url":null,"abstract":"Pipeline networks play an important role in the petroleum industry, because these systems provide a connection between ports, oil fields and refineries, as well as consumer markets. The refined products (commodities) such as gasoline, jet fuel, diesel, etc. are transported through a unique pipe. This is a way to avoid the additional cost of several pipes dedicated to specific products. This mode of transportation presents issues like product contamination, which increases the operation costs. Hence, the contaminated portion needs to be processed again or poured at low concentrations with other products. The issue of modeling and simulation of multi-commodity pipelines takes into account the pressure, velocity and including the fluid density. Then, in this paper a dynamic model of multi-commodity pipeline network is developed considering pipes interconnected with pumps. Moreover a mixture model is added to the network. This model allows to predict the contaminated interface in each pipe section.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122349928","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
Hardware architectures for inversion in GF(2m) using polynomial and gaussian normal basis 利用多项式和高斯正态基反演GF(2m)的硬件结构
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633137
V. Trujillo-Olaya, Jaime Velasco-Medina
{"title":"Hardware architectures for inversion in GF(2m) using polynomial and gaussian normal basis","authors":"V. Trujillo-Olaya, Jaime Velasco-Medina","doi":"10.1109/ANDESCON.2010.5633137","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633137","url":null,"abstract":"This paper presents the hardware architectures for inversion in GF(2m), in order to be used in elliptic curve cryptosystems. In this case, the Extended Euclidean Algorithm (EEA) and the Itoh-Tsujii Algorithm (ITA) are implemented. The simulation were carried out using Quartus II v. 9,0 and the design were synthesized on the Stratix III EP3SE50F780C2. The simulation results show a very good performance using small area.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116547226","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
Remote monitoring system with wireless access to industrial processes 具有无线接入工业过程的远程监控系统
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5631567
Tatiana Del Pilar Mateus Guerra, Camilo Pardo-Beainy, Manuel Perez
{"title":"Remote monitoring system with wireless access to industrial processes","authors":"Tatiana Del Pilar Mateus Guerra, Camilo Pardo-Beainy, Manuel Perez","doi":"10.1109/ANDESCON.2010.5631567","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5631567","url":null,"abstract":"Trough history, the mankind has had the need to communicate between them along great distances, with the objective of to share variety of information. The industry has required this communication too, and, for this reason, since many years ago have been developed different protocol to be used in control and monitoring industrial processes. However, in almost all industrial companies the use of wired o of this communication, what can be a limiting. For this reason in this document we will show an innovative system that uses a wireless communication between the industrial processes with the different sensors and the central of monitoring. Also, this system involves a serial server device, which allows monitoring the process for anywhere, via internet through a graphical interface.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"325 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129961424","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
Study of the out-of-phase connection of doubly fed induction generators 双馈感应发电机失相连接的研究
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633399
S. Nesci, J. Gómez
{"title":"Study of the out-of-phase connection of doubly fed induction generators","authors":"S. Nesci, J. Gómez","doi":"10.1109/ANDESCON.2010.5633399","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633399","url":null,"abstract":"Distributed generation systems are acquiring day by day bigger relevance regarding the conventional ones due to the energy requirements and to the use of sources of ecological and renewable energy. Regarding the energies, one of the most developed is the wind energy, which in many cases uses generating machines of the asynchronous type with multiple excitation feeding. The study was carried out on an induction generator multiply excited, associated to a machine-transformer, to which the system or network was out-of-phase reconnected. This situation is presented when a portion of the system remain working as an island, after a fault has taken place, being quickly reconnected the region. From the test series carried out, it can be concluded that in case of a full out-of-phase connection of an induction generator, the obtained current values are approximately two times the ones obtained in case of terminals direct short-circuit. The behavior of the current varies according to if the out-of-phase connection takes place lightly before the opposition or after it. In the first case the balance position is reached without oscillating, on the other hand in the second situation a complete oscillation cycle takes place.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133827852","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
Impact assessment of Distribution Events on Power Quality in MV networks 中压电网配电事件对电能质量的影响评价
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633923
L. Wchima, A. Bohórquez, A. Diez
{"title":"Impact assessment of Distribution Events on Power Quality in MV networks","authors":"L. Wchima, A. Bohórquez, A. Diez","doi":"10.1109/ANDESCON.2010.5633923","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633923","url":null,"abstract":"This paper presents a methodology for assessing the impact or cause-effect relation between Distribution Events (DE) and Power Quality Events (QE) registered in 13.2 kV and 44 kV utility substation busbars, by data mining the time stamps registered into information systems. The results increase the degree of certainty with respect to the responsibility that each distribution circuit has as a potential source of power quality disturbances.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133565281","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
Power and voltage regulation of green energy resources VSC-based conditioning systems 基于vsc的绿色能源调节系统的功率和电压调节
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5630077
Juan David Vasquez Jaramillo, Juan David Hincapie Zea
{"title":"Power and voltage regulation of green energy resources VSC-based conditioning systems","authors":"Juan David Vasquez Jaramillo, Juan David Hincapie Zea","doi":"10.1109/ANDESCON.2010.5630077","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5630077","url":null,"abstract":"The obvious increment in carbon dioxide emission has encourage the power converters designers to enhance designs in order to guarantee the use of green power generation technologies. It should be balanced the fact that we need to decrease carbon dioxide emissions with the fact that we need to ensure that all power system technologies asure system stability, robustness and reliability. A useful power injection and voltage generation is a duty that must be done in the work of conditionig a resource to be connected into the electric grid, for which a power and voltage control system must be studied and proved to give the free way of interconnecting green technologies into the electric grid. This paper, shows a simple but power scontrol and regulation Park's transformation based-scheme for VSC voltage and power control, linked to power flow formulation for VSC-HVDC systems and power factor constraints.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132920368","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
Cardiac, respiratory and oxymetric telemonitoring through a Web application using JSP 通过使用JSP的Web应用程序进行心脏、呼吸和氧测量远程监控
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633281
César Viloria-Núñez, Maman Abouantoun, Anuar Sosa, Hernando Baquero-Latorre
{"title":"Cardiac, respiratory and oxymetric telemonitoring through a Web application using JSP","authors":"César Viloria-Núñez, Maman Abouantoun, Anuar Sosa, Hernando Baquero-Latorre","doi":"10.1109/ANDESCON.2010.5633281","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633281","url":null,"abstract":"In this paper, it's presented a Java application development for the acquisition and management of information about vital signs (blood présure, heart and respiratory frequency and oxygen saturation in blood) of a patient, to be showed in a computer and sent through Internet, allowing specialist doctors to monitor their patients remotely by the net, in real time, so they can give indications to personnel who are with the patient.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115737507","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
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