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SIMTC: Current transformer model SIMTC:电流互感器模型
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633432
J. A. Sanchez, J. Gonzalez
{"title":"SIMTC: Current transformer model","authors":"J. A. Sanchez, J. Gonzalez","doi":"10.1109/ANDESCON.2010.5633432","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633432","url":null,"abstract":"The current transformer model developed is based on the proposal made by \"Power System Relaying Committee (PSRC)\", the IEC 60044–1 and 60044–6 standards and other technical documents. Therefore, this model proposes to combine the strengths of the PSRC model and IEC standards to verify, select, and validate current transformers used in power systems as the primary element that will deliver information to protection relays. EMTP/ATP was used as simulation platform through its ability to create programming blocks (Models function) and use TACS functions. With the digital model, it is possible to capture information of power system and deliver the results to analyze waveforms at the output of a current transformer. It is also possible to verify important sensitivities which are shown in the last part of the document.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"5 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":"115852872","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
Performance comparison between H∞ and PID control strategies applied to Boost power converters H∞与PID控制策略在Boost功率变换器中的性能比较
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633301
John Sandoval-Moreno, É. Franco-Mejía
{"title":"Performance comparison between H∞ and PID control strategies applied to Boost power converters","authors":"John Sandoval-Moreno, É. Franco-Mejía","doi":"10.1109/ANDESCON.2010.5633301","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633301","url":null,"abstract":"In this paper, a comparison between a current-programmed PID controller and a mixed — sensitivity H∞ controller applied to a Boost power converter will be discussed. The paper carries out the design of the power converter, according to its power and voltage levels. Then, is discussed the design of both control strategies. For the H∞ controller synthesis is discussed the selection of the weight functions and the implication in the close loop system. For the PID controller, is discussed the PID pole-zero placement that secures the close loop system behavior, according to bandwidth and offset requirements. It was found that although the H∞ controller has some problems with the disturbance rejection from variations of the power source and high increments in the load, the amount of energy required by the controller and the dynamical performance of the output voltage against load or power source variation shows a better performance compared with the cascade PID controller, which uses a current sensor for the strategy that can be avoided with a proper H∞ controller or other loop-shaping based controller design.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"98 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":"122888171","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
Evaluation of scheduling algorithms in WiMAX networks WiMAX网络中调度算法的评估
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633482
Hermes Javier Eslava Blanco, Ingrid Patricia Paez Parra
{"title":"Evaluation of scheduling algorithms in WiMAX networks","authors":"Hermes Javier Eslava Blanco, Ingrid Patricia Paez Parra","doi":"10.1109/ANDESCON.2010.5633482","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633482","url":null,"abstract":"The broadband wireless access based on the IEEE 802.16 standard known like WiMAX, is a technology promise to provide services in next generation wireless systems with high transmission rates and quality of service (QoS), this standard use a control access connection oriented (MAC), and define some QoS schemes. In this paper we show some scheduling algorithms such as Round Robin (RR) and Defic Round Robin (DRR) and its future implementation in WiMAX networks.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"32 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":"125546622","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
A low-cost control system for hydraulic applications 用于液压应用的低成本控制系统
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5631888
G. Sánchez, GonzalezJuan Carlos
{"title":"A low-cost control system for hydraulic applications","authors":"G. Sánchez, GonzalezJuan Carlos","doi":"10.1109/ANDESCON.2010.5631888","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5631888","url":null,"abstract":"This paper discuss the main technical issues related with the development of a low-cost control system for hydraulic applications. A prototype of the device equipped with sensors was first tested and calibrated in the laboratory before operating it under actual field conditions. The control system was developed using exclusively free programs which can easily be downloaded on Internet and easy-to-find components, which can be purchased in any electronics store.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"82 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":"126170062","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
Clinical engineering education in Colombia: 2010 specific situation in the Central University and evolution to distance learning in biomédical engineering courses 哥伦比亚临床工程教育:2010年中央大学的具体情况及其向生物医学工程课程远程学习的演变
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633290
Hadjes G. Pierre Samuel, Aguilar V. Nubia Esperanza
{"title":"Clinical engineering education in Colombia: 2010 specific situation in the Central University and evolution to distance learning in biomédical engineering courses","authors":"Hadjes G. Pierre Samuel, Aguilar V. Nubia Esperanza","doi":"10.1109/ANDESCON.2010.5633290","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633290","url":null,"abstract":"Bogotá Universidad Central is one of few academic institutions in clinical engineering education in Colombia. Knowledge and skills have been acquired for a decade through professional courses and new programs for electronic and mechanical engineering. To confront current hospitals needs and specific student obligations, new investments in distance learning have been made. We started an experience of remote education as the initial subject of the line of study in Bioengineering. Tools used for the education process in Biophysics included: videos of skillful classes, scientific support articles, problem solving animation and verification of solutions, The first steps of the project are presented in the following paper.","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":"125436973","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
Optimal control law design for cyclic switching systems based on the minimum principle and singular arcs. Application to a buck converter 基于最小原理和奇异弧的循环开关系统最优控制律设计。降压变换器的应用
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5630274
D. Patiño
{"title":"Optimal control law design for cyclic switching systems based on the minimum principle and singular arcs. Application to a buck converter","authors":"D. Patiño","doi":"10.1109/ANDESCON.2010.5630274","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5630274","url":null,"abstract":"In this article, we present a method for computing an optimal state feedback control law for switched affine systems which do not have common equilibrium points. The hybrid solution is obtained from a general convex formulation for which the existence of the optimal solution is guaranteed. We show that the synthesis of the optimal trajectories yields a partition of the state space with respect to the mode. The design uses singular arcs which are obtained through an algebraic condition. In order to test the performance of the control law, an academical buck converter is taken as an example with a quadratic and a minimum time criteria.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"17 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":"131781291","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
Reducing the polarization mismatch for multipath fading systems 减少多径衰落系统的极化失配
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633309
Pedro Lepsch Mallet de Lima, E. R. Vale, E. Vale
{"title":"Reducing the polarization mismatch for multipath fading systems","authors":"Pedro Lepsch Mallet de Lima, E. R. Vale, E. Vale","doi":"10.1109/ANDESCON.2010.5633309","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633309","url":null,"abstract":"The effects of multipath fading systems have been extensively analysed in telecommunications literature, however, with less attention to polarization mismatch considerations. The purpose of this work is to present a novel way to treat this aspect, resulting in the development of expressions with direct application in the design of the radiobase receiving part of modern mobile radio systems. The technique to be described here can be considered as an application of the theory of SIMO (Single Input Multiple Output) systems of order two, since this model assumes two antenas with orthogonal polarizations for the signal reception. It is also considered in this work systems operating in fast fading conditions. The results of simulations contribute to justify the theory here presented.","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":"134551188","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
Linear multivariable state-feedback starting from the MPF model; as recurrent algorithm to the control for canonical forms 从MPF模型出发的线性多变量状态反馈作为循环算法来控制规范形式
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5633060
Franklin Pineda, A. Chica
{"title":"Linear multivariable state-feedback starting from the MPF model; as recurrent algorithm to the control for canonical forms","authors":"Franklin Pineda, A. Chica","doi":"10.1109/ANDESCON.2010.5633060","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5633060","url":null,"abstract":"This article presents an alternative method for finding the state feedback matrix for MIMO systems from the model matrix polynomial fraction MPF. The proposed algorithm is recurrent state-feedback method for multivariable canonical forms. This algorithm tends to be more efficient at level structurally, but not computationally, because advances in simulation with the model MPF not yet have a clear prospect by using symbolic mathematics. This works shown a simple and easy handling that this model provides to engineers and researches. To facilitate and validate the algorithm, some functions have been developed with Matlab®, which are available in Matlab Mathworks Center.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"18 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132870016","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
Land mobile platform for incursion on semi-structured environments 陆地移动平台入侵半结构化环境
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5632888
J. C. Hernández, William Gomez, L. Solaque
{"title":"Land mobile platform for incursion on semi-structured environments","authors":"J. C. Hernández, William Gomez, L. Solaque","doi":"10.1109/ANDESCON.2010.5632888","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5632888","url":null,"abstract":"Nowadays mobile robots have numerous applications; they help us to avoid situations and environments that involve risks to humans. To undertake the work, certain characteristics such as type of robot locomotion, energy consumption, engines etc, should be considered. The article deals with the design, construction and instrumentation of a prototype mobile robot.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"10 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":"123807956","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
PSS fuzzy controllers with new defuzzification strategies for a multimachine system 一种新的多机系统解模糊策略的PSS模糊控制器
2010 IEEE ANDESCON Pub Date : 2010-11-11 DOI: 10.1109/ANDESCON.2010.5632976
H. Chamorro, M. Rios
{"title":"PSS fuzzy controllers with new defuzzification strategies for a multimachine system","authors":"H. Chamorro, M. Rios","doi":"10.1109/ANDESCON.2010.5632976","DOIUrl":"https://doi.org/10.1109/ANDESCON.2010.5632976","url":null,"abstract":"This paper compares a traditional fuzzy logic controller with two new proposals of defuzzification based on Boolean relations. The objective of the controller is to reduce the electromechanical oscillations like a classical power system stabilizer. The design of controllers begins from of a previous developments in fuzzy logic and fuzzy logic type 2 tested in simulation before, each one is presented including a justified theoretical and methodology explanation of the contribution mentioned and modified with the defuzzification proposals. Time response is evaluated in a multimachine system of two areas for each method.","PeriodicalId":359559,"journal":{"name":"2010 IEEE ANDESCON","volume":"53 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":"126489541","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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