2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology最新文献

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Global output feedback stabilization of a class of MIMO nonlinear systems 一类MIMO非线性系统的全局输出反馈镇定
L.T. Vu, P. D. Nguyen
{"title":"Global output feedback stabilization of a class of MIMO nonlinear systems","authors":"L.T. Vu, P. D. Nguyen","doi":"10.1109/ECTICON.2008.4600503","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600503","url":null,"abstract":"In this paper, we introduce a result on the global stabilization problem of nonlinear systems by output feedback. By extending the previous design method the authors construct a global output feedback stabilizer for a class of MIMO nonlinear systems under the global Lipschitz condition or linear growth condition.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122686197","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
Mobile agent based online examination system 基于移动代理的在线考试系统
M. Aye, M. Thwin
{"title":"Mobile agent based online examination system","authors":"M. Aye, M. Thwin","doi":"10.1109/ECTICON.2008.4600405","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600405","url":null,"abstract":"This paper presents a case study namely mobile agent based online examination system and the roles of mobile agents used in the system. The system provides the infrastructure for conducting computer-based examination which the candidates may be spread over in large areas. The system aims to map the real world examination system and concentrates the full stage of the examination from question setting to answer evaluation. By implementing this system using mobile agent gives us several advantages like scalability, flexible structuring, dynamic extensibility, push-pull modes of information dissemination, evaluation of subjective question, and transparency to varying communication channels, application layer multicasting, network latencies and dynamic content delivery.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122831520","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: 15
A multimedia-based and time-sensitive interactive web survey for road user opinion on traffic condition 一项以多媒体及即时互动方式进行的网上调查,目的是搜集道路使用者对交通情况的意见
P. Posawang, S. Phosaard, W. Polnigongit, W. Pattara-Atikom
{"title":"A multimedia-based and time-sensitive interactive web survey for road user opinion on traffic condition","authors":"P. Posawang, S. Phosaard, W. Polnigongit, W. Pattara-Atikom","doi":"10.1109/ECTICON.2008.4600409","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600409","url":null,"abstract":"Web Survey has increased in popularity because of its convenience, ease of use, low cost, and quickness in knowing the result of a survey in real time. Web survey is widely used to gather user opinions on various purposes. However, most such systems are plain-text, and sometimes with a few graphical images. This paper presents an innovative Multimedia-Based and Time-Sensitive Interactive (MTI) Web Survey to collect user opinions on the traffic condition. Open source development tools and emerging web technologies, such as PHP and AJAX, are used in implementing the system to achieve event-sensitive user opinions. This MTI web survey, though presented and illustrated by using road user opinion on traffic condition data, is a general technique that can be applied to any time-sensitive data collection. The usability testing on MTI web survey was also conducted to gain insights on usage issues and the results are discussed.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126258123","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
A particle swarm optimization approach for optimal design of PID controller for position control using Shape Memory Alloys 基于粒子群算法的形状记忆合金位置PID控制器优化设计
Rujisak Muangsong, Diew Koolpiruck, A. Khantachawana, Panadda Niranatlumpong
{"title":"A particle swarm optimization approach for optimal design of PID controller for position control using Shape Memory Alloys","authors":"Rujisak Muangsong, Diew Koolpiruck, A. Khantachawana, Panadda Niranatlumpong","doi":"10.1109/ECTICON.2008.4600522","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600522","url":null,"abstract":"This paper presents the optimal design of PID controller based on a particle swarm optimization (PSO) approach for position control using spring shape memory alloys (SMA) actuator. The mathematical model of experimental system had been approximate near the operating point for the PSO algorithm to adjust PID parameters for the minimum integrated absolute error (IAE) condition. The results show the adjustment of PID parameters converting into the optimal point and the good control response base on the optimal values by the PSO technique.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131950088","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
Metal artifact reduction in cone-beam X-ray computed tomography using statistical iterative reconstruction 利用统计迭代重建减少锥束x射线计算机断层扫描中的金属伪影
S. Aootaphao, C. Pintavirooj, S. Sotthivirat
{"title":"Metal artifact reduction in cone-beam X-ray computed tomography using statistical iterative reconstruction","authors":"S. Aootaphao, C. Pintavirooj, S. Sotthivirat","doi":"10.1109/ECTICON.2008.4600478","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600478","url":null,"abstract":"In general, image reconstruction from metal-embedded data causes streak artifacts that reduce the quality of the reconstructed image. In this paper, the attempt has been conducted to solve the problem of metal artifacts in cone-beam X-ray CT. The proposed method is applied directly to CT measurement data. First, the metal objects in the reconstructed image are detected and then reprojected to obtain the raw data using cone-beam reconstruction. The missing projections caused by the metal objects are replaced with their surrounding unaffected area through interpolation. Finally, the corrected raw data are reconstructed with the convex algorithm, which is the iterative algorithm for maximizing the likelihood function. The reconstructed images of metal artifact data using statistical reconstruction tends to be superior to conventional filtered backprojection (FBP) reconstruction.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116568812","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
PACS (Picture Archiving Communication System) for dentistry 用于牙科的图像存档通信系统
N. Patanachai, B. Uyyanonvara, C. Sinthanayothin, W. Tharanon, P. Sompot, Krikamol Muandet
{"title":"PACS (Picture Archiving Communication System) for dentistry","authors":"N. Patanachai, B. Uyyanonvara, C. Sinthanayothin, W. Tharanon, P. Sompot, Krikamol Muandet","doi":"10.1109/ECTICON.2008.4600376","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600376","url":null,"abstract":"This paper proposes PACS (picture archiving communication system) to manage and transfer information for dental field focusing on 2 main fields as follows. First application was to open digital imaging and communications in medicine (DICOM) files of patients inside the database via local area network (LAN) and hypertext transfer protocol [HTTP]. Second application was to pass patientpsilas personal data and treatment data on the network by applying MySQL database [4] with graphic user interface (GUI) implement using Borland C++ Buildertrade .","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116585162","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 single-phase grid-connected inverter using a Boost Two-Cell Switching converter with Maximum Power Point Tracking algorithm 采用最大功率点跟踪算法的升压双单元开关变换器的单相并网逆变器
K. Tabaiya, W. Lenwari, C. Prapanavarat
{"title":"A single-phase grid-connected inverter using a Boost Two-Cell Switching converter with Maximum Power Point Tracking algorithm","authors":"K. Tabaiya, W. Lenwari, C. Prapanavarat","doi":"10.1109/ECTICON.2008.4600601","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600601","url":null,"abstract":"This paper proposes a single-phase grid-connected inverter for photovoltaic (PV) systems using a boost two-cell switching (BTCS) converter based on a maximum power point tracking (MPPT) technique. Due to nonlinear I-V characteristic of PV cells, the system must include an algorithm to obtain the maximum power from PV cells at any atmospheric condition. The method used in this paper is the incremental conductance (INC) algorithm. The BTCS converter is selected as a power stage with the two-cell semiconductor switching devices controlled to obtain a maximum power from PV cells. The H-bridge inverter provides a sinusoidal current and synchronizes with the grid voltage. The control of the inverter is based on ramp comparison control with constant switching frequency and zero crossing voltage detectors. The experimental results in a test lab showed the effectiveness of the proposed PV system in both constant and rapidly changing in atmospheric conditions.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116596850","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
A review of RFID localization: Applications and techniques RFID定位:应用与技术综述
T. Sanpechuda, L. Kovavisaruch, Ieee Menber
{"title":"A review of RFID localization: Applications and techniques","authors":"T. Sanpechuda, L. Kovavisaruch, Ieee Menber","doi":"10.1109/ECTICON.2008.4600544","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600544","url":null,"abstract":"Indoor localization has been actively researched recently due to security and safety as well as service matters. Previous research and development for indoor localization includes infrared, wireless LAN and ultrasonic. However, these technologies suffer either from the limited accuracy or lacking of the infrastructure. Radio Frequency Identification (RFID) is very attractive because of reasonable system price, and reader reliability. The RFID localization can be categorized into tag and reader localizations. In this paper, major localization techniques for both tag and reader localizations are reviewed to provide the readers state of the art of the indoor localization algorithms. The advantage and disadvantage of each technique for particular applications were also discussed.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"37 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120953091","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: 229
Time domain models for fixed-speed induction generators 定速感应发电机的时域模型
S. Jaikhan, A. Kunakorn
{"title":"Time domain models for fixed-speed induction generators","authors":"S. Jaikhan, A. Kunakorn","doi":"10.1109/ECTICON.2008.4600616","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600616","url":null,"abstract":"This paper presents a comparison of time-domain dynamic models used for a fixed-speed induction generator. Two types of the models are developed on the basis of 5th order equations and 3rd order equations. The models are constructed and implemented using MATLAB/Simulink. Case studies are performed with particular consideration on three-phase fault responses and connecting of capacitors at the stator of the induction generator. It is found that the results obtained from 5th order model give more satisfactory transient responses, and should be used as a representation for the induction generator in power system transient studies.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121093187","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 processing unit for tracking/estimating voltage-current phasor and frequency in power system 电力系统中跟踪/估计电压电流相量和频率的处理单元
C. Wattanasakpubal, T. Bunyagul
{"title":"A processing unit for tracking/estimating voltage-current phasor and frequency in power system","authors":"C. Wattanasakpubal, T. Bunyagul","doi":"10.1109/ECTICON.2008.4600615","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600615","url":null,"abstract":"This paper presents a processing unit for tracking/estimating voltage-current phasor and frequency in power system based on New Adaptive Linear Combination Structure (ADALINE). The key idea of a processing unit is determine the coarse frequency and orthogonal coefficients. After that the frequency measurement and the orthogonal coefficients are fine tuned up to the new values by appropriately interact of the two feed back loops as show in Fig.1. The main algorithm properties are deduced by extensive using computer simulated. Transient and dynamic tests are provided to investigate. The algorithm showed a very high accuracy, robust, fast response and adaptability performance over a wide frequency range 10 to 2000 Hz with a good noise property. The error of the frequency, magnitude and phase angle measurement is nearly zero (1e-6) for steady state.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121343176","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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