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The innovative AlN-ISFET based pH sensor 基于AlN-ISFET的创新pH传感器
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600559
W. Bunjongpru, S. Porntheeraphat, O. Trithaveesak, N. Somwang, P. Khomdet, W. Jeamsaksiri, C. Hruanun, A. Poyai, J. Nukeaw
{"title":"The innovative AlN-ISFET based pH sensor","authors":"W. Bunjongpru, S. Porntheeraphat, O. Trithaveesak, N. Somwang, P. Khomdet, W. Jeamsaksiri, C. Hruanun, A. Poyai, J. Nukeaw","doi":"10.1109/ECTICON.2008.4600559","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600559","url":null,"abstract":"This innovative pH-ISFET sensor used nanocrystalline-AlN thin film as ion-sensitive membrane which prepared by reactive gas-timing r.f. magnetron sputtering without heating substrate and post annealing. The technique of gas-timing r.f. magnetron sputtering purposed by us, the feeding gas is on-off controlled periodically in such a way that the deposited AlOxNy film has a quite stable composition of aluminum, nitrogen and oxygen (Al:O:N=52:18:30%) all over the entire film. The AlN-ISFET devices were structured. The pH-sensitivity characteristics show increasing sensitivity depended on film thickness. The highest sensitivity is 54.50 mV/pH achieved from 80 nm of AlN thin film which is comparable to our previous report Si3N4-ISFET devices.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"77 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":"128456205","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
Meteorological simulation portal on the Thaigrid system 气象模拟门户网站上的泰格系统
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600395
S. Vittayasermsathian, K. Wongjumpa, W. Yamwong, R. Sarochawikasit
{"title":"Meteorological simulation portal on the Thaigrid system","authors":"S. Vittayasermsathian, K. Wongjumpa, W. Yamwong, R. Sarochawikasit","doi":"10.1109/ECTICON.2008.4600395","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600395","url":null,"abstract":"This project proposes the design and development of the meteorological portlets on the GridSphere portal framework. The portlets support the simulations of climate data with the MM5 modeling system and the visualization of the results through Vis5D. Our main goal is to provide an easy way for the researchers to work with MM5 and to utilize the Thaigrid infrastructure, where large computational resources are readily available. By using the portal framework, the users will be able to use a typical Web browser to create the simulation models. After all the required parameters in MM5 have been set, the portlets will submit the job to the Thaigrid system. Once the computation is done, the resulting data will be available for visualizing or downloading through the browser. The output can be in various forms including texts, graphs, images, and animations.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"14 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":"117178997","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 unified Newton-Raphson technique for AC-DC power flow analysis with thyristor controlled series capacitor 可控硅控制串联电容器交直流潮流分析的统一牛顿-拉夫森技术
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600584
J. Kaewmanee, S. Sirisumrannukul
{"title":"A unified Newton-Raphson technique for AC-DC power flow analysis with thyristor controlled series capacitor","authors":"J. Kaewmanee, S. Sirisumrannukul","doi":"10.1109/ECTICON.2008.4600584","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600584","url":null,"abstract":"This paper presents a unified Newton-Raphson method to solve an AC power flow problem with the presence of a DC link and a tyristor controlled series capacitors (TCSC). A DC link provides an economical way to interconnect areas with long-distance separation or those with different frequencies or incompatible frequency control. A TCSC, a series capacitor bank shunted by a thyristor-controlled reactor, provides fast and reliable power flow control. The presence of a DC link and a TCSC introduces complexity in power flow calculation. It is therefore proposed in this paper the unified Newton-Raphson technique for solving the AC part, the DC part and the TCSC part simultaneously. The methodology is demonstrated by a modified IEEE 14-bus power system with result and discussion.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"31 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":"114313384","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
Performance evaluation of anomaly detection in cellular core networks using self-organizing map 基于自组织映射的蜂窝核心网络异常检测性能评价
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600446
P. Sukkhawatchani, W. Usaha
{"title":"Performance evaluation of anomaly detection in cellular core networks using self-organizing map","authors":"P. Sukkhawatchani, W. Usaha","doi":"10.1109/ECTICON.2008.4600446","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600446","url":null,"abstract":"One of the preconditions to guarantee the quality of service (QoS) of cellular mobile networks is the rapid and accurate detection of key performance index (KPI) anomalies. This paper applies a neural network algorithm called self-organizing map (SOM) to monitor traffic measurement anomalies collected from an actual cellular network service provider. Results show that the SOM algorithm is able to detect global anomalies as well as identify which KPIs of the core network are abnormal. These results suggest that SOM can indeed help facilitate human operation, making it easier, faster and more efficient for human to troubleshoot, optimize or correct the configuration of the core network.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"24 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":"115298059","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: 22
Computer-aided analysis of nuclear stained breast cancer cell images 核染色乳腺癌细胞图像的计算机辅助分析
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600476
P. Phukpattaranont, P. Boonyaphiphat
{"title":"Computer-aided analysis of nuclear stained breast cancer cell images","authors":"P. Phukpattaranont, P. Boonyaphiphat","doi":"10.1109/ECTICON.2008.4600476","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600476","url":null,"abstract":"This paper describes a computer-aided system for analyzing stained breast cancer cell images. The procedure for the analysis approach is composed of three steps. First, the cancer cells in the microscopic image are segmented based on neural network and mathematical morphology. Next, the features consisting of average values of L*; a*, b*, area and circularity ratio of each cell are extracted. Finally, the classification is operated using the Euclidean distance in CIELab color space. Results from our computer-aided analysis system show a promising solution to the traditional manual analysis. That is, the cancer cell is appropriately segmented. The classifications of segmented cell type based on the Euclidean distance in CIELab color space agree with visual inspection very well.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"1 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":"116048781","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
A modify technique to actively damp oscillation in the input LC filter of Three-phase PWM rectifier 一种主动抑制三相PWM整流器输入LC滤波器振荡的改进技术
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600605
K. Jaitrong, S. Phonsri, M. Kupimai
{"title":"A modify technique to actively damp oscillation in the input LC filter of Three-phase PWM rectifier","authors":"K. Jaitrong, S. Phonsri, M. Kupimai","doi":"10.1109/ECTICON.2008.4600605","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600605","url":null,"abstract":"This paper proposes a modify technique to actively damp oscillation in the input LC filter of a three-phase PWM rectifier. The oscillation in the LC input filter of a three-phase PWM rectifier is damped by controlling voltage across the filter inductor. The principle is based on controlling the switches such that the input current of the filter follows the reference sine wave which is in-phase with the voltage to improve the power factor. The simulation results show that the proposed method can reduce current and voltage harmonic distortion at the point of common coupling and improve the power factor.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"39 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":"125456723","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
Performance improvement of broad-beam quadratic reflector antenna 宽波束二次反射面天线的性能改进
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600432
V. Thaivirot, R. Wongsan
{"title":"Performance improvement of broad-beam quadratic reflector antenna","authors":"V. Thaivirot, R. Wongsan","doi":"10.1109/ECTICON.2008.4600432","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600432","url":null,"abstract":"This paper aims performance improvement of quadratic-shaped reflector antenna by using backscattering technique to achieve efficient coverage of service areas. Physical theory of diffraction (PTD) is applied to calculate the radiation characteristics of proposed reflector antenna. The optimized feed distance is calculated from the aperture efficiency and has investigated the influence of the feed position on the HPBW, coverage area, and gain performance. The quadratic reflector antenna prototype is designed and developed to confirm the validity of this approach. The maximum gain and HPBW was measured in satisfactory agreement with the numerical predictions provided by the PTD.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"9 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":"125805251","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
Rice yield prediction using a Support Vector Regression method 水稻产量预测的支持向量回归方法
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600365
R. Jaikla, S. Auephanwiriyakul, A. Jintrawet
{"title":"Rice yield prediction using a Support Vector Regression method","authors":"R. Jaikla, S. Auephanwiriyakul, A. Jintrawet","doi":"10.1109/ECTICON.2008.4600365","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600365","url":null,"abstract":"Rice yield prediction is the procedure to predict the rice grain weight. The objectives of the procedure are finding out whether the location is appropriate to grow rice, and reducing any risk in the investment of rice yield production. There were many researchers trying to find the precise results of rice yield prediction, however, the proposed methods are complicated and unique. This paper, therefore, is aimed to develop rice yield prediction procedure using the Support Vector Regression method (SVR), one of the most widely used techniques in data prediction. The prediction method in this paper is divided into 3 phases, i.e., soil nitrogen prediction, rice stem weight prediction and rice grain weight prediction. We compare the results with the commercial software, i.e., DSSAT4 program implementing Crop Simulation Model (CSM-Rice simulation model). The results indicate that our method is comparable with that of the CSM-Rice simulation model. The error from our model is also in the acceptable range.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"12 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":"127192190","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: 24
An improved single-phase inverter for small PV-system using soft-switching technique 采用软开关技术的小型光伏系统单相逆变器的改进
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600600
D. Amorndechaphon, S. Premrudeepreechacharn
{"title":"An improved single-phase inverter for small PV-system using soft-switching technique","authors":"D. Amorndechaphon, S. Premrudeepreechacharn","doi":"10.1109/ECTICON.2008.4600600","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600600","url":null,"abstract":"In order to increase the conversion efficiency of a PV system, a high-efficiency PV power inverter with simple control methodology is required. To satisfy this requirement, an improved single-phase inverter using soft-switching technique is proposed. The proposed power inverter circuit is composed of a ZVT-PWM boost dc-dc converter and a LLCC resonant inverter. The dc-link voltage amplitude is controlled by ZVT-PWM boost dc-dc converter with soft-switching transition. The stable sinusoid ac output voltage is inverted from dc-link voltage via a LLCC resonant inverter. The effectiveness of the proposed inverter for small PV system is verified by simulation results.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"76 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":"123637225","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
Modular learning laboratory of AC servo drive 交流伺服驱动模块化学习实验室
2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2008-05-14 DOI: 10.1109/ECTICON.2008.4600617
C. Yumun, M. Konghirun, K. Tungpimolrut
{"title":"Modular learning laboratory of AC servo drive","authors":"C. Yumun, M. Konghirun, K. Tungpimolrut","doi":"10.1109/ECTICON.2008.4600617","DOIUrl":"https://doi.org/10.1109/ECTICON.2008.4600617","url":null,"abstract":"This paper presents an implementation of learning laboratory of AC servo drive using the eZdsptrade F2812 digital signal processor (DSP) for undergraduate senior students. Since the electric motor drive is an interdisciplinary course, the students need to sufficiently know several backgrounds such as machines, digital control system, programming, and power electronics. Therefore, the learning laboratory is intended to design both hardware and software as modules. So students would easily learn the hardware implementation of overall system circuit by circuit. Similarly, codes of each functional block are well defined and written by using object oriented programming (OOP) concept. As a result, students can clearly understand the complex control of permanent magnet synchronous motor (PMSM) using quadrature encoder pulse (QEP), known as AC servo drive. In this paper, the details of modular hardware and software aspects will be presented along with the experimental results.","PeriodicalId":176588,"journal":{"name":"2008 5th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"7 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":"121814279","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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