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2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology最新文献

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Generation unit commitment in microgrid with renewable generators and CHP 微电网中可再生能源发电机组和热电联产机组的承诺
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559661
Charnon Thammasorn
{"title":"Generation unit commitment in microgrid with renewable generators and CHP","authors":"Charnon Thammasorn","doi":"10.1109/ECTICON.2013.6559661","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559661","url":null,"abstract":"Nowadays, renewable energy play an important role to power system generation, the installation of renewable generators is increasing in distribution systems in the form of microgrid. Microgrid is able to increase efficiency of power generation. The fluctuation of renewable generators in microgrid affects to power quality and reliability in the power system. These problems can be solved by the installation of battery in microgrid. The proposed algorithms consist of correlation between solar irradiation and temperature model. The output power and useful heat can be calculated by steady state model. Generation unit commitment will be covered with combined heat and power (CRP) to increase fuel efficiency. Therefore, an appropriate battery capacity is investigated in this paper. Lead-acid battery is the proposed battery that used in this paper. The proposed algorithm has been tested with IEEE14 buses. Satisfactory results were obtained.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123384965","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
Indoor robot localization by RSSI/IMU sensor fusion RSSI/IMU传感器融合的室内机器人定位
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559517
V. Malyavej, Warapon Kumkeaw, M. Aorpimai
{"title":"Indoor robot localization by RSSI/IMU sensor fusion","authors":"V. Malyavej, Warapon Kumkeaw, M. Aorpimai","doi":"10.1109/ECTICON.2013.6559517","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559517","url":null,"abstract":"Localization is the crucial problem for mobile robot navigation. For indoor mobile robot, since a global positioning system (GPS) is incapable, another promising technique to detect the position is the received signal strength indicator (RSSI) from wireless communication. To improve the precision and robustness of mobile unit localization, an inertial measurement unit (IMU) is normally used. In this report, we propose the algorithm for mobile robot localization based on sensor fusion between RSSI from wireless local area network (WLAN) and an IMU. The proposed fusion scheme is based on the extended Kalman filter (EKF). The experiment is conducted by using mobile unit equipped with low-cost IMU and a wireless communication module together with access points to evaluate the performance of our algorithm, and the result is promising.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128073086","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: 61
Improving the efficiency of wireless power transfer systems using metamaterials 利用超材料提高无线电力传输系统的效率
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559537
Yan Zhao, Varut Vutipongsatorn, E. Leelarasmee
{"title":"Improving the efficiency of wireless power transfer systems using metamaterials","authors":"Yan Zhao, Varut Vutipongsatorn, E. Leelarasmee","doi":"10.1109/ECTICON.2013.6559537","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559537","url":null,"abstract":"The investigation of applying metamaterials in the efficiency enhancement for wireless power transfer (WPT) systems is presented in this paper. Three types of metamaterials are considered: the double negative material (DNG), the isotropic μ-negative material (IMNG), and the anisotropic μ-negative material (AMNG). Through the transmission analysis, it is found that evanescent wave components are amplified by the metamaterial slabs, and the amplification is the highest for AMNG due to the presence of resonances. Numerical simulations show that a threefold enhancement in efficiency can be achieved when an AMNG slab is used in the WPT system.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126003950","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: 14
Ultrasound b-scans image denoising via expectation maximization-based unsharp masking 基于期望最大化的非锐利掩蔽的超声b扫描图像去噪
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559540
Theerawit Wilaiprasitporn, C. Chinrungrueng, W. Asdornwised
{"title":"Ultrasound b-scans image denoising via expectation maximization-based unsharp masking","authors":"Theerawit Wilaiprasitporn, C. Chinrungrueng, W. Asdornwised","doi":"10.1109/ECTICON.2013.6559540","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559540","url":null,"abstract":"In this paper, we present an unsharp masking-based approach with subsequent bilateral filtering stage to noise smoothing of ultrasound (US) image. At our first processing stage, we propose image segmentation via EM to segregate two pixels populations instead of separating original image into the low- and high-frequency components. Our proposed method then enhances the edge by shifting the mean of the two pixels populations away from each other. This is similar to the conventional unsharp masking structure, except that the concept is reformulated and worked in probabilistic setting. At our second stage, we use bilateral filtering to attenuate the retained noise in the flat areas. Performance of synthetic and real clinical B-scan US images based on several dominant image quality measures, e.g., signal-to-noise ratio (SNR) and contrast-to-noise-ratio (CNR), is evaluated. The performance is improved over the conventional US image despeckling methods. The CNR-SNR performance tradeoff is also addressed here for the first time.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124154509","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
Design of a dual-band antenna using a patch and frequency selective surface for WLAN and WiMAX 采用贴片和频率选择表面的WLAN和WiMAX双频天线设计
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559631
K. Pengthaisong, P. Krachodnok, R. Wongsan
{"title":"Design of a dual-band antenna using a patch and frequency selective surface for WLAN and WiMAX","authors":"K. Pengthaisong, P. Krachodnok, R. Wongsan","doi":"10.1109/ECTICON.2013.6559631","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559631","url":null,"abstract":"This paper presents dual-band multiple U-slotted microstrip patch antenna and a design of multiple frequency selective surface (FSS). It is screens with dissimilar periodicities for bandwidth enhancement, which are regulated by IEEE 802.11b/g and IEEE 802.16a for WLAN and WiMAX applications, respectively. The maximum gain at the resonant frequency of 2.45 GHz and 3.5 GHz are 9.3 dB and 7.3 dB, respectively. After implanting the FSS in the U-slot patch antenna it is found that the bandwidths have been improved from 6.12% to 7.35 % and 3.7% to 5.7% at resonant frequencies 2.45 GHz and 3.5 GHz, respectively.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121872984","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: 18
Study of received signal strength indication in ZigBee location cluster for indoor localization 用于室内定位的ZigBee定位簇接收信号强度指示研究
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559612
K. Kaemarungsi, Rachasak Ranron, P. Pongsoon
{"title":"Study of received signal strength indication in ZigBee location cluster for indoor localization","authors":"K. Kaemarungsi, Rachasak Ranron, P. Pongsoon","doi":"10.1109/ECTICON.2013.6559612","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559612","url":null,"abstract":"This work focuses on the properties of received signal strength indication (RSSI) of ZigBee wireless sensor network, which can be used to implement indoor location system. The study collects a set of measurement samples in a closed room from an implementation of indoor localization application based on ZigBee Cluster Library (ZCL) framework. The measurement data are analyzed for their statistical parameters. The results are compared with the known properties of RSSI of wireless local area network reported in the literature. The insight of RSSI's properties obtained in this work could be used to improve the localization application using ZigBee wireless sensor network.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126444910","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: 33
UHF-RFID tag antenna with miniaturization techniques 采用微型化技术的超高频射频标签天线
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559513
N. M. Faudzi, M. Ali, I. Ismail, N. Ya'acob, H. Jumaat, N. Sukaimi
{"title":"UHF-RFID tag antenna with miniaturization techniques","authors":"N. M. Faudzi, M. Ali, I. Ismail, N. Ya'acob, H. Jumaat, N. Sukaimi","doi":"10.1109/ECTICON.2013.6559513","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559513","url":null,"abstract":"This paper presents the design of a compact UHF-RFID tag antenna with several miniaturization techniques including meandering technique and capacitive tip-loading structure. Additionally, T-matching technique is also utilized in the antenna design for impedance matching. This antenna was designed on Rogers 5880 printed circuit board (PCB) with the dimension of 43 × 26 × 0.787 mm3 and relative permittivity, □r of 2.2. The performance of the proposed antenna was analyzed in terms of matched impedance, antenna gain, return loss and tag reading range through the simulation in CST Microwave Studio software. As a result, the proposed antenna obtained a gain of 0.97dB and a maximum reading range of 5.15 m at 921 MHz.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"69 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120860061","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: 8
Signed-symmetric function approximation in affine arithmetic 仿射算法中的符号对称函数逼近
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559630
Prapeepat Uewichitrapochana, A. Surarerks
{"title":"Signed-symmetric function approximation in affine arithmetic","authors":"Prapeepat Uewichitrapochana, A. Surarerks","doi":"10.1109/ECTICON.2013.6559630","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559630","url":null,"abstract":"One major cause of the error explosion is the overestimation of a non-affine function introducing a new noise symbol term with non-minimum coefficient. This paper proposes theorems and its proofs to construct the best univariate affine approximation to a non-affine function in the exception case, Signed-symmetric function, that the existing theorem is not sufficient to determine the optimum one. And, as the result, it shows the use by evaluating the power function and approximating sine function.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129485271","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 PWM technique to minimize torque ripple in BLDC motor for low-cost applications 在低成本应用的无刷直流电机中减小转矩脉动的PWM技术
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559620
Srivichai Promthong, M. Konghirun
{"title":"A PWM technique to minimize torque ripple in BLDC motor for low-cost applications","authors":"Srivichai Promthong, M. Konghirun","doi":"10.1109/ECTICON.2013.6559620","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559620","url":null,"abstract":"This paper proposes a pulse-width modulation (PWM) technique for minimizing the torque ripple in BLDC motor. To reduce the torque ripple, the commutation interval time should be firstly known. The conventional methods of torque ripple reduction require parameters and commutation interval time computation which is sensitive to parameter variation. The proposed method is robust because the commutation interval time is mainly determined by measured terminal phase voltages. It is also low-cost scheme with minimum number of devices and not sensitive to motor parameters. The purposed method primarily computes the optimal duty ratio applied during commutation intervals to minimize the torque ripple. Both simulation and experimental results are presented to validate the proposed method, comparing with the conventional method.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133195991","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
Grid-connected photovoltaic generation system model considering inverter operating mode 考虑逆变器运行方式的并网光伏发电系统模型
2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology Pub Date : 2013-05-15 DOI: 10.1109/ECTICON.2013.6559608
Sinchai Tilaganon, S. Chaitusaney
{"title":"Grid-connected photovoltaic generation system model considering inverter operating mode","authors":"Sinchai Tilaganon, S. Chaitusaney","doi":"10.1109/ECTICON.2013.6559608","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559608","url":null,"abstract":"This paper presents a grid-connected photovoltaic generation system model by considering the operating mode of inverter. Firstly, a photovoltaic (PV) module modelling by estimating various parameters has to be evaluated. These parameters cannot be obtained from the technical datasheet. In addition, the parameters are given only for PV module. Therefore, this research has to expand the model from the module to be the array. Furthermore, the effects of irradiance and temperature affecting on PV cells are considered. The operating mode of inverter to the grid is also considered in this research. Finally, the simulation of installing a PV system into a power grid has been carried out.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133353687","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
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