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The smart distribution of social media contents 社交媒体内容的智能分发
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925834
T. Banditwattanawong, Masawee Masdisornchote, P. Uthayopas
{"title":"The smart distribution of social media contents","authors":"T. Banditwattanawong, Masawee Masdisornchote, P. Uthayopas","doi":"10.1109/IEECON.2014.6925834","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925834","url":null,"abstract":"Today's data such as social media contents and archive of digital contents gathered via ubiquitous devices have been hosted on cloud and being shared in a distribution manner. This causes network link congestions, delayed cloud services and increases in public cloud data-out charges. Simulations have demonstrated that deploying our approach, i-Cloud, as the core mechanism of cloud cache could alleviate these problems up to 17.24% byte-hit and cost-saving, 17.96% delay-saving and 29.33% cache hit outperforming the other well-known approaches. A main finding was that there is no significant performance difference between i-Cloud learning single-user-community patterns and i-Cloud learning cross-user-community patterns of comparable sizes.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130621863","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
FPGA-based hardware/software implementation for MIMO wireless communications 基于fpga的MIMO无线通信硬件/软件实现
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925928
Korkeart Boonyi, J. Tagapanij, A. Boonpoonga
{"title":"FPGA-based hardware/software implementation for MIMO wireless communications","authors":"Korkeart Boonyi, J. Tagapanij, A. Boonpoonga","doi":"10.1109/IEECON.2014.6925928","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925928","url":null,"abstract":"This paper proposes an efficient architecture for FPGA implementation of MGS-QRD in MIMO wireless communication systems. The proposed architecture is based on the Hardware/Software (HW/SW) design. To achieve the efficient architecture, the systolic architecture is applied to MGS-QRD and then the conventional QR triangular array of (2m2+2m+1) cells onto a linear architecture of m+1 cell is employed to reduce the number of required QR processors. The reduced cells are constructed with a number of basic processing elements such as multipliers and adders etc. The basic elements are constructed by HW architectures. The SW of PowerPC core is used to control to achieve the QR decomposition. In this paper, utilization resource and operation performance in term of equivalent gates and operating cycles are shown.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130776716","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
Transformerless distribution voltage restorer using diode-clamped three-level converter 采用二极管箝位三电平变换器的无变压器配电电压恢复器
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925922
Wuthikrai Chankhamrian, K. Bhumkittipich, N. Phankong
{"title":"Transformerless distribution voltage restorer using diode-clamped three-level converter","authors":"Wuthikrai Chankhamrian, K. Bhumkittipich, N. Phankong","doi":"10.1109/IEECON.2014.6925922","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925922","url":null,"abstract":"This paper presents development distribution voltage restorer (DVR) using three-level diode-clamped converter for creating voltage to compensate using power electronics switching device. Converter is controlled the injection voltage by using voltage regulations without transformer connected to the power system. Low-pass filter is used to filter harmonics voltage signal and reduce voltage signal distortion. Simulation and experimental results show the effectiveness of the proposed DVR that the output voltage waveform of three-level diode-clamped converter has a signal distortion less than output voltage waveform of original two-level converter. The experimental results also showed that the DVR can increase the system efficiency and be able to compensate the voltage more than 0.1 second.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129497134","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
Imputing missing values in Collaborative Filtering using pattern frequent itemsets 基于模式频繁项集的协同过滤缺失值输入
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925873
Pasapitch Chujai, U. Suksawatchon, Suwanna Rasmequan, J. Suksawatchon
{"title":"Imputing missing values in Collaborative Filtering using pattern frequent itemsets","authors":"Pasapitch Chujai, U. Suksawatchon, Suwanna Rasmequan, J. Suksawatchon","doi":"10.1109/IEECON.2014.6925873","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925873","url":null,"abstract":"Lately, recommendation system has an important role in providing advice on products and services to match the various requirements of users. The popular method for developing recommender system is Collaborative Filtering. This method will search for other users in the systems that are interested by the same or similar items. With this method, users need not to know each other. The system will then suggest choices of other users that might be interested by the current user. However this technique is not work well with scarce data. This problem is known as the sparsity problem. Therefore, we propose to modify Collaborative Filtering using frequent itemsets by imputing the missing value. According to experimental results, the proposed method can properly fill up the missing values and improve the accuracy of recommendations to users with MAE of 0.55 with the neighborhood size of 30.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132214162","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 heat management model of 6,000 lumen LED worklamp using integrated SEPIC drivers 集成SEPIC驱动的6000流明LED工作灯热管理模型设计
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925874
Chaiyant Thungod, Apicha Tuptimkaew, Manrat Rattanachan, S. Buaban, Darinee Loakhen, Phatsaphon Wansungnoen, Pramote Pattanapongthong, W. Khan-ngern
{"title":"Design of heat management model of 6,000 lumen LED worklamp using integrated SEPIC drivers","authors":"Chaiyant Thungod, Apicha Tuptimkaew, Manrat Rattanachan, S. Buaban, Darinee Loakhen, Phatsaphon Wansungnoen, Pramote Pattanapongthong, W. Khan-ngern","doi":"10.1109/IEECON.2014.6925874","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925874","url":null,"abstract":"This paper presents the design of heat transfer on integrated heatsink for 6000 lm worklamp. The integrated driver using DC-DC Single-ended primary-inductor converter (SEPIC) converts 9 V - 36 V to 15 V 2A for 2 sets attaches to the heatsink as the housing of the lamp. Each set of drivers consumes 30 watt for 3000 lm fitted with a very compact sizing and complied with IP 67 requirements. The high performance SEPIC converter is proposed and achieved at 83.79% concerned with the primary source of the heat management train. The proposed design model shows a heat management model to maintain a long run operating temperature at 60 °C ambient temperature. The EMC issue based on the radiated emission was proved to comply with international standards. This work can be applied in building, field-yard, security area and automotive for both local and worldwide market.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134053791","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
Dynamic compensation and control of a bicycle robot 自行车机器人的动态补偿与控制
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925851
A. Suebsomran
{"title":"Dynamic compensation and control of a bicycle robot","authors":"A. Suebsomran","doi":"10.1109/IEECON.2014.6925851","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925851","url":null,"abstract":"This research presents the dynamic compensation and balancing control of a bicycle robot. Due to unstable system, balancing control of a bicycle robot or unmanned vehicle system desires to enforce the system stabilization. Using gyroscopic effect principle for balancing control, system is designed by applying the principle of mechanical fly wheels to produce the torque effort. Mechanical fly wheel is composed of a couple of two rigid mechanical fly wheels, and rotated about fixed reference axis that produces the angular momentum. When angle of rotated fly wheels are changed according to lean angle error, the precession torque is produced to compensating lean angle of bicycle robot dynamically. Dynamic equation of motion is derived from Lagrange's equation in according to both balancing and steering control methods. To controlling the desired lean angle, an error derived from the lean angle deviation is controlled proportionally to angular rotation of fly wheels by using PD controller. Simulation study is verified to finding the relationships of disc angular velocity and angle of rotated disc in different angular momentum. From simulation results, torque can be produced by mechanical fly wheels to compensating robot balancing control and planed for experiment for performance validation in the next step.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132508523","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
Evaluations of waved-shift registers for the multiplexed bus 多路总线的波移寄存器的评估
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925898
Tomoaki Sato, P. Moungnoul, S. Chivapreecha, Kohji Higuchi
{"title":"Evaluations of waved-shift registers for the multiplexed bus","authors":"Tomoaki Sato, P. Moungnoul, S. Chivapreecha, Kohji Higuchi","doi":"10.1109/IEECON.2014.6925898","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925898","url":null,"abstract":"In this Paper, waved-shift registers for the multiplexed bus are developed and evaluated. The multiplexed bus is needed for HIPS (Host-based Intrusion Prevention System) in 4G mobile communications. Because an FPGA (Field-Programmable Gate Array) has been used for the multiplexed bus, there is a problem where it doesn't work at over 1 GHz. Then, the use of the FPGA leads to increase in power consumption. In this work, by using 180 nm C-MOS (Complementary Metal-Oxide Semiconductor) technology, waved-shift registers necessary for the multiplexed bus are developed. Furthermore, the comparative evaluations of the waved-shift registers are executed by using the conventional shift register that operates at 2GHz. As a result, the waved-shift registers are revealed to have surpassed all the points of throughput, power consumption and area.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115343342","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
Power balancing in multilevel inverter using Space Vector Modulation 基于空间矢量调制的多电平逆变器功率平衡
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925904
V. Sharma, Mukesh Kumar, Ankit Gupta, K. Gupta
{"title":"Power balancing in multilevel inverter using Space Vector Modulation","authors":"V. Sharma, Mukesh Kumar, Ankit Gupta, K. Gupta","doi":"10.1109/IEECON.2014.6925904","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925904","url":null,"abstract":"This paper presents a unique feed-forward Space Vector Modulation control scheme for achieving power balancing in a recently proposed multilevel inverter topology. Moreover, this strategy can be extended to any type of multilevel inverter topology and to any number of output levels of multilevel inverter (MLI). A comparison is made between the power delivered by sources with and without applying proposed strategy.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123885001","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
Diagnosis and interpretation of dental X-ray in case of deciduous tooth extraction decision in children using active contour model and J48 tree 活动轮廓模型与J48树在儿童乳牙拔除决策中的牙x线诊断与解释
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925902
Juthamas Nuansanong, S. Kiattisin, A. Leelasantitham
{"title":"Diagnosis and interpretation of dental X-ray in case of deciduous tooth extraction decision in children using active contour model and J48 tree","authors":"Juthamas Nuansanong, S. Kiattisin, A. Leelasantitham","doi":"10.1109/IEECON.2014.6925902","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925902","url":null,"abstract":"Normally, children suffer from a tooth eruption because their permanent teeth do not push their ways through the gums; therefore, dentist will need to diagnose dental X-ray image based on characteristics of the gap between deciduous teeth and permanent teeth. This paper proposes image processing based on Active Contour Model and data mining for analyzing the ratio of teeth's gap area. In addition, the experiment relates to medical knowledge so as to evaluate the treatment. The results show that the ratio of teeth's gap area in a case of extraction is 20 ± 5 and tooth extraction decision in expert's way is 78 ± 7%. In a case of no extraction, the ratio of teeth's gap area is 40 ± 4.5 and tooth extraction decision in expert's way is 60 ± 6%. Therefore, if the teeth's gap area between the deciduous teeth and the permanent teeth is small, then an occasion of the tooth extraction will be higher. The decision to retain or extract a questionable tooth is one that occurs frequently in dental practice. There are many factors to consider when making this decision. Some cases are very straightforward while others fall into an unclear area of decision-making. This proposed method creates the decision model supported for the dental tooth extraction using J48 tree, and the accuracy is approximately at 98%.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123979400","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
Enhancement of classification performance of an electronic nose using short-time Fourier transform 短时傅里叶变换增强电子鼻的分类性能
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925926
N. Nimsuk
{"title":"Enhancement of classification performance of an electronic nose using short-time Fourier transform","authors":"N. Nimsuk","doi":"10.1109/IEECON.2014.6925926","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925926","url":null,"abstract":"This paper describes a method for enhancing classification performance of an electronic nose (E-nose) when measuring odors or flavors in ambient air. The method introduces short-time Fourier transform (STFT) to analyze the frequency characteristic of sensor response. The response of a gas sensor when exposed to an odor in ambient air, which is not in a closed system such as a chamber or sample headspace, is usually fluctuating due to odor concentration change caused by wind. The feature vectors of odor samples are created by using properly-selected frequency components. The results of principal component analysis (PCA) to the feature vectors indicate that the proposed feature extraction method can enhance the odor classification performance of electronic nose when used for measuring odors in ambient air.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124216133","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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