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

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CPW-fed dual wideband using stub split-ring rectangular slot antenna 采用短节分环矩形槽天线的cpw馈电双宽带
S. Pimpol, R. Wongsan
{"title":"CPW-fed dual wideband using stub split-ring rectangular slot antenna","authors":"S. Pimpol, R. Wongsan","doi":"10.1109/ECTICON.2013.6559524","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559524","url":null,"abstract":"This paper presents the design and experimental of dual wideband coplanar waveguide (CPW)-fed using stub split-ring rectangular slot antenna operates in WLAN applications. This antenna is designed for dual frequency used in WLAN system coverage IEEE 802.11b/g (2.4-2.4835 GHz) and IEEE 802.11a (5.15-5.35 GHz). The results of the return loss (S11), gain and radiation pattern of the proposed antenna have been simulated by using antenna analysis software IE3D program. The transmission line and ground plane have been designed to be on the same plane with antenna slot to be applicable for wideband operation. It is found that the proposed antenna is accessible to bandwidth about 40% and 15.47% at frequency range 2-3 GHz and 4.71-5.5 GHz, respectively. Measured maximum gains were approximately 6.74 dBi and 7.01 dBi for 2.45 GHz, 5.2 GHz band, respectively. Finally, simulation and measurement results for the design example are presented and a conclusion follows.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124947573","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: 7
A comparative study on different techniques for Thai part-of-speech tagging 泰语词性标注技术的比较研究
J. Pailai, R. Kongkachandra, T. Supnithi, P. Boonkwan
{"title":"A comparative study on different techniques for Thai part-of-speech tagging","authors":"J. Pailai, R. Kongkachandra, T. Supnithi, P. Boonkwan","doi":"10.1109/ECTICON.2013.6559527","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559527","url":null,"abstract":"The natural language processing (NLP) for Thai language is rather complicated using in the real tasks because it has a complex sequential structure of the sentence. The POS tagging can improve the accuracy of syntactic analysis so it can support the improvement of many NLP tasks. We present the supervised machine learning that is suitable for annotate the POS type for Thai language by comparison between the Support Vector Machine (SVM) and the Conditional Random Fields (CRFs). The BEST 2012 News and Entertainments corpus is utilized in our experiments. However, the sequential characteristic of Thai language is the interesting point and we use it as our feature in training set. Our sequential features contain forward 3-gram, backward 3-gram and 5-gram. The best accuracy of our experiments is 93.638% from SVMs POS tagging that learning by word of forward 3-gram when the size of training data is ten thousand tokens. Moreover, with the same training data, the best accuracy of CRFs is very close with SVM that is 93.254% when the learning form is the word with POS of 5-gram.","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":"2013-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127459222","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
Aggregating method of induction motor group using energy conservation law 基于能量守恒定律的感应电机群聚集方法
P. Aree
{"title":"Aggregating method of induction motor group using energy conservation law","authors":"P. Aree","doi":"10.1109/ECTICON.2013.6559506","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559506","url":null,"abstract":"This paper proposes a simple method for aggregating a group of induction motors, which are connected at the same bus. The parameters of aggregate motor are derived using a technique based on energy conservation law. An accuracy of the aggregate model of multiple motors is verified by comparing dynamic responses obtained from the sum of individual motor and the aggregate motor. The obtained results are satisfactory.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"412 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":"124403102","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
Variable block-size based fractal coding for multi-view video coding 基于可变块大小的分形编码用于多视点视频编码
Narasak Boonthep, W. Chiracharit, K. Chamnongthai
{"title":"Variable block-size based fractal coding for multi-view video coding","authors":"Narasak Boonthep, W. Chiracharit, K. Chamnongthai","doi":"10.1109/ECTICON.2013.6559512","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559512","url":null,"abstract":"Multi-view video consists of a set of multiple video sequences from multiple viewpoints or view directions in the same scene. It contains extremely a large amount of data and some extra information to be stored or transmitted to the user and computational complexity of processing. This paper proposes fast disparity and motion estimation for reduce complexity, to solve the redundancy reduction problem by considering the information of regions, and set up priority among region based on information in the pre-processing. The proposed method makes some changes to the conventional fractal-based video coding method which vary block partition depends on priory region. Experimental results show that the proposed method can reduce the encoding time, so that the encoder complexity can be reduced but achieves almost the same compression quality. The encoding time is reduced up to 25.4%.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"27 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":"121345889","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
Agent based task specific team formation for effective distributed decision making 基于Agent的任务特定团队形成,实现有效的分布式决策
Arambam James Singh, S. Acharya, Animesh Dutta
{"title":"Agent based task specific team formation for effective distributed decision making","authors":"Arambam James Singh, S. Acharya, Animesh Dutta","doi":"10.1109/ECTICON.2013.6559568","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559568","url":null,"abstract":"Getting solution of a problem by group discussion is more reliable than getting solution from a single entity. To increase reliability of the solution, efficient group of experts should be formed. Here in this paper we have proposed a methodology for finding efficient team of experts for solution of a given problem collaboratively. The methodology is conceptualized with the notion of Multiagent system. We have considered several factors like Cardinality of team, ability, willingness, trust and reciprocality of an agent in order to construct the team. We have also proposed an optimization function which will be used to choose most eligible agents to form the team of experts.","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":"125827730","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
Investigation of small electrical resistance of NiTi shape memory alloys in the application of damage detection NiTi形状记忆合金小电阻在损伤检测中的应用研究
Chatchai Chatwaranon, S. Wongsa, Taywin Buasri, A. Khantachawana
{"title":"Investigation of small electrical resistance of NiTi shape memory alloys in the application of damage detection","authors":"Chatchai Chatwaranon, S. Wongsa, Taywin Buasri, A. Khantachawana","doi":"10.1109/ECTICON.2013.6559648","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559648","url":null,"abstract":"Applications of shape memory alloys (SMAs) as damage sensors have been widely studied in structural health monitoring. Monitoring a significant change in electrical resistance of SMAs can indicate the phase transformation of SMAs. The possibility of using the electrical resistance of SMAs as an indicator of damage in the materials has been investigated. We continuously monitored the behaviour of electrical resistance, as well as the strain, under the tensile test which is used as the simulated crack propagation. Wavelet transform were used to extract the trend of the noisy electrical resistance raw data, measured by the four-point-probe technique. We determined that the electrical resistance variation of the SMA wire is correlated with the strain and can possibly be used in damage detection stage.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"109 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":"125848700","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
Hardware amount evaluation of the improved WEP on an FPGA 改进的WEP在FPGA上的硬件量评估
Tomoaki Sato, P. Moungnoul
{"title":"Hardware amount evaluation of the improved WEP on an FPGA","authors":"Tomoaki Sato, P. Moungnoul","doi":"10.1109/ECTICON.2013.6559629","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559629","url":null,"abstract":"The spread of smart phones means the traffic capacity stringent of mobile communications. One way of solving the problem of traffic capacity is the use of a Wi-Fi hotspot. The majority of Wi-Fi hotspots are used WEP (Wired Equivalent Privacy) as a cipher. Nevertheless, the method of deciphering WEP has already been clarified. Some deciphering programs can execute deciphering of WEP in several seconds. To solve this problem, an improved WEP has been proposed. The features of the improved WEP are a compatible algorithm with WEP and strengthening of cipher strength. The improved WEP algorithm has been evaluated only on software and has not been implemented on hardware. On the other hand, ciphers for a WiFi LAN are implemented on an FPGA (Field-Programmable Gate Array) as well as a system LSI and is used in various devices. Additionally, it is important that the size of the processing unit is small. In this paper, the improved WEP is implemented on an FPGA. Then, the number of elements and registers of the improved WEP is compared with that of a conventional WEP. As a result, it is shown that hardware amount of the improved WEP hardly increases. Besides, it is proposed that a method to increase the cipher strength of the improved WEP by utilizing the characteristics of an FPGA and wave-pipelining.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"37 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":"125381494","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
Design of fractional conversion ratio SC DC-DC converters 分数转换比SC DC-DC转换器的设计
S. Pongswatd, Krit Smerpituk, P. Julsereewong, K. Eguchi, H. Sasaki
{"title":"Design of fractional conversion ratio SC DC-DC converters","authors":"S. Pongswatd, Krit Smerpituk, P. Julsereewong, K. Eguchi, H. Sasaki","doi":"10.1109/ECTICON.2013.6559479","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559479","url":null,"abstract":"This paper presents the switched-capacitor (SC) circuit structure whose design conversion ratio is fraction multiple. The proposed converters can step up or step down the input voltage and bidirectional power flow by using dual converters connected. The 2x and 1/2x fraction conversion ratio is specified as a case study. The characteristics of the proposed converters are clarified by theoretical analyses. In addition, the simulation and experimental show the validity of circuit design, where theoretical results correspond well with simulation and experimental results. The proposed converters will be useful for battery charger, battery equalizer and dc power transfer.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"73 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":"114934042","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 novel resonant LLC soft-switching inverting-buck converter 一种新型谐振LLC软开关反压变换器
M. Jabbari, Nahid Hematian Najafabadi, G. Shahgholian, M. Mahdavian
{"title":"A novel resonant LLC soft-switching inverting-buck converter","authors":"M. Jabbari, Nahid Hematian Najafabadi, G. Shahgholian, M. Mahdavian","doi":"10.1109/ECTICON.2013.6559655","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559655","url":null,"abstract":"A new soft-switching resonant inverting-buck converter with high efficiency is presented. The proposed converter steps down and inverts the input voltage. The zero-current-switching (ZCS) technique is employed to reduce switching losses and Electromagnetic Interferences (EMI). An LLC resonant network is utilized to provide soft-switching conditions for all semiconductor devices. Experimental results verify the integrity of the proposed converter operation and the presented theoretical analysis.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"5 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":"115998107","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
Multi-channel Collection Tree Protocol for Wireless Sensor Networks 无线传感器网络的多通道采集树协议
Chondilok Buengbon, C. Tanwongvarl, S. Chantaraskul
{"title":"Multi-channel Collection Tree Protocol for Wireless Sensor Networks","authors":"Chondilok Buengbon, C. Tanwongvarl, S. Chantaraskul","doi":"10.1109/ECTICON.2013.6559636","DOIUrl":"https://doi.org/10.1109/ECTICON.2013.6559636","url":null,"abstract":"Interference is one of the major factors influencing system performance of Wireless Sensor Networks (WSNs). This issue needs a serious attention, since WSNs are typically operating on the shared and unlicensed spectrum band. In other words, interference may not be controllable especially under the coexistence of devices operating with different standards within the same area. Collection Tree Protocol (CTP) is a routing protocol that is able to support large scale WSNs. With its ability, low level interference can be overcome by the routing process. This paper proposed an adaptation of CTP, so called multi-channel CTP, which provides higher system tolerance to the interference by allowing the multiple channel usage on top of the routing ability. The proposed system is evaluated via system level simulation and the results show the system performance enhancement under severe interference scenario in comparison with the traditional CTP.","PeriodicalId":273802,"journal":{"name":"2013 10th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":" 19","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114051208","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
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