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Adaptive multi-channel CTP for Wireless Sensor Networks 无线传感器网络的自适应多通道CTP
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925917
Aitthiwat Phokaew, C. Tanwongvarl, S. Chantaraskul
{"title":"Adaptive multi-channel CTP for Wireless Sensor Networks","authors":"Aitthiwat Phokaew, C. Tanwongvarl, S. Chantaraskul","doi":"10.1109/IEECON.2014.6925917","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925917","url":null,"abstract":"Interference is one of the major problems in Wireless Sensor Networks (WSNs). Since WSNs are typically operating on the shared and unlicensed spectrum band, interference may not be controllable especially under the coexistence of devices in different wireless networking standards operating in 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. Proposed algorithm in this paper uses an advantage of a traditional CTP with the adaptation of CTP, so called multi-channel CTP [1] in large scale WSNs along with our proposed enhancement scheme, which integrates intelligent decision making engine. The overall system provides the solution to detect an area of interference that affects the system and makes decision on suitable mechanism according to the current interference scale i.e. rerouting or channel switching method. The proposed system is evaluated via system level simulation and results show the system performance enhancement under severe interference scenario in comparison with the traditional CTP and the multi-channel CTP.","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":"123464392","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 comparative study of dielectric materials as nano-plasmonic couplers 介质材料作为纳米等离子体耦合器的比较研究
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925867
M. G. Saber, R. H. Sagor
{"title":"A comparative study of dielectric materials as nano-plasmonic couplers","authors":"M. G. Saber, R. H. Sagor","doi":"10.1109/IEECON.2014.6925867","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925867","url":null,"abstract":"We present a novel ultra-compact nano-plasmonic coupler using aluminum gallium arsenide (AlGaAs) and silicon-germanium alloy (Si-Ge) as the coupling dielectric materials. The performance of these two materials has been analyzed using the finite-difference time-domain (FDTD) method. The parameters that we have analyzed are coupling efficiency, reflection coefficient, return loss and mismatch loss. At telecom wavelength an efficiency of 51% has been achieved when AlGaAs is used as the dielectric while for Si-Ge it is 48%. The presented structure also provides advantage in the fabrication process since it is a rectangular shaped waveguide having no tapering. The coupler can operate at a broad range of input signal wavelengths.","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":"124804901","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
Coordinated voltage control between wind power plant and shunt capacitors in weak distribution networks 弱配电网中风电场与并联电容器的协调电压控制
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925892
P. Pachanapan, S. Premrudeepreechacharn
{"title":"Coordinated voltage control between wind power plant and shunt capacitors in weak distribution networks","authors":"P. Pachanapan, S. Premrudeepreechacharn","doi":"10.1109/IEECON.2014.6925892","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925892","url":null,"abstract":"The modern wind turbine, integrated with a power converter, can provide the decentralised voltage control similar to the power conditioner. The coordinated manner is implemented to manage the active and reactive powers support from wind power plant and the operating of shunt capacitor, to deal with either short- or long-term voltage variations in the weak distribution networks. The voltage control performances are demonstrated under various operating scenarios using the test system implemented in DIgSILENT PowerFactory.","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":"128375452","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
Study on surface wave contribution on material coated PEC with discontinuity 表面波对不连续PEC涂层材料的贡献研究
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925953
Montree Saowadee, T. Lertwiriyaprapa
{"title":"Study on surface wave contribution on material coated PEC with discontinuity","authors":"Montree Saowadee, T. Lertwiriyaprapa","doi":"10.1109/IEECON.2014.6925953","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925953","url":null,"abstract":"This paper presents a study on surface wave contribution on a material coated with a discontinuity. The spectral integral is heuristically constructed from Weiner-Hopf (W-H) solution based on impedance surface. The heuristic spectral is also modified so that the spectral can be treated the material coated with some thickness. This leads one to obtain the exact surface wave pole from exact Fresnel reflection coefficient. The surface wave contribution is rigorously extracted from modified heuristic spectral integral by using residue theorem. It is found that this surface wave is excited from diffracted field at the discontinuity. This work shows that how can we rigorously obtain the surface wave contribution from the modified heuristic solution. This will enlighten one to be able to understand the surface wave behaviors on any material coated with discontinuity.","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":"125149060","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
Multiple objects monitoring based on 3D information from multiple cameras 基于来自多个摄像头的3D信息的多个对象监控
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925888
Thun Chitmaitredejsakul, S. Marukatat, S. Thiemjarus, Gun Srijuntongsiri
{"title":"Multiple objects monitoring based on 3D information from multiple cameras","authors":"Thun Chitmaitredejsakul, S. Marukatat, S. Thiemjarus, Gun Srijuntongsiri","doi":"10.1109/IEECON.2014.6925888","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925888","url":null,"abstract":"This paper presents an approach for monitoring multiple objects in a room using multiple cameras. The proposed system tracks the objects when they have been picked and placed to a new location in the room. In this approach, a 3D room model is used to analyze the human position as well as targeted objects in the room. The system consists of several modules, namely, 3D room model initialization, foreground extraction, human detection and removal, object detection, object monitoring and management, and background modeling. Experimental results show that the proposed system can accurately monitor objects with reasonable time delay. The limitation and the encountered issues are also reported and discussed.","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":"125397363","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
Dominant pole-placement and extra conjugate-pole assignment with the PID controller 利用PID控制器进行主极点配置和外加共轭极点配置
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925895
Wirote Sangtungtong, Soontaree Seangsri, S. Sujitjorn
{"title":"Dominant pole-placement and extra conjugate-pole assignment with the PID controller","authors":"Wirote Sangtungtong, Soontaree Seangsri, S. Sujitjorn","doi":"10.1109/IEECON.2014.6925895","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925895","url":null,"abstract":"This article concentrates on the progression from the recent guaranteed dominant-pole placement method to the additional pole-assignment for any of other poles so that the performance-index of the closed-loop response becomes less or minimum as possible and the response performance remains within the preset requirements. Generally the pole assignment offers an extra pair of conjugate poles at two definite points on the left half-side of the s-plane. One type of the benchmark plants is regulated by the PID controller which its three gains are provided through both these pole placement and assignment methods. The polynomial equation will be proposed to establish its roots as the existence or absence of such a pair of conjugate poles. When compared to another example ignoring the requirements, the closed-loop response will be enhanced if these conjugate poles are recognized. Without a pair of them, the response with performance nearer to the requirements will be preferred.","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":"117083389","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
Behavior of unbalance electric vehicle home charging in distribution system 配电系统中不平衡电动汽车家庭充电行为
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925930
P. Kongthong, Sanchai Dechanupapritta
{"title":"Behavior of unbalance electric vehicle home charging in distribution system","authors":"P. Kongthong, Sanchai Dechanupapritta","doi":"10.1109/IEECON.2014.6925930","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925930","url":null,"abstract":"This paper presents the behavior of electric vehicle home charging in distribution system. Since a different charging duration, which depends on behavior and usability of an individual, the 22-kV distribution system voltage could become unbalance and consequently, exceeding the values specified in IEC 61000-2-4:2000-06 standard. From the example loads in the circuit number 4 at HuaHin 3 Substation located in HuaHin district, PrachuapKhiriKhan Province, has been simulated by DIgSILENT PowerFactory to study the relationships among input powers of electric vehicle charging at home, in the phase characteristics of the slope and different duration of each phase of the charging starts and the percentage of voltage unbalance in distribution systems. The results can be used to assess the behavior and impact contributing to the system, troubleshooting and supporting the rise of electric vehicles in the future.","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":"114895212","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
Robot system for rehabilitation of wrist using bilateral control base on disturbance observer 基于干扰观测器的双侧控制腕部康复机器人系统
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.7088531
Saran Jarudamrongsak, C. Mitsantisuk, P. Bunnun, Y. Koike
{"title":"Robot system for rehabilitation of wrist using bilateral control base on disturbance observer","authors":"Saran Jarudamrongsak, C. Mitsantisuk, P. Bunnun, Y. Koike","doi":"10.1109/IEECON.2014.7088531","DOIUrl":"https://doi.org/10.1109/IEECON.2014.7088531","url":null,"abstract":"In recent years, rehabilitation technology has been widely researched in order to help stroke patient recovery. In this research, a new wrist robot assistive system has been proposed by using bilateral control system based on disturbance observer. The proposed wrist robot assistive system consists of master and slave robot. The bilateral control supplies interaction force feedback information of rehabilitation training through a master robot of the physician. On the other hand, a slave robot is applied to interact with the patient. This paper also deals with the construction of disturbance observer to estimate external force between patient and physician. From the results, it is confirmed that the disturbance observer can be used instead of the real force sensor. By using the proposed bilateral controller, it is possible to provide a high transparency and good perception interaction force of assisting rehabilitation training. The simulation results are provided to illustrate the performance of the proposed algorithms.","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":"114352243","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
Model predictive control-based wind turbine blade pitch angle control for alleviation of frequency fluctuation in a smart grid 基于模型预测控制的智能电网风电叶片俯仰角控制
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925862
J. Pahasa, I. Ngamroo
{"title":"Model predictive control-based wind turbine blade pitch angle control for alleviation of frequency fluctuation in a smart grid","authors":"J. Pahasa, I. Ngamroo","doi":"10.1109/IEECON.2014.6925862","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925862","url":null,"abstract":"This paper proposes model predictive control (MPC) for wind turbine blade pitch angle control of a smart grid. The MPC is an effective model-based predictive control which calculates future control signals by optimization method using plant model, current and past signals of the system. The MPC-based blade pitch angle control is used for smoothing of wind power production of wind turbine generator. As a result, the frequency fluctuation in the smart grid system resulted from wind power deviation can be maintained. The simulation results performed in a two-area interconnected power system show that the MPCs-based blade pitch angle of wind turbine generator is capable to reduce frequency fluctuation on the study system.","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":"126764037","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
Bilateral filtering as a tool for image smoothing with edge preserving properties 双边滤波作为一种具有边缘保持特性的图像平滑工具
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925940
Sanun Srisuk
{"title":"Bilateral filtering as a tool for image smoothing with edge preserving properties","authors":"Sanun Srisuk","doi":"10.1109/IEECON.2014.6925940","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925940","url":null,"abstract":"In this paper, we give a review on Bilateral filtering as a tool for image smoothing with edge preserving properties. Bilateral filtering is a combination of domain and range filtering. Domain filtering measures the geometric closeness between the neighborhood center and nearby points. Therefore, domain filtering acts as a gaussian filtering. In range filtering, the similarity between two pixels are measured in which similar pixel values are weighted as a high influence while discarding dissimilar ones. We give a review on traditional bilateral filtering. We also describe a modified bilateral filtering based on fuzzy membership function, the fuzzy bilateral filtering. In fuzzy bilateral filtering, the skin is smoothed while maintaining the edges and non skin area, therefore, a more beautiful face image can be achieved. We will demonstrate some of its applications especially on skin smoothing.","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":"125652514","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
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