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A Non-Isolated Double-Input High Voltage Gain DC-DC Converter with Reduced Normalized Voltage Stress 降低归一化电压应力的非隔离双输入高电压增益DC-DC变换器
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712238
S. Hosseini, E. Babaei, K. Varesi, M. Sabahi, S. Saeidabadi
{"title":"A Non-Isolated Double-Input High Voltage Gain DC-DC Converter with Reduced Normalized Voltage Stress","authors":"S. Hosseini, E. Babaei, K. Varesi, M. Sabahi, S. Saeidabadi","doi":"10.1109/IEECON.2018.8712238","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712238","url":null,"abstract":"This paper proposes a double-input high voltage gain topology for Non-Isolated Non-Coupled Inductor (NINCI) based de-de converters. The proposed topology is capable of producing high voltage gains, while the Normalized Voltage Stress (NVS) on the switches/diodes remain low. Simple structure, continuous input currents and also the low current ripple of input sources are the advantages of proposed topology. The low/medium power applications are suggested for the proposed topology. In this paper, different operational modes and also steady state analyses of proposed topology have been presented. To verify effectiveness of proposed topology, it has been modeled and simulated in PSCAD/EMTDC software. Simulation results validate efficient performance and suitability of proposed topology.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"22 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84757558","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
Electroluminescence of GaSb/GaAs Quantum Dots GaSb/GaAs量子点的电致发光
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712239
Maetee Kunrugsa
{"title":"Electroluminescence of GaSb/GaAs Quantum Dots","authors":"Maetee Kunrugsa","doi":"10.1109/IEECON.2018.8712239","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712239","url":null,"abstract":"GaSb/GaAs quantum dots (QDs) exhibit the type-II band alignment where the spatial separation between electron and hole wave functions occurs. The carrier recombination is subsequently low, and seems not to be appropriate for light-emitting applications. In this work, the numerical simulations of electroluminescence (EL) from the GaSb/GaAs QD light-emitting diode (LED) are performed. The LED structure contains a single layer of the GaSb QDs which is inserted in a GaAs matrix, and employed as the active region of the LED. Electrical properties of the LED are presented by current density-voltage characteristics. Under forward-biased condition, simulation results indicate that the radiative recombination rate is high around the GaSb/GaAs interface and becomes gradually lower in the middle of each QD owing to the type-II band alignment. Interestingly, the radiative recombination can be enhanced and extend more into the QDs as the forward-biased voltage increases, enabling the possibility to realize light-emitting devices from type-II nanostructures. These observations can be explained by band diagrams. Furthermore, the blueshift in the EL peak energy with increasing the injected current density is found and almost proportional to the third root of the injected current density, confirming that the EL emissions are derived from the QDs.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"7 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87911510","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
Effect of High Voltage Switching Frequency on DBD Plasma in Air for PET Surface Modification 高压开关频率对空气中DBD等离子体对PET表面改性的影响
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712209
Ittipon Jakraktok, C. Dechthummarong
{"title":"Effect of High Voltage Switching Frequency on DBD Plasma in Air for PET Surface Modification","authors":"Ittipon Jakraktok, C. Dechthummarong","doi":"10.1109/IEECON.2018.8712209","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712209","url":null,"abstract":"This paper studied on the laboratory scale of DBD plasma source of atmospheric air pressure that drove by ac square wave full bridge inverter. The electric parameters were investigated such as applied high voltage, current, and switching frequency. In the gap space 2 mm, the uniform glow discharge plasma can produce with the sinusoidal high voltage 11 kV and discharge current about 10 mA on the switching frequency range of 4–6 kHz. Furthermore, the thermal camera shown that the temperature of plasma was about 38°C. This homogeneous glow discharge plasma had used for surface treatment of thin PET film 100-micron at different exposure times. The water contact angles of PET surface reduced to 32° when treatment time was 45 s. However, the bulk properties of untreated and treated PET film were quite similar.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"126 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87725371","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
Comparison Between Different Modelling Methods to Study the Dynamical Behaviour of Line Start Permanent Magnet Synchronous Motors 线路起动永磁同步电动机动力学特性不同建模方法的比较
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712266
B. Wymeersch, F. De Belie, M. Ibrahim, C. Rasmussen, L. Vandevelde
{"title":"Comparison Between Different Modelling Methods to Study the Dynamical Behaviour of Line Start Permanent Magnet Synchronous Motors","authors":"B. Wymeersch, F. De Belie, M. Ibrahim, C. Rasmussen, L. Vandevelde","doi":"10.1109/IEECON.2018.8712266","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712266","url":null,"abstract":"To reach energy efficiency goals the demand to high efficient motors, e.g. Permanent Magnet Motors, is increasing. It is hard to start permanent magnet synchronous motors direct on line. Including power electronics is expensive and power consuming. Therefore, a rotor cage offers a solution in systems without need of control. Although the problem of starting can be solved using the rotor cage, these machines still fail to synchronize in some situations. These failures can have a negative influence on the performance of the machine, due to heating. To investigate the performance of the motor in many situations, simulation techniques have to be used. The choice among these techniques depends on the requirements of the design. Three common techniques can be found: Finite Element Analysis (FEA), Magnetic Equivalent Circuits (MEC) and the 2-phase modelling in a rotor reference frame (dq). techniques. In this paper not only their benefits and drawbacks, but also their complementarity is discussed. The discussion is illustrated with case examples.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"40 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74049507","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
Plant Leaf Disease Diagnosis from Color Imagery Using Co-Occurrence Matrix and Artificial Intelligence System 基于共现矩阵和人工智能系统的彩色图像植物叶片病害诊断
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712277
Chaowalit Khitthuk, A. Srikaew, K. Attakitmongcol, P. Kumsawat
{"title":"Plant Leaf Disease Diagnosis from Color Imagery Using Co-Occurrence Matrix and Artificial Intelligence System","authors":"Chaowalit Khitthuk, A. Srikaew, K. Attakitmongcol, P. Kumsawat","doi":"10.1109/IEECON.2018.8712277","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712277","url":null,"abstract":"This paper presents plant leaf disease diagnosis system from color imagery using unsupervised neural network. Images are processed using both color and texture features. The system is mainly composed of two processes: disease feature extraction and disease classification. The process of disease feature extraction analyzes feature appearance using statistic-based gray-level co-occurrence matrix and texture feature equations. The disease classification process deploys the unsupervised simplified fuzzy ARTMAP neural network to categorize types of disease. Four types of grape leaf disease images are used to test the system's classification performance which are rust, scab, downy mildew and no disease. Desirable results have been achieved with more than 90% of accuracy. The proposed system can be applied to diagnosis other type of plant disease sufficiently.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"27 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75463498","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: 20
A Comparison Between Correlation and Grey Relational for Big Data and Analytics 大数据分析中关联与灰关联的比较
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712236
Chatchai Tritham, Lertsak Lekawat, Autthasith Arrayangkool, C. Viwatwongkasem, P. Satitvipawee, P. Soontornpipit
{"title":"A Comparison Between Correlation and Grey Relational for Big Data and Analytics","authors":"Chatchai Tritham, Lertsak Lekawat, Autthasith Arrayangkool, C. Viwatwongkasem, P. Satitvipawee, P. Soontornpipit","doi":"10.1109/IEECON.2018.8712236","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712236","url":null,"abstract":"Recently, several methods to find similarity of data format and correlation between data and signal have been used for solving correlation of these things. The disadvantages of the methods are spent period of processing time, which are not suitable for large quantities of data. The objectives of this study were: 1) to review correlation and grey relational algorithm, 2) to compare between Pearson correlation coefficient and grey relational analysis, and 3) to examine experimental data for big data and analytics. Comparisons between grey relational and correlation function were used in MATLAB. Result of an analysis dedicated that three factors of the study follow: 1) period of processing time, 2) value of similarities, and 3) accuracy of information. The findings suggest that grey relational analysis takes the time to process less than correlation and more appropriate of the development and growth of Internet of Things.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"63 4","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91485992","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
Condition Assessment of a Gas Insulated Substation 某气体绝缘变电站状态评定
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712240
Kittinan Witchawut, P. Fuangpian, T. Suwanasri, C. Suwanasri
{"title":"Condition Assessment of a Gas Insulated Substation","authors":"Kittinan Witchawut, P. Fuangpian, T. Suwanasri, C. Suwanasri","doi":"10.1109/IEECON.2018.8712240","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712240","url":null,"abstract":"This paper presents condition assessment of asset in HV gas insulated substation for maintenance management in industrial area. The scoring and weighting techniques are applied for condition assessment. The component of HV substation such as circuit breaker, disconnecting switch, earthing switch, high speed earthing switch, current transformer, voltage transformer and local control panel are evaluated. The 5 bays of a 115 kV GIS substation in industrial area are evaluated as example in the assessment program. The results show the health index of components, health index of bay and health index of substation in form of percentage. The known health index of substation and its component is useful information to manage the maintenance activity with the associated cost and to plan the effective maintenance scheduling for HV substation.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"36 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77956903","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
Model Predictive Control Application for the Control of a Grid-Connected Synchronous Generator 模型预测控制在并网同步发电机控制中的应用
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712191
A. Bonfiglio, M. Invernizzi
{"title":"Model Predictive Control Application for the Control of a Grid-Connected Synchronous Generator","authors":"A. Bonfiglio, M. Invernizzi","doi":"10.1109/IEECON.2018.8712191","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712191","url":null,"abstract":"The paper focuses on the application of the Model Predictive Control (MPC) theory to a synchronous generator for the control of voltage and active power. The paper also proposes a comparison of the performances of the MPC controller against alternative model-base control approaches such as the FeedBack Linearization (FBL) and the Sliding Mode (SM) with the aim of giving a qualitative comparison among these techniques. The comparison is performed by means of dedicated simulations on a benchmark system, where the aforementioned approaches are also tested against a conventional PID based controller.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"22 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73034849","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
Secrecy Downlink Multi-User MISO Networks 保密下行链路多用户MISO网络
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712322
Pubet Sangmahamad, Hanami Yokoi, Ami Kunishige, K. Woradit
{"title":"Secrecy Downlink Multi-User MISO Networks","authors":"Pubet Sangmahamad, Hanami Yokoi, Ami Kunishige, K. Woradit","doi":"10.1109/IEECON.2018.8712322","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712322","url":null,"abstract":"This paper proposes two strategies of secrecy downlink multi-user multiple-input single-output (MISO) transmission, namely, beamforming strategy and nulling strategy, for wireless communication networks with single multiantenna base station and multiple single-antenna mobile stations. All mobile stations can eavesdropper each other. The transmission rate of the link from the base station to a mobile station is limited at the secrecy rate, which is the transmission rate that the base station can communicate with the target mobile station without eavesdropping by any other mobile station in the network. We compare the performance of two proposed strategies in terms of the obtained instantaneous secrecy rate by Monte-Carlo simulations. It is found that neither of them is better than the other for all Monte-Carlo realizations. The beamforming strategy is better than the nulling strategy in some situations, which depends on two factors: the number of transmit antennas at the base station and the number of mobile stations in the network.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"1 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79923480","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
Optimization Techniques in Modern Times and Their Applications 现代优化技术及其应用
2018 International Electrical Engineering Congress (iEECON) Pub Date : 2018-03-07 DOI: 10.1109/IEECON.2018.8712308
Somiya Bhandari, Kishan Bhushan Sahay, R. Singh
{"title":"Optimization Techniques in Modern Times and Their Applications","authors":"Somiya Bhandari, Kishan Bhushan Sahay, R. Singh","doi":"10.1109/IEECON.2018.8712308","DOIUrl":"https://doi.org/10.1109/IEECON.2018.8712308","url":null,"abstract":"In the real world we encounter problems in many areas such as mathematics, engineering, science, business and economics, e.g. in product and process design, production, traffic control, scheduling and even strategic planning. Optimization is a discipline of dealing with such problems where one has to minimize or maximize one or more objectives that are functions of some integer or real variables without exploiting the given constraints. In this paper, various optimization techniques like a Genetic Algorithm, Ant Colony Optimization, Butterfly Optimization, Pattern Search, Particle Swarm Optimization have been successfully applied in solving different problems. Due to the numerous optimization techniques available nowadays the solution to complex problems can be found. The results confirm superior performance of the proposed algorithms while solving many real-world problems.","PeriodicalId":6628,"journal":{"name":"2018 International Electrical Engineering Congress (iEECON)","volume":"5 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2018-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90384255","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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