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Square-root optimal hankel norm approximation technique for order reduction of non-minimal systems 非极小系统降阶的平方根最优汉克尔范数逼近技术
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925927
Deepak Kumar, S. K. Nagar
{"title":"Square-root optimal hankel norm approximation technique for order reduction of non-minimal systems","authors":"Deepak Kumar, S. K. Nagar","doi":"10.1109/IEECON.2014.6925927","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925927","url":null,"abstract":"This paper intends to the development of order reduction technique for reduction of non-minimal systems which is a combination of square-root approach and schur decomposition algorithm. The proposed technique alleviates the practical difficulties in computations of balancing transform for non-minimal systems. A numerical example is considered to validate the proposed algorithm and the comparison with other well known techniques shows the effectiveness of the proposed algorithm.","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":"114038533","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
Load factor improvement in industrial sector using load duration curves 利用负荷持续时间曲线改善工业部门的负荷系数
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925905
Jutatip Surai, Vichai Surapatana
{"title":"Load factor improvement in industrial sector using load duration curves","authors":"Jutatip Surai, Vichai Surapatana","doi":"10.1109/IEECON.2014.6925905","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925905","url":null,"abstract":"This paper presents an alternative technique for the analysis of variability of load components by using load duration curve. The user's activities and critical peak demand for short duration obtained from annual profile data are classified according to the frequency of electricity consumption. However, load factor of a plant depends on the control or clipping of a peak demand. Thus, the users need to identify electric device which may cause high impact on their bills. This technique enables us to solve a peak demand problem in a plant accurately. It can provide a better way for load factor improvement with the ease of application, accuracy in demand side management which decreases the peak demand in electrical system and high efficiency.","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":"114868922","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
Multi-sources simultaneous communication in the wireless mobility model is NP-complete 无线移动模型中的多源同步通信是np完全的
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925942
Pattama Longani, Sanpawat Kantabutra
{"title":"Multi-sources simultaneous communication in the wireless mobility model is NP-complete","authors":"Pattama Longani, Sanpawat Kantabutra","doi":"10.1109/IEECON.2014.6925942","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925942","url":null,"abstract":"In this article we consider a mobility model M=(S, D, U, L, R, V, C, O), where S is a set of sources, D a set of directions, U a set of users, L a set of user movements, R a set of source movements, V a set of velocities of sources, C a set of source coverages, and O a set of obstacles. Particularly, we study a problem called MULTI-SOURCES SIMULTANEOUS COMMUNICATION PROBLEM in this model. This problem is stated as follows: given a mobility model M=(S, D, U, L, R, V, C, O), k pairs of distinct sources {s1, s'1}, {s2, s'2},...,{sk, s'k}, and a time t, can all k pairs of sources simultaneously communicate throughout the duration t of the model without sharing a source? We show that the complexity of this problem is at least as hard as the ONE-IN-THREE 3-SATISFIABILITY unless P=NP.","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":"132230332","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
Power flow computation considering nonlinear characteristics of composite load model 考虑复合负荷模型非线性特性的潮流计算
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925969
P. Aree
{"title":"Power flow computation considering nonlinear characteristics of composite load model","authors":"P. Aree","doi":"10.1109/IEECON.2014.6925969","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925969","url":null,"abstract":"A constant power load model is normally used in power flow analysis. The constant power load fails to describe nonlinear characteristic of all power system loads. Hence, this paper presents an extended technique to incorporate nonlinear profile of a composite load model into Newton-Raphson power flow calculation. The power flow solution with a group of induction motors and static loads is demonstrated through small scale power system. The study results show that the presented technique can be employed to find correct operating conditions in which converged active and reactive powers and voltages of the composite loads are precisely related to their inputted nonlinear characteristics.","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":"128215852","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
Forecasting number of dengue patients using cellular automata model 用元胞自动机模型预测登革热患者人数
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925876
Trirat Soemsap, S. Wongthanavasu, W. Satimai
{"title":"Forecasting number of dengue patients using cellular automata model","authors":"Trirat Soemsap, S. Wongthanavasu, W. Satimai","doi":"10.1109/IEECON.2014.6925876","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925876","url":null,"abstract":"This paper presents a novel forecasting model for dengue patient number using cellular automata (CA). The proposed model takes a number of people in each status of an epidemic model called SIER into consideration. In this respect, CA take a Genetic Algorithm (GA) to generate the factor weight chromosomes and Artificial Neural Network (ANN) to determine the probability of state transition `S' to `E' at time step t (Pt(s,e)). In addition, other related probabilities are obtained by expert knowledge; P(e,i) = 0.15 and P(i,s)=0.001. P(r,s) is determined by GA. These probabilities were used to calculate the cell number of each state at the next time step of CA. CA compute the fitness for one time step and repeat every time step finally to compute RMSE. For performance evaluation, 32 factors of dengue causes are used in the model. The dataset collected during 2005 to 2011 consisting of 359 weeks in which 287 and 72 are used to train and test the model, respectively. The results showed that the proposed model outperforms the compared ANN.","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":"132896403","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: 6
A computer vision approach for detection and counting of motorcycle riders in university campus 基于计算机视觉的大学校园摩托车骑手检测与计数方法
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925906
Rattapoom Waranusast, Vasan Timtong, Nannaphat Bundon, Chainarong Tangnoi
{"title":"A computer vision approach for detection and counting of motorcycle riders in university campus","authors":"Rattapoom Waranusast, Vasan Timtong, Nannaphat Bundon, Chainarong Tangnoi","doi":"10.1109/IEECON.2014.6925906","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925906","url":null,"abstract":"Essential tasks of automatic traffic monitoring are a vehicle classification and a vehicle or passenger counting system. These tasks provide useful data in planning transportation system. This paper presents an automatic system to classify a motorcycle and count riders on it. The system extracts moving objects and classifies them as a motorcycle or other moving objects based on features derived from their region properties using K-Nearest Neighbor (KNN) classifier. The heads of the riders on the recognized motorcycle are then counted based on projection profiling. Experiment results show an average correct motorcycle classification at 95.31% and correct rider count at 83.82%.","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":"126056685","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
Wide-area power system control using Fuzzy Logic based static Synchronous Series Compensator 基于模糊逻辑的广域电力系统静态同步串联补偿器控制
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925881
Chatchai Laopromsukon, K. Hongesombut, Jantanee Rungrangpitayagon
{"title":"Wide-area power system control using Fuzzy Logic based static Synchronous Series Compensator","authors":"Chatchai Laopromsukon, K. Hongesombut, Jantanee Rungrangpitayagon","doi":"10.1109/IEECON.2014.6925881","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925881","url":null,"abstract":"This paper presents the application of a Static Synchronous Series Compensator (SSSC) with Fuzzy Logic Control (FLC) to increase the damping of low-frequency oscillations in a wide-area power system. The proposed FLC is applied to SSSC and tested the performance in a two-area and four-generator interconnected power system. The main objective of this controller design is to enhance the stability of power system. The effectiveness of this control method is verified by simulations. From the simulation results, it can be concluded that the proposed control method can improve the stability and robustness of a wide-area power system better than the conventional lead-lag controller.","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":"121701144","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
Review on protection issues with penetration of distributed generation in distribution system 配电系统中分布式电源渗透保护问题综述
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925918
A. K. Tiwari, S. Mohanty, Ravindra K. Singh
{"title":"Review on protection issues with penetration of distributed generation in distribution system","authors":"A. K. Tiwari, S. Mohanty, Ravindra K. Singh","doi":"10.1109/IEECON.2014.6925918","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925918","url":null,"abstract":"This paper presents a review on the impact of distributed generation (DG) on fault detection and fault localization in power distribution system. The penetration of DG in distribution system has significant impact on protection issues, as the load flow of the network changes and also the distribution system remains no longer radial. The bi-directional flow of fault current increases the complexity of protection coordination as the range of fault current changes and may cause protective device to become blind in case of over current and short circuit with the integration of DG. The impact of DG on fault detection, fault clearance and minimizing the outage time demands the need for changes in fault detection and localization methods. A lot of research is undergoing in this prospect for the improvement in various methods widely used for fault detection and localization.","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":"125465767","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: 22
Impact of fast charging station to voltage profile in distribution system 快速充电站对配电系统电压分布的影响
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925934
Bundit Pea-da, S. Dechanupaprittha
{"title":"Impact of fast charging station to voltage profile in distribution system","authors":"Bundit Pea-da, S. Dechanupaprittha","doi":"10.1109/IEECON.2014.6925934","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925934","url":null,"abstract":"The purpose of this paper is to investigate the impacts of fast charging stations on a medium voltage distribution grid. Fast charging of EVs involves delivering required energy within a short time interval, usually in a range of minutes, which results in high charging power. The high charging power demand from a number of EVs can produce pulsating loads, which significantly lead to voltage flicker in the medium voltage distribution grid.","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":"131994884","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
Metamaterials, transformation optics and its applications 超材料、变换光学及其应用
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925963
P. Wanchai, W. Amorntep
{"title":"Metamaterials, transformation optics and its applications","authors":"P. Wanchai, W. Amorntep","doi":"10.1109/IEECON.2014.6925963","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925963","url":null,"abstract":"The purpose of this paper is to introduce transformation optics and general relativity with metamaterials to design optical devices. To show how useful the transformation optics is, we propose photonic metamaterials or photonic crystal waveguide with the structure of honeycomb lattice to slow light. We also show that general relativity gives the theoretical tools for designing optical devices made of such exotic properties and man-made materials. The media with a desired device function facilitate space-time transformations and include negative refractive index. One of the applications of slow light is to design single photon source.","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":"128461033","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
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