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2013 8th International Conference on Electrical and Electronics Engineering (ELECO)最新文献

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A device to measure joint angles and foot force for lower extremity force distribution computations 一种测量关节角度和足部力的装置，用于下肢力分布计算
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713874
E. M. Onaran, G. Ertas, Haluk Kucuk
{"title":"A device to measure joint angles and foot force for lower extremity force distribution computations","authors":"E. M. Onaran, G. Ertas, Haluk Kucuk","doi":"10.1109/ELECO.2013.6713874","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713874","url":null,"abstract":"In rehabilitation of walking difficulties, it is vital to be aware of the distribution of the force and moment pairs faced by the lower limb extremities. The mathematical equations for numerical computation of these pairs are provided by free body diagrams that require some foot force measurements and joint/segment-tilt angle measurements as well. In this study, a device has been developed to capture the foot force and the ankle, knee and hip joint angles. The device is equipped with three accelerometers and six force sensitive resistors. The measured forces and angles are computed and next transferred to personal computer. The device is calibrated and then tested on a healthy volunteer. The test results show that the device may be used to provide valuable measurements to compute force distributions in lower extremity.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122218366","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
A comparison between ANN based methods of critical clearing time estimation 基于人工神经网络的临界清除时间估计方法的比较
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713818
C. F. Kucuktezcan, V. M. I. Genç
{"title":"A comparison between ANN based methods of critical clearing time estimation","authors":"C. F. Kucuktezcan, V. M. I. Genç","doi":"10.1109/ELECO.2013.6713818","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713818","url":null,"abstract":"This paper presents a methodology based on Artificial Neural Network (ANN) structures for the dynamic security assessment (DSA) of power systems. Proposed methodology involves, ANN approach for fast and accurate estimation of critical clearing time (CCT) values of credible faults occurring in the system, considering changes in the loading conditions and system topology. CCT is an important indicator that measures the transient stability of the system against critical contingencies. Offline trained ANNs can monitor online DSA without suffering from excessive computational burden of time domain simulations (TDS). Decision Trees are used as a feature selection tool to reduce the training time and ANN complexity, increasing the CCT estimation performance of the ANN applications studied in this work, Multi-Layer Perceptron, Radial Basis Neural Network, Generalized Regression Neural Network and Adaptive Neuro-Fuzzy Inference Systems. The proposed approach is applied to 16 generator-68 bus test system operating at various loading conditions and system topologies.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114975262","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
State vector estimation using extended filter kalman for the sliding mode controlled quadrotor helicopter in vertical flight 基于扩展滤波卡尔曼的滑模控制四旋翼直升机垂直飞行状态向量估计
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713891
Samir Zeghlache, D. Saigaa, Kamel Kara, Abderrahmen Bouguerra
{"title":"State vector estimation using extended filter kalman for the sliding mode controlled quadrotor helicopter in vertical flight","authors":"Samir Zeghlache, D. Saigaa, Kamel Kara, Abderrahmen Bouguerra","doi":"10.1109/ELECO.2013.6713891","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713891","url":null,"abstract":"The control of the quadrotor helicopter includes nonlinearities, uncertainties and external perturbations that should be considered in the design of control laws. This paper presents a control strategy for an underactuated six degrees of freedom (6 DOF) quadorotor helicopter, based on the sliding mode control (SMC). The main purpose of this work is to proposed a non linear observer based on extended kalman filter (EKF) to estimate the unmeasured states. Finally simulation results are included to indicate the quadrotor UAV with the proposed controller ensure a good tracking of a desired trajectory and remain robust to the external disturbances.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115352220","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
New cascaded multilevel inverter topology with reduced number of switches and sources 新的级联多电平逆变器拓扑与减少数量的开关和源
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713811
S. Hosseini, Amir Farakhor, S. K. Haghighian
{"title":"New cascaded multilevel inverter topology with reduced number of switches and sources","authors":"S. Hosseini, Amir Farakhor, S. K. Haghighian","doi":"10.1109/ELECO.2013.6713811","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713811","url":null,"abstract":"This paper presents a novel topology for cascaded multilevel inverters. The proposed topology employs less number of components. This structure consists of a single DC voltage source, several low-frequency transformers and switching devices. There are two switching devices in each module of the proposed structure and there is only a module with three power switches. However, in conventional cascaded H-bridge multilevel inverters four switches are used in each module. The number of gate drivers are reduced respectively along with the switches which results in smaller size, lower cost, lower power consumption in driving circuits and higher efficiency. To verify the performance of the proposed structure, Simulation results carried out by PSCAD/EMTDC and a low-power experimental setup was used to test the converter in practice.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124429670","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
Waveform quality comparison of scalar PWM methods for Modular Multilevel Converters 模块化多电平变换器中标量PWM方法的波形质量比较
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713822
B. Çiftçi, A. Hava
{"title":"Waveform quality comparison of scalar PWM methods for Modular Multilevel Converters","authors":"B. Çiftçi, A. Hava","doi":"10.1109/ELECO.2013.6713822","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713822","url":null,"abstract":"Modular Multilevel Converter (M2C) is the preferential topology used for high power applications in the recent years. Its high quality of output waveforms and high efficiency make it a powerful alternative to conventional two level converters. This paper gives an output waveform quality comparison of scalar PWM methods, used for M2C switching. It is found that output voltage characteristics are highly dependent on the PWM method used. Therefore, selection of the switching method is an important design issue in M2C studies. Comparison is based on Matlab generated switching pulse patterns and the results are validated by Simplorer based computer simulations.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"336 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122521759","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
Time delay calculation in current-mode circuits 电流型电路的延时计算
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713859
Melek Kurnaz, S. Minaei, I. Goknar
{"title":"Time delay calculation in current-mode circuits","authors":"Melek Kurnaz, S. Minaei, I. Goknar","doi":"10.1109/ELECO.2013.6713859","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713859","url":null,"abstract":"In this paper time delay calculations for a current-mode circuit are considered and an equivalent circuit model for delay estimation is developed. The relation obtained for the time delay can be adapted to any CMOS current-mode circuit. The proposed calculation method is verified with SPICE using 0.35 μm TSMC MOSIS technology parameters.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124744908","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 new approach for long-term electricity load forecasting 电力负荷长期预测的新方法
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713816
A. Safdarian, M. Fotuhi‐Firuzabad, M. Lehtonen, Milad Aghazadeh, A. Ozdemir
{"title":"A new approach for long-term electricity load forecasting","authors":"A. Safdarian, M. Fotuhi‐Firuzabad, M. Lehtonen, Milad Aghazadeh, A. Ozdemir","doi":"10.1109/ELECO.2013.6713816","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713816","url":null,"abstract":"Long-term electricity load and price forecasts have become critical inputs to energy service provider (ESP) decision makings in restructured environments. This paper presents a three-stage hierarchical approach for long-term electricity load forecasting. These stages are called yearly trend model (YTM), weekly trend model (WTM), and daily trend model (DTM). The first stage fits an appropriate function to data and extracts its yearly trend. The weekly and daily trends are then extracted using the Box-Jenkins method in WTM and DTM, respectively. For doing so, candidate trends are identified using auto correlation function (ACF) and partial auto correlation function (PACF) plots. Then, Akaike information criterion (AIC) and Schwarz information criterion (SIC) are used to select the best-fitted trends. The different behavior of weekends and night times is captured using dummy variables. The obtained yearly, weekly, and daily trends are finally used for electricity load forecasting.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124913337","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
Analysis of Reduced Order Model based on doubly-fed induction generators during different fault times 基于双馈感应发电机不同故障时间的降阶模型分析
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713834
M. K. Dosoglu, A. Arsoy
{"title":"Analysis of Reduced Order Model based on doubly-fed induction generators during different fault times","authors":"M. K. Dosoglu, A. Arsoy","doi":"10.1109/ELECO.2013.6713834","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713834","url":null,"abstract":"In this study, three phase fault analysis of wind turbines consist of Doubly-Fed şnduction Generators (DFIGs) has been examined. The dynamic analysis of DFIG has been conducted by Reduced Order Model (ROM). Three Phase fault has been made in 34.5 kV bus, happended in three bus power systems. The three phase fault time has been choosen as 0.02 second, 0.05 second and 0.1 seconds. 154 kV bus voltage, 34.5 kV bus voltage, DFIG output voltage, DFIG angular speed, DFIG electrical torque and DFIG d-q axes stator and rotor current variations of system in different fault times has been examined. According to the results, it has been seen that three phase fault is especially effective upon 34.5 kV bus voltage and DFIG output voltage in different fault time's analysis.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"159 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127382859","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
Based on the FOA algorithm research of ocean-going vessels economy speed 基于FOA算法的远洋船舶经济航速研究
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713887
Jia Dong-qin, Shi Bu-hai
{"title":"Based on the FOA algorithm research of ocean-going vessels economy speed","authors":"Jia Dong-qin, Shi Bu-hai","doi":"10.1109/ELECO.2013.6713887","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713887","url":null,"abstract":"In this paper, aiming at the non-linear characteristics of ocean-going sailing vessel model and the deficiencies of either the traditional mathematical methods or the neural networking modeling, an improved support vector regression (SVR) economical sailing predictive modeling method based on the fly fruit optimization algorithm (FOA) is proposed. First, using data mining techniques on the ship sailed data mining, screening, then use the processed data to establish economic sailing forecast model of the ocean-going vessels. The model synthetically considers the external natural variables which influence on the ocean-going sailing vessel and provides the economical way of sailing under the multi-variable natural weather conditions. The simulation results show that this model is able to accurately predict the pitch for the economical sailing control according to the external multivariable. It has been certificated that this method is an effective novel means to study the economical sailing control of the ocean-going vessel.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127599177","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
Pulse omission fractional frequency synthesizer 脉冲省略分数频率合成器
2013 8th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2013-11-01 DOI: 10.1109/ELECO.2013.6713854
M. Stork
{"title":"Pulse omission fractional frequency synthesizer","authors":"M. Stork","doi":"10.1109/ELECO.2013.6713854","DOIUrl":"https://doi.org/10.1109/ELECO.2013.6713854","url":null,"abstract":"This article presents a design of new principle of the fractional frequency synthesizer based on charge balancing for spurious phase modulation suppression when pulses are periodically removed from pulse train. The new synthesizer can be used also as a universal building block in phase locked loop frequency synthesizers. The mathematical analysis and simulations of the system are also presented.","PeriodicalId":108357,"journal":{"name":"2013 8th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116687815","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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