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2015 9th International Conference on Electrical and Electronics Engineering (ELECO)最新文献

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A high performance multiply-accumulate unit with double carry-save scheme for 6-input LUT based reconfigurable systems 基于六输入LUT的可重构系统中具有双进位节省方案的高性能乘积单元
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394625
U. Çini, Olcay Kurt
{"title":"A high performance multiply-accumulate unit with double carry-save scheme for 6-input LUT based reconfigurable systems","authors":"U. Çini, Olcay Kurt","doi":"10.1109/ELECO.2015.7394625","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394625","url":null,"abstract":"Redundant number systems provide carry-propagation free arithmetic, so that faster arithmetic circuits can be designed. In this work, an alternative redundant arithmetic based fused multiply-accumulate (MAC) unit is designed especially suitable for 6-input look-up-table (LUT) based FPGAs. By employing only (6, 3) counters in the partial product reduction and accumulate operations, least amount of logic depth is provided which results as high performance without any pipeline requirement in the system. The proposed MAC unit has 16×16 input with sign extended 40-bit output. The MAC unit is compared to conventional redundant carry-save and various standard MAC architectures. The proposed structure provides highest performance among the structures that have been compared.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121556741","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
Measurement of human walking on sagittal plane for exoskeleton walking pattern generation 用于外骨骼行走模式生成的人体矢状面行走测量
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394551
Tolga Olcay, A. Ozkurt, M. E. Toygar, T. Akkan, Y. Senol
{"title":"Measurement of human walking on sagittal plane for exoskeleton walking pattern generation","authors":"Tolga Olcay, A. Ozkurt, M. E. Toygar, T. Akkan, Y. Senol","doi":"10.1109/ELECO.2015.7394551","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394551","url":null,"abstract":"Researchers have been worked on exoskeletons and active orthoses since 1960s. There are many competitions on these searches area. One of them is Human Exoskeleton Assistance System Prototype (HEASP) that is developed at Dokuz Eylül University. HEASP's goal is to assist one leg extremity persons. In this paper, the capturing of human walking parameters on sagittal plane is introduced. These parameters used for walking pattern generation and making pattern decision control strategies on HEASP.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114940308","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 new VDTA based frequency agile filter 一种新的基于VDTA的频率捷变滤波器
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394507
Ersin Alaybeyoğlu, H. Kuntman
{"title":"A new VDTA based frequency agile filter","authors":"Ersin Alaybeyoğlu, H. Kuntman","doi":"10.1109/ELECO.2015.7394507","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394507","url":null,"abstract":"In this study, a new voltage mode frequency agile filter designed by voltage differencing trans-conductance amplifier (VDTA) is presented. A single VDTA and two capacitors are used to implement the designed frequency agile filter. The MOS capacitor technique is used instead of conventional capacitors to achieve high operating frequencies. The agility of the designed filter is implemented by selecting different size MOS capacitor. The performance parameters of the VDTA and agile filter structure are summarized. The suitability of the filter for different applications are given. AMS 0.18μm parameters are used for the designed frequency agile filter.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130413571","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
Control of resistance spot welding using model predictive control 基于模型预测控制的电阻点焊控制
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394506
M. Hemmati, M. Haeri
{"title":"Control of resistance spot welding using model predictive control","authors":"M. Hemmati, M. Haeri","doi":"10.1109/ELECO.2015.7394506","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394506","url":null,"abstract":"Nowadays, the need for industrial processes with sufficient accuracy, efficiency, and flexibility to compete world markets is inevitable. On the other hand, the advent of control techniques and increased computation power of CPUs allow implementation of complex controllers using optimization techniques to provide higher efficiency and economic productivity. Model predictive control refers to a wide range of optimization-based control methods applying explicit models to predict its prospective use. These methods of control compute control signal by minimizing the cost function so that the process output becomes very close to the optimal path. In this paper, we use a new model predictive control technique on a spot welding process as a time varying nonlinear process.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131683525","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
Speed control of wind turbine rotor using genetic algorithm 基于遗传算法的风力发电机转子转速控制
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394491
A. Ozturk, S. Tosun, Selman Alkan, Emre Avci, Rifat Bilir
{"title":"Speed control of wind turbine rotor using genetic algorithm","authors":"A. Ozturk, S. Tosun, Selman Alkan, Emre Avci, Rifat Bilir","doi":"10.1109/ELECO.2015.7394491","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394491","url":null,"abstract":"In wind farms, rotor speed control of generator is essential to generate appropriate electric energy. In this study, squirrel cage induction generator (SCIG) is used and its rotor speed is controlled with Genetic Proportional-Integral (GPI) method. Determination of PI coefficients providing SCIG to operate reference rotor speed promptly is obtained with Genetic Algorithm (GA) known as an optimization method. In addition, sensorless control of rotor speed is carried out with field oriented control (FOC). To do this purpose, the transfer function of rotor speed control of induction machine is created and employed in simulation model. Used in this control, PI coefficients, firstly, are obtained with a classical method called Ziegler-Nichols Method (ZNM) and then is obtained with GA. Wind turbine (WT) model created with Matlab/Simulink are used to operate the system simulation for these different methods which determine the PI coefficients. The system simulation of the results for ZNM and GA are compared. It is clearly seen that the results which are operated with PI coefficients calculated by GA is better than the others in the respect of reaching time to reference speed and determination.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"331 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134463185","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
Obtaining the time response of control systems with fractional order PID from frequency responses 从频率响应得到分数阶PID控制系统的时间响应
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394522
Ali Yuce, F. N. Deniz, N. Tan, D. Atherton
{"title":"Obtaining the time response of control systems with fractional order PID from frequency responses","authors":"Ali Yuce, F. N. Deniz, N. Tan, D. Atherton","doi":"10.1109/ELECO.2015.7394522","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394522","url":null,"abstract":"The paper deals with obtaining the time response of closed loop control system with fractional order PID controller using frequency response data. For this aim, a feedback control system with an integer order plant and a fractional order PID controller are studied. The real and imaginary parts of the closed loop transfer function are obtained which depend on the parameters Kp, Ki, Kd, λ and μ of fractional order PID controller and real and imaginary parts of the plant. Then the time domain responses of the closed loop control system with fractional order PID controller are plotted by using Inverse Fourier Transform Method (IFTM) or Fourier Series Method (FSM). The presented idea is supported by some numerical examples.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133979030","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
Mathematical modeling and dynamic analysis of self-lift P/O Lou converter by means of signal flow graph 利用信号流图对自升式P/O低电平变换器进行数学建模和动态分析
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394632
Parisa Mohammadalizadeh, F. Shahir, M. Shabani
{"title":"Mathematical modeling and dynamic analysis of self-lift P/O Lou converter by means of signal flow graph","authors":"Parisa Mohammadalizadeh, F. Shahir, M. Shabani","doi":"10.1109/ELECO.2015.7394632","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394632","url":null,"abstract":"Modeling of dc-dc power converters is of great importance to obtain frequency response. Modeling is first step to design compensator circuits for a closed loop system. Computer devices were only able to find dc operating point and to produce diagram boot for circuits with linear elements. Power converters involve diodes and switches and since these elements are non-linear, it is impossible to access dc operating point and diagram boot in such converters. This is while temporal responses can also be simulated. In this article we used current signal graph and Maison operation formula to obtain small signaling model, output control transfer functions (switching), output to input and diagram boot of Luo self boosting converter. Results obtained from simulations in MATLAB software were presented to investigate sustainability and also frequency response.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128952998","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
Enhancement of extracted maximum power from partially shaded multi-string PV panels using a new cascaded high step-up DC-DC-AC converter 使用新型级联高升压DC-DC-AC转换器，增强部分遮阳多串光伏板提取的最大功率
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394619
S. Hosseini, R. Alishah, Amirreza Zarrin Gharehkoushan
{"title":"Enhancement of extracted maximum power from partially shaded multi-string PV panels using a new cascaded high step-up DC-DC-AC converter","authors":"S. Hosseini, R. Alishah, Amirreza Zarrin Gharehkoushan","doi":"10.1109/ELECO.2015.7394619","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394619","url":null,"abstract":"Partially shaded problem in multi-string PV panels is a major challenge because it reduces the value of generated power from PV panel. In this paper, a new cascaded high step-up DC-DC-AC converter based on SEPIC converter is proposed for partially shaded multi-string PV panels. To solve the challenge of partially shaded in PV system, a SEPIC dc-dc converter is connected for each string and the duty cycle of the each SEPIC converter is controlled to extract maximum power from each string using Perturb and Observe (P&O) algorithm. It increases the total extracted power from PV panel substantially. The proposed DC-AC converter can generate a large number of levels at output to reduce total harmonic distortion. This converter uses the least number of components such as IGBTs, drivers, capacitors and anti-parallel diodes which is an important advantage. Simulation results based on PSCAD/EMTDC software are verified the operation of presented structure.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129394000","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: 13
Voltage-mode CFTA-C fifth-order low-pass filter design and optimization 电压型CFTA-C五阶低通滤波器的设计与优化
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394609
J. Koton, N. Herencsar, Radka Havlíková, K. Vrba, Martin Venclovský
{"title":"Voltage-mode CFTA-C fifth-order low-pass filter design and optimization","authors":"J. Koton, N. Herencsar, Radka Havlíková, K. Vrba, Martin Venclovský","doi":"10.1109/ELECO.2015.7394609","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394609","url":null,"abstract":"Based on the fifth-order voltage-mode low-pass LC ladder structure the active only grounded-C equivalent circuit solutions are presented. As active building blocks the current follower transconductance amplifiers (CFTAs) are used. Using the signal flow graph approach, the initial solution using nine active elements is further optimized to a more simple topology employing only six active elements and five capacitors. Using the readily available UCC-N1B integrated circuit, the performance of the optimized active only grounded-C voltage-mode low-pass filter has been verified both by the simulations and the experimental measurements.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116841822","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
Chaos synchronization of the fractional order time delay system 分数阶时滞系统的混沌同步
2015 9th International Conference on Electrical and Electronics Engineering (ELECO) Pub Date : 2015-11-01 DOI: 10.1109/ELECO.2015.7394623
Gulten Cetintas, V. Çelik
{"title":"Chaos synchronization of the fractional order time delay system","authors":"Gulten Cetintas, V. Çelik","doi":"10.1109/ELECO.2015.7394623","DOIUrl":"https://doi.org/10.1109/ELECO.2015.7394623","url":null,"abstract":"In this paper, the chaos synchronization of two identical fractional order time delay system (One Master-Transmitter, other Slave-Receiver) has been achieved for different initial conditions. For achieving synchronization between two systems, a proportional controller has been designed by using active control method. Efficiency of the controller designed has been tested using modified Mikhailov stability criterion and its appropriate gain parameter has been selected. The obtained results have been verified by the time domain simulations of the system.","PeriodicalId":369687,"journal":{"name":"2015 9th International Conference on Electrical and Electronics Engineering (ELECO)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114158106","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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