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EUROCON 2007 - The International Conference on "Computer as a Tool"最新文献

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Damping of the Torsional Vibration in Two-Mass Drive System Using Forced Dynamic Control 基于强制动态控制的双质量驱动系统扭振阻尼研究
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400685
K. Szabat, T. Orłowska-Kowalska
{"title":"Damping of the Torsional Vibration in Two-Mass Drive System Using Forced Dynamic Control","authors":"K. Szabat, T. Orłowska-Kowalska","doi":"10.1109/EURCON.2007.4400685","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400685","url":null,"abstract":"The paper deals with the application of forced dynamic control strategy in the two-mass resonant system. First the basic of the forced dynamic control theory in the case of the drive system with elastic coupling is presented. The analytical equations which allow for calculating the control structure parameters are given. The included simulation results confirm the effectives of the proposed control In order to applied the proposed control structure the information about non-measurable states is necessary. So general description of the extended Kalman filter is presented. Simulation results were confirmed experimentally in the laboratory set up.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128946656","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: 17
Model Reduction of Ill-Conditioned Systems: Second Order vs. First Order Reductions 病态系统的模型约简:二阶与一阶约简
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400332
G. Lippens, L. Knockaert, D. De Zutter
{"title":"Model Reduction of Ill-Conditioned Systems: Second Order vs. First Order Reductions","authors":"G. Lippens, L. Knockaert, D. De Zutter","doi":"10.1109/EURCON.2007.4400332","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400332","url":null,"abstract":"In this contribution, a study is made of the impact on the reduced model accuracy of a model order reduction (MOR) of second order systems written as a first order system twice the size of the original system.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131238207","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
Control Strategy of a 3-DOF Walking Robot 一种三自由度步行机器人的控制策略
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400493
A. Petrisor, N. Bîzdoaca, S. Degeratu, A. Drighiciu, G. P. Serb, D. Coman, M. Popescu
{"title":"Control Strategy of a 3-DOF Walking Robot","authors":"A. Petrisor, N. Bîzdoaca, S. Degeratu, A. Drighiciu, G. P. Serb, D. Coman, M. Popescu","doi":"10.1109/EURCON.2007.4400493","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400493","url":null,"abstract":"The paper presents the mathematical model of a walking robot where the active pair of legs has three free joints. The mathematical model of the robot is determined considering a systemic approach of the robot as variable causality dynamic systems (VCDS). Taking into account a possible symmetrical structure, only the vertical xz-plane evolution is considered. The results can be extended to three-dimensional space. The approach is best on variable dynamic systems, considering that each leg of the pair can change the state depending of the causality order. It is considered that the first leg has both joints free and the second leg has the second joint free. The model is implemented in MATLAB environment and some evolutions examples are presented.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130846946","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: 11
A Novel Low DC Voltages Generator Without Switching Devices 一种新型无开关装置的低直流电压发电机
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400314
K. Matsui, G. Er-dong, I. Yamamoto, M. Hasegawa, K. Ando
{"title":"A Novel Low DC Voltages Generator Without Switching Devices","authors":"K. Matsui, G. Er-dong, I. Yamamoto, M. Hasegawa, K. Ando","doi":"10.1109/EURCON.2007.4400314","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400314","url":null,"abstract":"It is a little difficult to obtain the lower dc voltage below the one obtained from input ac supply voltage without transformer or switching operations. Those operations can be implemented by passive devices due to fabrication of electrolytic capacitors. The results are confirmed by the theoretical and experimental implementations.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132934278","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
Tool for Simulation and Optimization BIST Structures 模拟和优化BIST结构的工具
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400365
I. Gościniak
{"title":"Tool for Simulation and Optimization BIST Structures","authors":"I. Gościniak","doi":"10.1109/EURCON.2007.4400365","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400365","url":null,"abstract":"Construction of simulation tool for BIST (build in self test) structures verifying and optimization was described in the paper. This tool uses ISCAS'89 benchmarks as testing circuits. Any testing structures for single and multimodular circuits can be described by means of this tool. Form of testing structures notation is similar to attribute format of VHDL language. Because of large generality this tool is used in process of testing structure verification. A short example of testing structure description was presented in the paper.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133067862","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
Unity Power Factor Operation of Three-Phase PWM Rectifier Based on Direct Power Control 基于直接功率控制的三相PWM整流器的统一功率因数运行
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400552
A. Bouafia, J. Gaubert, F. Krim, A. Chaoui
{"title":"Unity Power Factor Operation of Three-Phase PWM Rectifier Based on Direct Power Control","authors":"A. Bouafia, J. Gaubert, F. Krim, A. Chaoui","doi":"10.1109/EURCON.2007.4400552","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400552","url":null,"abstract":"In this paper, direct power control (DPC) of three-phase PWM rectifiers is presented, without line voltage sensors. The controller builds upon the ideas of the well known direct torque control (DTC) for induction motors. In our case, the active and reactive powers replace the torque and flux amplitude used as controlled output in DTC. The instantaneous active and reactive powers, directly controlled by selecting the optimum state of the converter, are used as the PWM control variables instead of the phase line currents being used. The controller ensures a good regulation of the output voltage, and guarantees the power factor close to one. The proposed controller was tested both in simulation and experimentally. The results show the excellent performance of the proposed system such as a good dynamic behavior, a good rejection of impact load disturbance.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133586607","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: 9
Inductive Power Supply System with Fast Full-Duplex Information Rate Device 基于快速全双工信息速率装置的感应供电系统
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400400
K. Shyu, Ko-Wen Jwo, Zhengquan Chen, C. Lo
{"title":"Inductive Power Supply System with Fast Full-Duplex Information Rate Device","authors":"K. Shyu, Ko-Wen Jwo, Zhengquan Chen, C. Lo","doi":"10.1109/EURCON.2007.4400400","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400400","url":null,"abstract":"This study establishes an intelligent battery charging system using inductive transmission of power and fast full-duplex information. The inductive charging system improves the drawback like failure connection, sparking and the risk of electrical shock of the conventional charging system. Inductive transmission of power and information has the advantages of safety, reliability, and convenience. The power and information are simultaneously transferred through one ferrite core. That means the photo coupler that is used to transfer the voltage or current signal to primary to control the output voltage is replaced by the full-duplex information transmission system with the bidirectional Amplitude Shift Keying (ASK) signal In the proposed inductive charging system, the information transmission speed is bounded by the switching frequency for the power transmission. Therefore, the information transmission speed is the main issue in this thesis. The proposed information transmission wouldn't be interfered by the power transmission and the transmission speed can achieve over 200 kbps that is twice more than other inductive charging system. The feedback signal from the secondary to the primary is not only used to control the output voltage, but also used to detect the length of air gap.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133341286","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: 8
An Agent Based Framework to Monitor and Control High Performance Data Transfers 基于代理的高性能数据传输监控框架
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400498
C. Dobre, R. Voicu, A. Muraru, I. Legrand
{"title":"An Agent Based Framework to Monitor and Control High Performance Data Transfers","authors":"C. Dobre, R. Voicu, A. Muraru, I. Legrand","doi":"10.1109/EURCON.2007.4400498","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400498","url":null,"abstract":"We present a distributed agent based system used to monitor, configure and control complex, large scale data transfers in the wide area network. The localhost information service agent (LISA) is a lightweight dynamic service that provides complete system and applications monitoring, is capable to dynamically configure system parameters and can help in optimizing distributed applications. As part of the MonALISA (monitoring agents in a large integrated services architecture) system, LISA is an end host agent capable to collect any type of monitoring information, to distribute them, and to take actions based on local or global decision units. The system has been used for the bandwidth challenge at supercomputing 2006 to coordinate global large scale data transfers using fast data transfer (FDT) application between hundreds of servers distributed on major grid sites involved in processing high energy physics data for the future large hadron collider experiments.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132146614","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
Simulation of Jumps in the Power Characteristic of a Quasi-Active Microwave Limiter Based on P-I-N Diodes 基于P-I-N二极管的准有源微波限幅器功率特性跳变仿真
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400267
G. Garber
{"title":"Simulation of Jumps in the Power Characteristic of a Quasi-Active Microwave Limiter Based on P-I-N Diodes","authors":"G. Garber","doi":"10.1109/EURCON.2007.4400267","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400267","url":null,"abstract":"The reason for jumps observed in the experimental input-output power characteristic of a GaAs integrated limiter with a 1.8-mum-thick i-layer at a frequency of 9.4 GHz is found. The simulation is carried out in the time domain by numerically solving an initial-value problem for a nonlinear system of equations describing the electrical circuit of the limiter. A model of nonlinear elements, catching and detecting diodes, includes the drift-diffusion model and the equation for total current. It is shown that the dependence of the amplitude of the basic harmonic of the current through the diode on the amplitude of the basic harmonic of the voltage across the diode represents an S-shaped curve and that it is such a shape of this curve for the detecting diode that is responsible for the output power jumps. The simulation results for the limiter with a 1.2-mum-thick i-layer at frequencies of 3, 9.4, and 25 GHz are also presented. The amplitude modulation of the output signal at 25 GHz is observed.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134458790","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
Power System Stability Improvement Using Self-Tuning Fuzzy Logic Controlled STATCOM 利用自整定模糊逻辑控制STATCOM提高电力系统稳定性
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400598
A. Ghafouri, M. Zolghadri, M. Ehsan
{"title":"Power System Stability Improvement Using Self-Tuning Fuzzy Logic Controlled STATCOM","authors":"A. Ghafouri, M. Zolghadri, M. Ehsan","doi":"10.1109/EURCON.2007.4400598","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400598","url":null,"abstract":"This paper presents the application of a fuzzy logic controlled Static Compensator (STATCOM) to improve stability of power system. The nonlinear fuzzy logic controller is used to overcome the problems generated by different uncertainties exist in power systems. Different input variables are used to design the controller. Parameters of the proposed controller are adjusted by means of Neural Network techniques to improve performance of the system. Proposed controller is implemented on a single machine infinite bus system to confirm the performance of the controller through simulation results.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131333300","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: 12
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