2008 11th International Conference on Optimization of Electrical and Electronic Equipment最新文献

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A switched reluctance motor drive model using standard simulink library components 一个使用标准simulink库组件的开关磁阻电机驱动模型
O. Cornea, D. Popovici, A. Argeseanu
{"title":"A switched reluctance motor drive model using standard simulink library components","authors":"O. Cornea, D. Popovici, A. Argeseanu","doi":"10.1109/OPTIM.2008.4602459","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602459","url":null,"abstract":"This paper is focused on using standard library components (models for power diodes and switches, current sources, voltage sources) in conjunction with the experimental determined characteristics of the motor to model a switched reluctance motor drive. The incremental inductance is modeled as a current source and the back emf is modeled as a voltage source. The model can be used to simulate four-quadrant operation of a switched reluctance motor drive. The experiments made on a fractional horsepower motor drive are in agreement with the simulation results.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129359611","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
Analytical estimation of the electric currents in the elementary conductors of a Roebel bar 罗贝尔棒基本导体电流的分析估计
T. Dordea, I. Torac, G. Madescu, M. Mot, L. Ocolişan
{"title":"Analytical estimation of the electric currents in the elementary conductors of a Roebel bar","authors":"T. Dordea, I. Torac, G. Madescu, M. Mot, L. Ocolişan","doi":"10.1109/OPTIM.2008.4602383","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602383","url":null,"abstract":"The paper presents a method for the calculus of the currents in the elementary conductors and the additional winding losses for high power a.c. machines. The accuracy method estimation and the results for a hydro-generator of 216 MW validate the proposed method for the design of the Roebel bars.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124986251","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
Power network current protection based on a predictive algorithm 基于预测算法的电网电流保护
C. Zoller, M. Cernat, R. Dobra
{"title":"Power network current protection based on a predictive algorithm","authors":"C. Zoller, M. Cernat, R. Dobra","doi":"10.1109/OPTIM.2008.4602358","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602358","url":null,"abstract":"The paper presents a new predictive algorithm for the control and protection of electric power networks that will be implemented In switching power equipment for hazardous areas in potentially explosive atmosphere. Simulated model using HPVEE Pro6 software and microcontroller CY8C29466 hardware Implementation were designed to work with the predictive algorithm.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131492069","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
Embedded system design for field-oriented stepper motor control 面向磁场的步进电机控制的嵌入式系统设计
C. Rusu, E. Szoke
{"title":"Embedded system design for field-oriented stepper motor control","authors":"C. Rusu, E. Szoke","doi":"10.1109/OPTIM.2008.4602500","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602500","url":null,"abstract":"The motivation of this work is to make a library for an embedded system useful in implementing of the field-oriented PM stepper motor control. The tool is based on DSP processor board, a hardware component oriented for embedded applications and Matlab/Simulink environment. Matlab is a standard in rapid prototyping of the control applications, but it doesn't have an adequate hardware support. The target controller is connected via serial port to the host PC computer. An integrated development toolbox having a distributed nature and real-time requirements was developed. It is useful for Rapid Control Prototyping and for Hardware-in-the-Loop Simulations. The full functionality of Matlab/Simulink can be used for parameter's visualization without interrupting or impeding the real time control process of the embedded microcontroller. Finally, the field-oriented for a two-phase PM stepper motor application is presented in order to demonstrate the effectiveness for this real time embedded controller.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130197884","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
Neural control based on RBF network implemented on FPGA 基于RBF网络的神经控制在FPGA上实现
S. Brassai, L. Bakó, G. Pana, S. Dan
{"title":"Neural control based on RBF network implemented on FPGA","authors":"S. Brassai, L. Bakó, G. Pana, S. Dan","doi":"10.1109/OPTIM.2008.4602496","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602496","url":null,"abstract":"The RBF radial basis function network is intended especially for hardware implementation and this type of network is used successfully in the areas of robotics and control, where the real time capabilities of the network are of particular importance. The implementation of neural networks on FPGA has several benefits, with emphasis on parallelism and the real time capabilities. This paper discusses the hardware implementation of the RBF type neural network, the architecture and parameters and the functional modules of the hardware implemented neuro-processor.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122020127","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
Optimal Overcurrent relays coordination using genetic algorithm 基于遗传算法的过流继电器优化协调
M. Asadi, H. Askarian Abyaneh, M. Mahmoodan, R. Naghizadeh, A. Koochaki
{"title":"Optimal Overcurrent relays coordination using genetic algorithm","authors":"M. Asadi, H. Askarian Abyaneh, M. Mahmoodan, R. Naghizadeh, A. Koochaki","doi":"10.1109/OPTIM.2008.4602366","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602366","url":null,"abstract":"For optimal co-ordination of overcurrent (OC) relays, linear programming techniques such as simplex, two- phase simplex and dual simplex are used. Another way of optimal coordination program is using artificial intelligent system such as genetic algorithm (GA). In this paper a new approach will be used for optimal coordination of OC relays based on genetic algorithm. In this work we take into account both time setting multiplier (TSM) and plug setting multiplier (PSM) of OC relays in optimization procedure. Most OC relays accept only discrete values as TSM and PSM, and you should change your final answers to discrete form and this may corrupt the optimization. In this paper the act of quantizing the answers is taken into account as a part of optimization procedure, so the outputs are optimized discrete TSM's and PSM's. The novelty of the paper is taking into account the PSM in addition to TSM to handle miscoordination problems both for continues and discrete TSM and PSM. The results obtained are quite encouraging and will be useful as an effective tool for coordination OC relays.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123816307","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: 19
Application of analytical method in the evaluation of induction motors bearings’ reliability 解析法在异步电动机轴承可靠性评价中的应用
M. Filip, D. Luculescu
{"title":"Application of analytical method in the evaluation of induction motors bearings’ reliability","authors":"M. Filip, D. Luculescu","doi":"10.1109/OPTIM.2008.4602488","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602488","url":null,"abstract":"In this work is presented an analytical method of determining the provisional reliability of the bearings used in bearing of asynchronous electric motors' axles. The durability of the bearings is limited by \"hereditary\" factors such designing, technology, material, assembly, and also by factors of their use, for example the bearings loads, respectively the quality of lubricant. The evaluation of reliability of the bearings represents, in general, an initial stage in the calculation of the reliability of component elements of a complex electro-mechanic system, namely of an induction motor. The proposed model for evaluation of provisional reliability represents a logical continuation of the main stages that are performed in designing of a bearing assembly, and that has as basis the probability theory and the mathematical statistics methods, proper to the random character of the materials' properties, variation of the stresses and proper to the component elements dimensions.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126614337","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 sampling method for reduction of power in battery operated receivers 一种用于降低电池供电接收机功率的采样方法
D. Murali, N. Ida
{"title":"A sampling method for reduction of power in battery operated receivers","authors":"D. Murali, N. Ida","doi":"10.1109/OPTIM.2008.4602497","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602497","url":null,"abstract":"The use of low power UHF wireless links is prevalent in a variety of battery operated devices including remote entry systems and control in both industrial and consumer applications. Much effort has been invested in reducing power consumption, especially in receivers for applications in which the receiver must be on at all times. Commercial devices can be obtained that consume only a few mA in continuous operation. In addition, methodologies such as poling and power cycling have been deviced to further reduce power consumption in receivers. Nevertheless, none of these methods is sufficient for truly low power needs such as in inaccessible sensors or embedded active RFID systems. The current work describes a simple method of power reduction that relies on sampling the receiver's output for extremely short periods and turning the receiver on only when data is present. Otherwise the receiver is in an off mode. Power reductions attainable using the methods and circuits described here are far beyond what can be achieved using traditional methods. Circuits and power budgets for some existing UHF receivers are given as examples.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121494706","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
25 kW, 15 krpm, 6/4 PMSM: Optimal design and torque pulsation reduction via FEM 25kw, 15krpm, 6/4永磁同步电机:通过FEM优化设计和扭矩脉动减小
V. Gradinaru, L. Tutelea, I. Boldea
{"title":"25 kW, 15 krpm, 6/4 PMSM: Optimal design and torque pulsation reduction via FEM","authors":"V. Gradinaru, L. Tutelea, I. Boldea","doi":"10.1109/OPTIM.2008.4602374","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602374","url":null,"abstract":"In these days, the choice of the right motor topology for industrial applications and household electrical appliances is a challenging quest. Since universal motors can not meet the ever-growing standards of electrical equipment design, new generations of electric machines compete to conquer this market. For industrial applications and home appliances, PMSMs seem to be the most fitted solution, especially at high speed operation. In this paper, a 25 kW, 15 krpm, 6/4 PMSM is presented and analyzed via FEM, as a cost effective solution. Optimal design through Hooke-Jeeves method is; presented. The problem of cogging torque reduction is discussed and several techniques are used to reduce total torque pulsations. Results obtained via FEM are analyzed, in order to apply the best technique for our case, without compromising design requirements, low manufacturing costs and high efficiency.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133619463","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
Novel motion sensorless control of high-speed small-power surface mount PMSM drives: With experiments 新型无运动传感器高速小功率表面贴装永磁同步电机驱动控制:实验
R. Ancuji, I. Boldea, G. Andreescu, D. Iles-Klumpner
{"title":"Novel motion sensorless control of high-speed small-power surface mount PMSM drives: With experiments","authors":"R. Ancuji, I. Boldea, G. Andreescu, D. Iles-Klumpner","doi":"10.1109/OPTIM.2008.4602451","DOIUrl":"https://doi.org/10.1109/OPTIM.2008.4602451","url":null,"abstract":"Cost and reliability reasons lead to motion sensorless control of high speed PMSM drives. This paper introduces a novel emf based observer for rotor position and speed estimation that provides very fast starting from pre-produced zero initial position (less than 100 milliseconds from zero to 10 krpm in a 750 W surface PMSM) with very good dynamics response to large step torque perturbations. Implementations and test results fully validate the proposed control solution.","PeriodicalId":244464,"journal":{"name":"2008 11th International Conference on Optimization of Electrical and Electronic Equipment","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2008-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130324332","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
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