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Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering最新文献

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Computer simulation of protective relay designs for evaluating their performance [in power systems] 评定保护继电器性能的计算机模拟[电力系统]
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548254
T. S. Sidhu, M. S. Sachdev, M. Hfuda
{"title":"Computer simulation of protective relay designs for evaluating their performance [in power systems]","authors":"T. S. Sidhu, M. S. Sachdev, M. Hfuda","doi":"10.1109/CCECE.1996.548254","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548254","url":null,"abstract":"This paper describes techniques for computer simulation of protective relays so that their performance can be evaluated for a variety of situations without their actual use. Procedures for modeling microprocessor-based relay components, such as A/D converters and relay software, are discussed. The effectiveness of the proposed modeling is illustrated by simulating three designs of an overcurrent relay. Experimental results obtained from a frequency relay are compared with those from its computer simulation. A comparison of these results indicate that it is possible to accurately simulate the relay designs using a computer.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115252344","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
An adaptive neurocontroller for speed control of a synchronous generator 同步发电机速度控制的自适应神经控制器
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548220
S. Z. Ao, K. Bollinger
{"title":"An adaptive neurocontroller for speed control of a synchronous generator","authors":"S. Z. Ao, K. Bollinger","doi":"10.1109/CCECE.1996.548220","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548220","url":null,"abstract":"Neural networks have shown great promise in many areas of engineering. In this paper, we present a newly designed neural control system that consists of three neural networks cascaded together, one representing the inverse model of the speed-governing and turbine system, another identifying the dynamics of the synchronous generator, and a third being part of the controller. The inverse model is achieved with a multilayer feedforward neural network trained in batch mode through back-propagation learning. Once the network is trained, its weights and biases will be fixed. The dynamics of the synchronous generator is identified on-line while the generator is operating. The weights of the neurocontroller are determined by sweeping back the control error. Usually this updating process has a lower frequency than the identification process to ensure the stability of the entire control system. The neurocontroller was applied to a multi-machine power system and some simulated results are presented.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121657306","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
False alarm generation for simulation of shipborne radar tracking 舰船雷达跟踪仿真中的虚警生成
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548244
D. Dion, N. Duclos-Hindié, É. Bossé, J. Roy
{"title":"False alarm generation for simulation of shipborne radar tracking","authors":"D. Dion, N. Duclos-Hindié, É. Bossé, J. Roy","doi":"10.1109/CCECE.1996.548244","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548244","url":null,"abstract":"This paper presents a model for generating radar false alarms for panoramic radar in maritime environments in a realistic manner. False alarms as caused by system noise and sea-clutter are considered.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122520891","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
CAD for designing high frequency amplifiers 高频放大器的CAD设计
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548056
L. Hernández, V. Brazon, B. Allocca, D. Marcano
{"title":"CAD for designing high frequency amplifiers","authors":"L. Hernández, V. Brazon, B. Allocca, D. Marcano","doi":"10.1109/CCECE.1996.548056","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548056","url":null,"abstract":"To develop a software to design high frequency amplifiers is the purpose of this work. The aspects to consider basically are: the amplifier stability and the desired power gain. The design is made using a single stage active device whose scattering [s] or short circuit [y] two port network parameters are known at the operating frequency. The main advantage of this software is its ease of use, its graphical power and its capability of offering interactive solutions.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"186 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131535796","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
Singularity processing of nonstationary signals 非平稳信号的奇异性处理
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548246
A. Langi, W. Kinsner
{"title":"Singularity processing of nonstationary signals","authors":"A. Langi, W. Kinsner","doi":"10.1109/CCECE.1996.548246","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548246","url":null,"abstract":"This paper presents a new approach in processing nonstationary signals-such as speech signals and images-through singularity characterization. In this approach, we associate a singular measure /spl mu//sub f(t/) (r) with a transient at time t of a signal f(t) (where a real number r>0 is a time perturbation around t) and use the singularity behaviour of the measure for the characterization of the signal nonstationarity. The approach is capable of characterizing isolated transients through Holder exponents (or singularity strength), as well as mixture transients (e.g. singularity everywhere) through the concept of fractality and multifractality. The paper discusses the concept and the practicality of applying this approach to signals. The paper also shows that this approach can provide a unifying framework for previously published work on applying nonlinear, chaotic, fractal, and multifractal analysis to signals. We show that the main conceptual issue in applying fractality and multifractality to signals using this framework is the proper selection of signal measures.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131094056","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
Mechanical vibration analysis using an optical sensor 利用光学传感器进行机械振动分析
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548292
Fabien Claveau, Paul Fortier, Sylvain Lord, Denis Gingras
{"title":"Mechanical vibration analysis using an optical sensor","authors":"Fabien Claveau, Paul Fortier, Sylvain Lord, Denis Gingras","doi":"10.1109/CCECE.1996.548292","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548292","url":null,"abstract":"A laser-based contactless displacement measurement system developed at the National Optics Institute is used for data acquisition to analyze the mechanical vibrations exhibited by vibrating structures and machines. The analysis of these vibrations requires a number of signal processing operations which include the determination of the system conditions through a classification of various observed vibration signatures and the detection of changes in the vibration signature in order to identify possible trends. This information is also combined with the physical characteristics and contextual data (operating mode, etc.) of the system under surveillance to allow the evaluation of certain characteristics like fatigue, abnormal stress, life span, etc., resulting in a high level classification of mechanical behaviors and structural faults according to the type of application.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128076616","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
Dielectric resonator antennas as an alternative technology for PCS applications 介质谐振器天线作为pc应用的一种替代技术
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548290
M. Cuhaci, A. Ittipoboon, A. Petosa, D. Roscoe, N. Simons
{"title":"Dielectric resonator antennas as an alternative technology for PCS applications","authors":"M. Cuhaci, A. Ittipoboon, A. Petosa, D. Roscoe, N. Simons","doi":"10.1109/CCECE.1996.548290","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548290","url":null,"abstract":"This paper examines the use of dielectric resonator antennas (DRAs) as alternative radiators in personal communication system (PCS), covering frequencies from the L-band to the Ka-band (1 to 40 GHz), applications. The advantages and benefits of DRAs over conventional antennas are discussed and several examples are described.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133701729","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
Decentralised neural network control of magnetic bearings 磁轴承的分散神经网络控制
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548086
R. Zmood, Yuhong Jiang
{"title":"Decentralised neural network control of magnetic bearings","authors":"R. Zmood, Yuhong Jiang","doi":"10.1109/CCECE.1996.548086","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548086","url":null,"abstract":"This paper examines the application of artificial neural network techniques to the control of a magnetic bearing system. The application of the neural network control method to a magnetic bearing system with self-excited and forced disturbances is reviewed. In modelling the system, the shaft is first discretized into eighteen finite elements and then four levels of condensation are applied. This leads to a system with six masses and six compliant elements which can be described by twelve state variables. Two-layer neural networks have been used in the simulation work. The reinforcement, error-propagation, and temporal-difference methods have been used in the neural network controller. The simulation results show low sensitivity to external periodic disturbances can be achieved for speeds up to 3000 rpm using the proposed neural network controller.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133738598","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
Training of a neural network controller for indirect field orientation control 间接磁场定向控制的神经网络控制器的训练
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548228
M. Mohamadian, E. Nowicki, F. Ashrafzadeh, J. Salmon
{"title":"Training of a neural network controller for indirect field orientation control","authors":"M. Mohamadian, E. Nowicki, F. Ashrafzadeh, J. Salmon","doi":"10.1109/CCECE.1996.548228","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548228","url":null,"abstract":"This paper presents the design of an improved neural network controller for the stator current command in an indirect field oriented control system of an induction motor. This controller is superior to a previously proposed controller in that another step is added to the training of the neural network so that the controller is more stable and also the voltage feedbacks are eliminated. Also the number of neurons are reduced which helps practical implementation of the network.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134518467","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
Quantitative reliability assessment of electric power systems in developing countries 发展中国家电力系统的定量可靠性评估
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548124
R. Billinton, M. Pandey
{"title":"Quantitative reliability assessment of electric power systems in developing countries","authors":"R. Billinton, M. Pandey","doi":"10.1109/CCECE.1996.548124","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548124","url":null,"abstract":"Reliability of electric power supply is an important requirement in the modern world. Reliability is virtually taken for granted in most developed countries. This is not the case in a developing country where many projects compete for the available monetary resources. This paper illustrates how basic probabilistic techniques can be applied to generation and transmission system planning in a developing country. The concepts are illustrated by application to a model of the Nepal power system.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114245544","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
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