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

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Current-mode CMOS adders using multiple-valued logic 使用多值逻辑的电流模式CMOS加法器
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548069
B. Radanović, M. Syrzycki
{"title":"Current-mode CMOS adders using multiple-valued logic","authors":"B. Radanović, M. Syrzycki","doi":"10.1109/CCECE.1996.548069","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548069","url":null,"abstract":"In this paper we report on initial development stages of two designs of current-mode multiple-valued logic (CMMVL) adders utilizing a positive digit (PD) number representation. The first design is the adder cell that uses the radix-2 algorithm and seven levels of current, fabricated in 0.8 /spl mu/m CMOS technology, with a unit current step of 12 /spl mu/A. The second design is a 4-digit decimal adder that uses a standard algorithm for adding decimal numbers represented by 10 current levels, with a unit current step equal to 1 /spl mu/A, fabricated in 1.5 /spl mu/m CMOS technology. The adder requires 4 input terminals compared to 10 terminals necessary for the same function implemented in binary logic.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"2003 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":"116893392","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: 36
An effective approach for optimal design of fuzzy controllers 一种有效的模糊控制器优化设计方法
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548210
F. Ashrafzadeh, E. Nowicki, M. Mohammadian, J. Salmon
{"title":"An effective approach for optimal design of fuzzy controllers","authors":"F. Ashrafzadeh, E. Nowicki, M. Mohammadian, J. Salmon","doi":"10.1109/CCECE.1996.548210","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548210","url":null,"abstract":"The novel approach described in this paper represents a substantial departure from the complexity and consequent difficulties involved in the optimal design of fuzzy controllers. By reducing the number of design parameters of a fuzzy controller, the search in a hyperspace of 94 dimensions will collapse into a search in a space of 7 dimensions. In this way, a significant enhancement can be achieved in terms of mathematical simplification, time and efficiency. The proposed approach can still control a given system with a performance index very close to that obtained by full optimization. In this paper, the conventional design of fuzzy controllers is first reviewed. The problems associated with such design are then addressed. A novel view to the decision table allows the designer to come up with an efficient coding approach for the fuzzy controller. Based on such efficient coding, a genetic algorithm is then employed to find the free parameters of the decision table. To examine the efficiency of the proposed approach, an optimal fuzzy controller is designed based on this technique and the results are compared with those obtained by full optimization as well as conventional approaches.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"6 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":"116921465","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
An integrated medium voltage (2300 V-6900 V) AC drive/VAr compensator 集成中压(2300 V-6900 V)交流驱动/VAr补偿器
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548231
N. Zargari, S. Rizzo
{"title":"An integrated medium voltage (2300 V-6900 V) AC drive/VAr compensator","authors":"N. Zargari, S. Rizzo","doi":"10.1109/CCECE.1996.548231","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548231","url":null,"abstract":"This paper proposes an integrated AC drive/VAr compensator system which uses information available from the AC drive control boards to generate the reference waveforms for the SVC, hence achieving faster response times to transients. The paper also investigates the device ratings required for the proposed medium voltage AC drive/SVC system and means of connection to AC mains. Various front end rectifiers (different levels of VAr/harmonic compensation) are studied and their effects on the switch ratings are compared. Simulation results are obtained to confirm theoretical derivations.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"12 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":"116636431","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
Equalisation in a multi-carrier code division multiple access multi-rate system 多载波码分多址多速率系统中的均衡
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548075
L. Freiberg, Won-Sik Youn, V. Bhargava
{"title":"Equalisation in a multi-carrier code division multiple access multi-rate system","authors":"L. Freiberg, Won-Sik Youn, V. Bhargava","doi":"10.1109/CCECE.1996.548075","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548075","url":null,"abstract":"This paper analyses the feasibility of applying MC-CDMA to the cellular wireless environment of future generations of multi-rate personal communications systems (PCS). An efficient equalisation approach is analysed that incorporates a channel sounding sequence with each transmitted OFDM block. Simulation results for the system are presented using a Walsh-Hadamard code and an equalisation method suitable to a both time and frequency selective PCS environment.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"31 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":"115488939","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 configuration independent substation switching scheme 一种与配置无关的变电站交换方案
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548053
M. S. Sachdev, P. Dhakal, T. S. Sidhu
{"title":"A configuration independent substation switching scheme","authors":"M. S. Sachdev, P. Dhakal, T. S. Sidhu","doi":"10.1109/CCECE.1996.548053","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548053","url":null,"abstract":"Substations differ greatly in their configurations, sizes and importance. Substation switching schemes are, therefore, designed and developed separately for each substation. This paper describes a digital computer based substation switching scheme that can be employed in different configurations of substations. The scheme is applicable to substations of all practical configurations. It also considers factors such as, generation and load balance, ratings of equipment and continuity of power supply.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"20 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":"114753608","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
Multirate discretization of analog controllers 模拟控制器的多速率离散化
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548213
N. Rafee, Tongwen Chen, O. Malik
{"title":"Multirate discretization of analog controllers","authors":"N. Rafee, Tongwen Chen, O. Malik","doi":"10.1109/CCECE.1996.548213","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548213","url":null,"abstract":"Two approaches are discussed for multirate discretisation of analog controllers: the first one allows an easy extension of any conventional single-rate discretization method; and the second one is based on an optimal multirate digital redesign, considering both the closed-loop stability and performance. A design procedure is given for the second approach using H/sub 2/ optimization with a causality constraint.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"9 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":"126661633","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
Transformer modeling as applied to differential protection 变压器建模应用于差动保护
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548050
A. Guzman, D. Hou, S. Zocholl
{"title":"Transformer modeling as applied to differential protection","authors":"A. Guzman, D. Hou, S. Zocholl","doi":"10.1109/CCECE.1996.548050","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548050","url":null,"abstract":"This paper presents a power transformer model to evaluate differential element performance. The paper analyzes transformer energization, overexcitation, external fault and internal fault conditions with this model. Test results with an actual transformer validate the model. The paper includes a guide for properly selecting current transformers for differential protection applications. Accurate power transformer modeling and proper current transformer selection leads to improved transformer protection.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"61 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":"126797949","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: 32
Economic impact of nonutility generation on hydrothermal systems with variable head hydro units 非公用发电对变水头水力机组热液系统的经济影响
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548122
Rajesh K. Gupta, N. Chowdhury, R. Billinton
{"title":"Economic impact of nonutility generation on hydrothermal systems with variable head hydro units","authors":"Rajesh K. Gupta, N. Chowdhury, R. Billinton","doi":"10.1109/CCECE.1996.548122","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548122","url":null,"abstract":"Nonutility generation (NUG) has become a major consideration in the energy planning of most utilities in North America. For an effective relationship, both parties need to consider the economical and technical interface issues that impact planning and operation. The buyback rate that a utility uses to pay for the energy in the short term is evaluated based on the avoided operating cost (AOC). A technique has been presented in this paper that can be utilized to evaluate the AOC in a variable head hydrothermal system. This technique is based on the optimal operation of the hydrothermal system both before and after the utilization of NUG energy. The IEEE-RTS has been utilized to provide some numerical examples. Some sensitivity studies have been performed and the results are discussed in the paper.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"98 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":"126049507","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
Obstacle-imposed constraints on the motion of manipulators in the work space 在工作空间中，障碍物对机械手运动的约束
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548219
C.S. Zhao, M. Bayoumi, M. Farooq
{"title":"Obstacle-imposed constraints on the motion of manipulators in the work space","authors":"C.S. Zhao, M. Bayoumi, M. Farooq","doi":"10.1109/CCECE.1996.548219","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548219","url":null,"abstract":"Obstacles within a robot's work space impose constraints on the motion of the robot. These motion constraints have to be taken into account during the collision-free path planning process. We investigate the problem of representing these motion constraints in the robot's work space. In general, these motion constraints could be placed on any part of the robot. We present a novel approach to transfer all these motion constraints on the end effector of the robot. Therefore, planning the motion for any complex robot can be treated as planning the motion for its end effector. The main advantage of this technique is that the motion planning problem can be solved in a lower dimensional work space rather than in a high dimensional configuration.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"5 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":"121578187","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 neural-network-based approach for fault classification and faulted phase selection 基于神经网络的故障分类和故障相位选择方法
Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering Pub Date : 1996-05-26 DOI: 10.1109/CCECE.1996.548117
W. Al-hassawi, N.H. Abbasi, M. Mansour
{"title":"A neural-network-based approach for fault classification and faulted phase selection","authors":"W. Al-hassawi, N.H. Abbasi, M. Mansour","doi":"10.1109/CCECE.1996.548117","DOIUrl":"https://doi.org/10.1109/CCECE.1996.548117","url":null,"abstract":"This paper is concerned with a new approach for fault type classification and faulted phase selection based on artificial neural networks (ANN) to be used for power transmission line protection. The proposed approach is based on a 2-level hierarchical neural network structure. Compared to other architectures, this structure would have a high learning ability and accordingly higher recall accuracy. To reach the corresponding decision, the normalized changes from prefault condition in the instantaneous phase voltages and currents at the relaying point are used. This would lead to an inherent adaptive feature of the approach.","PeriodicalId":269440,"journal":{"name":"Proceedings of 1996 Canadian Conference on Electrical and Computer Engineering","volume":"12 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":"126329561","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
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