Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)最新文献

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A new technique for detection and location of arcing faults in power system apparatus 电力系统设备电弧故障检测与定位新技术
T. S. Sidhu, G. Singh, M. S. Sachdev
{"title":"A new technique for detection and location of arcing faults in power system apparatus","authors":"T. S. Sidhu, G. Singh, M. S. Sachdev","doi":"10.1109/CCECE.1998.682713","DOIUrl":"https://doi.org/10.1109/CCECE.1998.682713","url":null,"abstract":"A technique that detects an arcing fault in power apparatus is presented in this paper. It uses a PC based data acquisition system for detection of the arcing faults. It is shown that it is possible to determine its location in three dimensional space. The technique was implemented and tested in the laboratory. Some test results are also included in the paper. The proposed technique can be used to protect power system equipment, such as transformers, inductors, capacitors etc.","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114271812","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
Wireless point of sale terminal for credit and debit payment systems 用于信用卡和借记卡支付系统的无线销售点终端
A. Zdravković
{"title":"Wireless point of sale terminal for credit and debit payment systems","authors":"A. Zdravković","doi":"10.1109/CCECE.1998.685641","DOIUrl":"https://doi.org/10.1109/CCECE.1998.685641","url":null,"abstract":"Electronic POS (point of sale) systems process credit and debit card payments. While the credit card transaction can be processed off line, debit card processing is performed strictly on line. Lack of an on line authorization mechanism restricts remote customer oriented services, like delivery applications, to low amount credit card transactions. Debit is not even considered as an option for remote customer services. All this is due to the lack of POS terminals to acquirer host connectivity. Wireless communication presents a viable alternative to the problem of merchant to acquirer connectivity. Portable hand held wireless POS terminals enable merchants to provide on line debit and credit payment option at the point of service, as opposed to the dedicated location with the cash register installation. Wireless POS is completely changing the operating mode of the mobile service industries, like taxi, courier, delivery and limousine services. One design approach to wireless POS systems for wireless LAN and wireless WAN is presented. An introduction to credit and debit card processing is included and the conventional POS shortcomings and the new business solutions based on the application of wireless POS technology are presented. The description of the integrated wireless POS terminal focuses on the communication requirements for POS processing.","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114824055","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
Power quality issues and their mitigation at a man-made fibre plant 人造纤维厂的电能质量问题及其缓解措施
M. Wagner
{"title":"Power quality issues and their mitigation at a man-made fibre plant","authors":"M. Wagner","doi":"10.1109/CCECE.1998.682553","DOIUrl":"https://doi.org/10.1109/CCECE.1998.682553","url":null,"abstract":"Supply side and user side power quality problems have a large influence on the uptime of spinning plants. This application paper covers some of the concerns and the means to overcome the problems. In general stored energy is used to ride through the disturbance or the system is automatically restarted once the disturbance is over.","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"129 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114678203","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
Categorizing Web pages using modified ART 使用修改后的ART对Web页面进行分类
N. Vlajic, H. Card
{"title":"Categorizing Web pages using modified ART","authors":"N. Vlajic, H. Card","doi":"10.1109/CCECE.1998.682747","DOIUrl":"https://doi.org/10.1109/CCECE.1998.682747","url":null,"abstract":"This paper describes a modified term-frequency/inverse document-frequency model together with a modified adaptive resonance theory algorithm, incorporated into an autonomous agent for rapid and accurate hypertext clustering. The agent has been implemented in Java, and tested on various Web data collections.","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122034356","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: 16
Application of adaptive backstepping to the stabilization of the inverted pendulum 自适应反演在倒立摆稳定中的应用
A. Benaskeur, A. Desbiens
{"title":"Application of adaptive backstepping to the stabilization of the inverted pendulum","authors":"A. Benaskeur, A. Desbiens","doi":"10.1109/CCECE.1998.682564","DOIUrl":"https://doi.org/10.1109/CCECE.1998.682564","url":null,"abstract":"In this paper we propose a nonlinear Lyapunov-based controller to stabilize the famous cart-pole system. The novelty is in the use of a two-loop cascade controller. The inner loop uses an adaptive nonlinear controller, obtained by the backstepping recursive approach. It ensures the stabilization and the convergence towards zero of the angle tracking error and the (unknown) rod length estimation error. The reference signal to be tracked by the angle is generated by the outer loop linear controller. The controlled part of the system (rod angle) has thus a quasi-linear dynamics, which can be modeled by a double-integration with a variable gain. An indirect MRA controller is used to compensate the outer loop (cart position).","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124956502","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: 44
Design of a robust speed controller for a compressor driven by a field oriented controlled induction motor 磁场定向感应电机驱动压缩机的鲁棒速度控制器设计
A. Chu, E. P. Nowicki, Tongwen Chen
{"title":"Design of a robust speed controller for a compressor driven by a field oriented controlled induction motor","authors":"A. Chu, E. P. Nowicki, Tongwen Chen","doi":"10.1109/CCECE.1998.685538","DOIUrl":"https://doi.org/10.1109/CCECE.1998.685538","url":null,"abstract":"For achieving matched flow conditions in a natural gas processing plant, the design of a robust speed controller for a compressor driven by a field oriented controlled induction motor is presented. It is shown that the torque disturbance rejection can best be handled by the incorporation of a massive flywheel. The objective of the speed controller is therefore to provide robust command tracking in the presence of the uncertainties. The robust controller is obtained by loop shaping in the frequency domain. The robust performance criteria is shown to be satisfied by the resulting controller. Finally, time domain simulations are performed to show that the compressor speed and actuator signal are within posed constraints.","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123789668","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
A low cost on-off modulated power filter for single phase motorized loads 用于单相电动负载的低成本开关调制电源滤波器
A. Sharaf, R. Chalet
{"title":"A low cost on-off modulated power filter for single phase motorized loads","authors":"A. Sharaf, R. Chalet","doi":"10.1109/CCECE.1998.685634","DOIUrl":"https://doi.org/10.1109/CCECE.1998.685634","url":null,"abstract":"The paper presents a flexible low cost on-off modulated power filter (MPF) for power quality (PQ) enhancement and electric energy conservation of motorized single phase in-rush type, quasidynamic mechanical loads. These nonlinear type loads are typical of ventilation, air conditioning, pumping and other small scale industries such as sewing, shear and press machinery and food processing plants. The proposed low cost on/off triac switched filter scheme (US patent pending) can be switched by either a dynamic RMS current tracking or harmonic ripple regulation controller.","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125512238","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: 10
Implementation and evaluation of an accurate real-time voiceband signal classifier 一个精确的实时语音波段信号分类器的实现和评估
B. Cockburn, D.P. Sarda
{"title":"Implementation and evaluation of an accurate real-time voiceband signal classifier","authors":"B. Cockburn, D.P. Sarda","doi":"10.1109/CCECE.1998.682569","DOIUrl":"https://doi.org/10.1109/CCECE.1998.682569","url":null,"abstract":"This paper describes the implementation and resulting accuracy of an economical voiceband signal classifier developed for use in the public switched telephone network. Companded digital signals are extracted from a 1.544 Mbps T1 digital trunk and then classified into either silence or twelve other active categories, including speech, four classes of data modem, three classes of fax, random binary data, fax signalling, ringback signal, and dual tone multifrequency (DTMF) digits. The classifier first derives from the baseband signal in each channel the central second-order moment and the first ten lags of the autocorrelation sequence, all normalized with respect to average power. Avoiding demodulation and Fourier transform steps in the classification process permits linear and quadratic discriminant functions to be computed in real time for all 24 T1 channels. Classification accuracies are reported for statistically optimal linear discriminant functions over classification intervals ranging from 31.5 to 256.5 ms. Also given are the greater accuracies achievable using statistically optimal quadratic discriminant functions and an automatically trained decision tree known as an adaptive logic network (ALN).","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131720153","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
Development of a single-phase inverter for small wind turbines 小型风力发电机单相逆变器的研制
T. Boutot, Liuchen Chang
{"title":"Development of a single-phase inverter for small wind turbines","authors":"T. Boutot, Liuchen Chang","doi":"10.1109/CCECE.1998.682745","DOIUrl":"https://doi.org/10.1109/CCECE.1998.682745","url":null,"abstract":"This paper reports the development of a single-phase, delta modulated IGBT inverter for wind energy conversion applications.","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128260104","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: 27
Hierarchical methods for global-scale estimation problems 全局尺度估计问题的层次方法
P. Fieguth, M. Allen, M. J. Murray
{"title":"Hierarchical methods for global-scale estimation problems","authors":"P. Fieguth, M. Allen, M. J. Murray","doi":"10.1109/CCECE.1998.682707","DOIUrl":"https://doi.org/10.1109/CCECE.1998.682707","url":null,"abstract":"There is a substantial signal-processing challenge associated with large-scale (especially global-scale) remote-sensing problems: solving the statistical inverse problem (i.e. deducing the properties of the sensed field from measurements) by brute force, that is by covariance matrix inversion, is completely impractical for fields involving millions of pixels. This paper reports on the ongoing development of an alternative technique, in which the statistical problem is modeled on a multiscale tree, applied to estimating sea-surface temperature (SST) based on infrared radiance observations from the along-track scanning radiometers (ATSRs).","PeriodicalId":177613,"journal":{"name":"Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129867851","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
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