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Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics最新文献

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Design and implementation of three phase HIPWM inverters with instantaneous and average feedback 具有瞬时和平均反馈的三相HIPWM逆变器的设计与实现
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.338978
W. Tsai, York-Yih Sun
{"title":"Design and implementation of three phase HIPWM inverters with instantaneous and average feedback","authors":"W. Tsai, York-Yih Sun","doi":"10.1109/IECON.1993.338978","DOIUrl":"https://doi.org/10.1109/IECON.1993.338978","url":null,"abstract":"In this paper, the design and implementation of a harmonic injection pulsewidth modulation (HIPWM) inverter for three-phase uninterruptible power supply systems (UPS) to improve the DC bus voltage conversion factor is presented. A new control configuration with an instantaneous voltage feedback and average voltage feedback for the three-phase HIPWM inverter is proposed to obtain good static and dynamic performances. Three regulators, denoted ACR, DCR and DCB, are designed for the instantaneous voltage feedback, the averaged voltage feedback and cancelling the DC bias current in the isolation transformer, respectively. Finally, the proposed control configuration is verified both by simulation and experimental results in a SIMNON based computer program and a laboratory prototype system.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124432193","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 H-soft-switched cell for single-switch nonisolated DC-to-DC converters 用于单开关非隔离dc - dc转换器的h软开关单元
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.339125
Yu-Ming Chang, Jia-You Lee, W. Tsai, York-Yih Sun
{"title":"An H-soft-switched cell for single-switch nonisolated DC-to-DC converters","authors":"Yu-Ming Chang, Jia-You Lee, W. Tsai, York-Yih Sun","doi":"10.1109/IECON.1993.339125","DOIUrl":"https://doi.org/10.1109/IECON.1993.339125","url":null,"abstract":"An H-soft-switched cell is proposed in this paper for obtaining soft switching in single-switch nonisolated DC-to-DC power converters. The proposed H-soft-switched cell provides constant-frequency lossless switching. The H-soft-switching cell may be regarded as a switch whose control circuit is the same as the ones used in conventional PWM power converters. The voltage stresses of the switching elements are the same as the ones of the conventional PWM converters and the current stress of the switching elements can be designed a little greater than the ones of the conventional hard-switched PWM converters. Moreover, an average method for steady state analysis is proposed in this paper. An equivalent effective duty is submitted for simplifying the output voltage. Experimental results of an H-soft-switched buck converter are presented for verifying the proposed topologies and the analytical methods.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123181595","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
On the design of high frequency series resonant converters for induction heating applications 感应加热用高频串联谐振变换器的设计
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.339255
E. Dede, V. Esteve, J. Garcia, Á. Navarro, J. A. Carrasco
{"title":"On the design of high frequency series resonant converters for induction heating applications","authors":"E. Dede, V. Esteve, J. Garcia, Á. Navarro, J. A. Carrasco","doi":"10.1109/IECON.1993.339255","DOIUrl":"https://doi.org/10.1109/IECON.1993.339255","url":null,"abstract":"The paper presents the concept and analysis of HF series resonant power converters for induction heating applications. After an analysis of the different working modes, a study for optimum and clamped drivers is presented. The losses in the inverter are then calculated and the concept of series resonant power converters for induction heating applications is presented.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125231880","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
Tampoprint inspection by artificial vision 人工视觉检测棉纸
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.339361
F. Truchetet, J. Cholley, S. Hemmings
{"title":"Tampoprint inspection by artificial vision","authors":"F. Truchetet, J. Cholley, S. Hemmings","doi":"10.1109/IECON.1993.339361","DOIUrl":"https://doi.org/10.1109/IECON.1993.339361","url":null,"abstract":"In this paper an application of artificial vision to production line quality control is described. This work has lead to the creation of an inspection system for tampoprint impressions on plastic casings. The specificity of the process and the economic constraints of the project specifications drove the originators to develop an all software product which uses standard material only. The originality of the presented solution lies in the optimal exploitation of camera resolution (256/spl times/256 pixels). It uses, in particular, an adaptive thresholding algorithm on the difference image resulting from the comparison between a reference image and the tampoprint image, after subpixel alignment by subimages.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116635942","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 remote file system for heterogeneous network topologies 异构网络拓扑的远程文件系统
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.339098
S. Lim, M. Condry
{"title":"A remote file system for heterogeneous network topologies","authors":"S. Lim, M. Condry","doi":"10.1109/IECON.1993.339098","DOIUrl":"https://doi.org/10.1109/IECON.1993.339098","url":null,"abstract":"Achieving high performance in a distributed computing environment is a combination of efforts between the network, distributed operating systems, and the applications. All too often the focus of improvement excludes the opportunity for the application to make an impact on performance. In this study we provide a facility where the application characteristics can be employed in formulating a distributed solution. The specific problem being considered is remote file services, although the general ideas can be applied to other areas. Our file system permits the application to indicate the type of caching and transfer strategies most suitable for each remote file access instance: depending on the application will effect the load realized on the network. Earlier work provided techniques to characterize application behavior through simple profiles. This profile data can be employed in selecting what kind of caching and transfer strategies would be most suitable to minimize traffic on the network. We describe the architecture of our file system. We show how the system provides for efficient network performance by realization of reduced traffic on the network for each application. This application data approach will always provide better performance than any random based model design.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121275236","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 multi-phase fuzzy variable structure controller with improved transient and steady state response 一种改进了暂态和稳态响应的多相模糊变结构控制器
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.339070
N.C.M. Leung, C. Li
{"title":"A multi-phase fuzzy variable structure controller with improved transient and steady state response","authors":"N.C.M. Leung, C. Li","doi":"10.1109/IECON.1993.339070","DOIUrl":"https://doi.org/10.1109/IECON.1993.339070","url":null,"abstract":"In this paper, a fuzzy-based variable structure controller (FVSC) is proposed. An adaptive weighting function is used to implement multi-phase strategies of control. In the initial phase, a rapid transient strategy is used and in the final phase, it is switched to a maximum accuracy strategy. It can ameliorate the deficiencies of using only a single look up table. The proposed controller is simple to design and can be implemented cost effectively for both linear and non-linear systems in real time or time critical applications. The design has emphasized on the robustness, fast transient and steady state response with consideration in non-linear system. A well known robot manipulator model is used as an example and simulation results demonstrated that the proposed controller can track the states on the desired switching hyperplane accurately and without any overshoot.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121347859","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
Hitachi's role in the area of power electronics for transportation 日立在交通运输电力电子领域的作用
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.338993
T. Ohmae, K. Nakamura
{"title":"Hitachi's role in the area of power electronics for transportation","authors":"T. Ohmae, K. Nakamura","doi":"10.1109/IECON.1993.338993","DOIUrl":"https://doi.org/10.1109/IECON.1993.338993","url":null,"abstract":"Advances in transportation systems have been spectacular. A variable-voltage variable-frequency (VVVF) inverter drive, which applies a large-capacity gate turn-off (GTO) thyristor and a high voltage insulated gate bipolar transistor (IGBT) have been developed to attain higher speed, lighter weight and lower level of noise of transportation systems such as rolling stock, elevators and electric vehicles. In view of the above-mentioned needs, Hitachi has propelled research and development not only to improve individual component devices employing sophisticated power electronics and microcomputer technology, but also to maximize the performance and minimize the size, weight, and level of noise of conventional transportation controllers. In transportation systems, the inverter control is already becoming mainstream. In this light, Hitachi has tackled the development of large-capacity GTO thyristors, high voltage IGBTs, GTO and IGBT drive technology, cooling technology and installation technology. This paper describes Hitachi's role in the area of power electronics for transportation. Especially, new systems of rolling stock are explained.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124977519","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
Integrated technology and performance for multi-kilowatt power electronic converters-an evaluation 多千瓦电力电子变流器集成技术与性能评价
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.338982
I. Hofsajer, J. Ferreira, J. V. van Wyk, M. Smit
{"title":"Integrated technology and performance for multi-kilowatt power electronic converters-an evaluation","authors":"I. Hofsajer, J. Ferreira, J. V. van Wyk, M. Smit","doi":"10.1109/IECON.1993.338982","DOIUrl":"https://doi.org/10.1109/IECON.1993.338982","url":null,"abstract":"This paper presents an overview of the current state of the technology for electromagnetic integration of high power electronic converters. Some of the materials technologies needed for manufacture are described. As an example a completely integrated experimental multi-kilowatt resonant DC-DC power converter is discussed, together with some problems encountered and their solution. Experimental results are also given. A possible extension of the technology to hard switched, but snubbed and clamped power converters is discussed. Some of the thermal problems together with a thermal analysis are addressed. Conclusions about the technology are drawn and possible future developments investigated.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125140515","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
A two-step approach to detect contours formed by sharp intensity changes 一种两步法检测由剧烈强度变化形成的轮廓
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.339313
Y. Liow
{"title":"A two-step approach to detect contours formed by sharp intensity changes","authors":"Y. Liow","doi":"10.1109/IECON.1993.339313","DOIUrl":"https://doi.org/10.1109/IECON.1993.339313","url":null,"abstract":"This paper suggests a two-step model to ease a curve detection problem. Instead of linking edge detection results into segment-like structures, we embed curve detection into an edge detection process. The method consists of two major steps, namely, (1) formation of curve-associated region for each curve and (2) curve extraction from each curve-associated region. A curve-associated region is an extended area surrounding a curve where associated intensity variations of the curve are preserved. Gradient orientation is the main attribute used to group pixels into curve-associated regions. The intensity structure of each curve-associated region is then analyzed to locate the curve. This method appears to be a viable approach to complement edge detection techniques because of the utilization of concepts, such as, (1) use of gradient orientation, (2) integration of local information over space, and (3) analysis of global intensity structure of each curve.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126652126","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
Improved predictive current control technique for a zero current switched buck-boost series resonant inverter 零电流开关buck-boost串联谐振逆变器的改进预测电流控制技术
Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics Pub Date : 1993-11-15 DOI: 10.1109/IECON.1993.338967
G. Moon, B. Jo, H. Ahn, M. Youn
{"title":"Improved predictive current control technique for a zero current switched buck-boost series resonant inverter","authors":"G. Moon, B. Jo, H. Ahn, M. Youn","doi":"10.1109/IECON.1993.338967","DOIUrl":"https://doi.org/10.1109/IECON.1993.338967","url":null,"abstract":"An improved predictive current control technique for a zero current switched (ZCS) buck-boost series resonant inverter (SRI) is proposed to overcome the inherent disadvantages such as the uncontrollable large overshoot and the large current ripple. Using the proposed technique, the four quadrant operation of the output voltage and current for an uninterruptible power supply (UPS) application is guaranteed and the buck-boost operation can also be obtained without an additional bidirectional switch.<<ETX>>","PeriodicalId":132101,"journal":{"name":"Proceedings of IECON '93 - 19th Annual Conference of IEEE Industrial Electronics","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122539419","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
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