38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.最新文献

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Red, green and blue LED-based white light source: implementation challenges and control design 基于红、绿、蓝led的白光光源:实现挑战和控制设计
S. Muthu, J. Gaines
{"title":"Red, green and blue LED-based white light source: implementation challenges and control design","authors":"S. Muthu, J. Gaines","doi":"10.1109/IAS.2003.1257549","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257549","url":null,"abstract":"The improvements in high power light emitting diode (LED) technology with 100+ lumens per LED chip bring solid-state lighting close to reality. Combining red, green and blue (RGB) LEDs can provide a compact white light source with unique features such as instant color variability. However, the implementation of an RGB-LED light source has numerous practical issues such as sensor placement, LED driving, control design and stability with temperature and time. This can result in lamp operation that may not meet the spatial, color maintenance and perception requirements of many applications. In this paper, we highlight the practical issues and present solutions using an RGB-LED light engine as an example. The spatial mixing, sensor placement, and control system design for the light engine are discussed and experimental results are provided.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133528238","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: 129
DSP control shunt APF with harmonic extraction by adaptive neural network DSP采用自适应神经网络谐波提取控制并联有源滤波器
M. Rukonuzzaman, K. Nishida, M. Nakaoka
{"title":"DSP control shunt APF with harmonic extraction by adaptive neural network","authors":"M. Rukonuzzaman, K. Nishida, M. Nakaoka","doi":"10.1109/IAS.2003.1257705","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257705","url":null,"abstract":"Current harmonics are the major concern in three-phase diode bridge rectifier with inductor or capacitor filters and it is necessary to compensate the harmonics exist in the nonlinear load to keep the utility supply current sinusoidal and free from undesired harmonics. In this paper, a novel signal processing technique with adaptive neural network is applied to determine the total harmonic current in the nonlinear load. The technique can determine the harmonic current in real time and its effectiveness is substantiated with DSP based experimental setup in three-phase shunt active power filter.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"13 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132273688","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
Measurement and characterization of DC harmonics on the Taipei MRT system 台北捷运系统直流谐波之测量与表征
Y. Hsiao, Kuang-Chieh Lin
{"title":"Measurement and characterization of DC harmonics on the Taipei MRT system","authors":"Y. Hsiao, Kuang-Chieh Lin","doi":"10.1109/IAS.2003.1257676","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257676","url":null,"abstract":"The DC harmonics of the propulsion power supply system on the Taipei Mass Rapid Transit System (TMRTS) are characterized. This study applies a new measurement method based on the railway magnetic field measurement technique, to record the DC current harmonics of the TMRT system under various operating conditions. Analysis of the data obtained through these field measurements reveals the presence of both typical and atypical harmonics while the trains are running. The monitored information from the TMRTS during dynamic operation helps engineers (planners) to identify how many orders and levels of harmonics may be present.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132439060","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
NFPA 70B recommended practice for electrical equipment maintenance 2002 edition NFPA 70B电气设备维护推荐规程2002版
M.J. Hittel, R. Bingham, M. K. Sanders
{"title":"NFPA 70B recommended practice for electrical equipment maintenance 2002 edition","authors":"M.J. Hittel, R. Bingham, M. K. Sanders","doi":"10.1109/IAS.2003.1257715","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257715","url":null,"abstract":"National Fire Protection Association (NFPA) promulgates over 2000 national codes and standards that are used worldwide for the application of facility and safety concerns. IEEE has representation on several, and among them is NFPA 70B. Intended primarily for industrial type applications, others, such as commercials applications, can also find useful information for similar equipment. Reports are made to the Standards Coordinating Council (SCC) 18 of IEEE, interfaces directly with IEEE 902-1998 \"Maintenance, Operations and Safety\" and with any of the other IEEE Color Books where maintenance issues are a concern. The paper provides a brief history of the document, a review of the present version, and highlight some of the topics of interest under consideration for the 2005 edition.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127818484","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
An improvement of speed performances of DTC for induction motor with an uncertainty observers using a universal approximator 用通用逼近器改进不确定观测器对异步电动机直接转矩控制的速度性能
Hoe-Sung Huh, Kyo-Beum Lee, I. Choy, Gwi-Tae Park, K. Lyu, Tea-Gu Song
{"title":"An improvement of speed performances of DTC for induction motor with an uncertainty observers using a universal approximator","authors":"Hoe-Sung Huh, Kyo-Beum Lee, I. Choy, Gwi-Tae Park, K. Lyu, Tea-Gu Song","doi":"10.1109/IAS.2003.1257838","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257838","url":null,"abstract":"The objective of this paper is design of a robust stable speed controller for speed-sensorless induction motor direct torque control (DTC) systems. Overall control systems are composed of a speed estimator and the proposed uncertainty observer using the radial basis function networks (RBFN). The induction motor systems in the real industrial fields, the obtaining of an exact mathematical model is hardly difficult due to the unmodeled uncertainties such as parametric uncertainties and external load disturbances. In this paper, the uncertainties are approximated by the RBFN, and the control algorithm is applied to the DTC system. Control laws and adaptive laws for the bounding constant and weights in the output layer of the RBFN are established so that the whole closed loop system is stable in the sense of Lyapunov. The proposed control algorithm is relatively simple and requires no restrictive conditions on the design constants for the stability. Experiment results show the effectiveness and validity of the proposed control algorithm.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127865663","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
Vector control of an IPM synchronous machine capable of full range operations for hybrid electric vehicle application 混合动力汽车全工况IPM同步电机的矢量控制
Z. Fu, J. Xiang, W. Reynolds, B. Nefcy
{"title":"Vector control of an IPM synchronous machine capable of full range operations for hybrid electric vehicle application","authors":"Z. Fu, J. Xiang, W. Reynolds, B. Nefcy","doi":"10.1109/IAS.2003.1257747","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257747","url":null,"abstract":"Interior PM (IPM) synchronous machines are popularly used as traction motors for mild hybrid and hybrid electric vehicles. In order to achieve desired performance, such as, propulsion of the vehicle, torque boost, charging battery, driveline synchronization during gearshift, and active damping of driveline oscillation, the IPM synchronous machine must be able to operate at every load point inside the envelope as defined by the maximum torque-speed curve. The maximum electrical speed is typically in the range of 36000 RPM. These requirements represent considerable challenges to the motor control strategy, particularly the field weakening strategy. This paper presents a simple, yet practical field weakening strategy and the associated control techniques to ensure the traction motor drive capable of full range operations for the desired performance in hybrid electric vehicle applications. Extensive experimental results, including torque and speed transient responses, phase current responses, full range steady state torque control performance, power losses over the entire operating range, are reported to demonstrate the performance of the drive over the entire operating ranges and consequently the validity of the proposed control strategy.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114695387","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: 23
A carrier-based discontinuous PWM modulation for four-leg inverters and applications 基于载波的四腿逆变器不连续PWM调制及其应用
O. Ojo, P. Kshirsagar
{"title":"A carrier-based discontinuous PWM modulation for four-leg inverters and applications","authors":"O. Ojo, P. Kshirsagar","doi":"10.1109/IAS.2003.1257479","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257479","url":null,"abstract":"We review in this paper a carrier-based discontinuous pulse-width modulation (PWM) method for four-leg DC-AC inverters using an extended definition of the classical space vector methodology in which qd and the zero sequence components of the switching vectors enable the development of the expressions of the discontinuous modulation signals that clamp the switching devices to either the positive or negative DC rails for about 1/3 of the waveform period. This modulation scheme is then used for the dynamic control of the voltage of a three-phase (balanced, unbalanced or nonlinear) load with a neutral connection using the concept of nonlinear input-output linearization with decoupling. Simulation and experimental results validate the proposed discontinuous modulation scheme as also the feasible high performance made possible by the control scheme adopted.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123463244","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
A wide bandwidth, low noise xenon lamp ballast 一种宽带宽、低噪声氙灯镇流器
G. Sobierajski, W. Peterson
{"title":"A wide bandwidth, low noise xenon lamp ballast","authors":"G. Sobierajski, W. Peterson","doi":"10.1109/IAS.2003.1257519","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257519","url":null,"abstract":"This paper presents a low noise lamp ballast with a 10 kHz control bandwidth for a xenon lamp. The ballast features a universal 90 to 250 Volt, 50 to 60 Hz input. Power is delivered to a 750-Watt xenon lamp with 80 db attenuation of line frequency harmonics. The ballast provides a 38 kV ignition pulse to strike the lamp with lamp current regulated by the control loop. Lamp current is adjustable manually or from an external analog signal from 30 to 50 Amps. The power circuitry and loop design to achieve these goals are presented here.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123638670","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
Overlap time and voltage drop compensation in an AC/AC converter 交流/交流变换器的重叠时间和压降补偿
A. Akdag, P. Stefanutti, L. Meysenc, N. Hugo
{"title":"Overlap time and voltage drop compensation in an AC/AC converter","authors":"A. Akdag, P. Stefanutti, L. Meysenc, N. Hugo","doi":"10.1109/IAS.2003.1257504","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257504","url":null,"abstract":"This paper presents an AC/DC converter system utilizing an AC/AC direct converter and an inverter with a medium frequency isolating transformer. The operation of the AC/AC converter is based on soft commutation technique. Overlap time has been introduced for a proper zero current switching operation of the AC/AC converter. During operation, the current through the medium frequency transformer causes a voltage drop due to copper losses. These two phenomena result in deviations from the actual operation of the AC/AC cycloconverter. In this paper, a compensation technique is proposed by deriving the related formulas for nonideal operating conditions. With such compensation, the overall system will react dynamically to the changing conditions faster and the error in steady state operation is minimized. The simulation results verify the feasibility of the proposed compensation scheme for a better performance and faster dynamics.","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"358 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124512331","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
Design and optimization of dual-rotor, radial-flux, toroidally-wound, permanent-magnet machines 双转子、径向磁通、环形绕线、永磁电机的设计与优化
R. Qu, T. Lipo
{"title":"Design and optimization of dual-rotor, radial-flux, toroidally-wound, permanent-magnet machines","authors":"R. Qu, T. Lipo","doi":"10.1109/IAS.2003.1257737","DOIUrl":"https://doi.org/10.1109/IAS.2003.1257737","url":null,"abstract":"A novel machine family – the dual-rotor, Radial-Flux, Toroidally-wound, Permanent-Magnet (RFTPM) machine – has been proven in a previous paper to be able to improve the machine efficiency and boost the torque density. This paper will present the key design equations and design procedure of the RFTPM machines, analyze parameter effects on machine performance, and propose an optimization method to achieve specific design objectives. In addition, Finite Element Analysis is employed to prove the effectiveness of the design equations and find the machine overload capability. Experimental measurements of a prototype, which match the design specifications well, verify the effectiveness of the design equations. KeywordsRFTPM Machine, PM Machine Design, Optimization","PeriodicalId":288109,"journal":{"name":"38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126132981","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
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