The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.最新文献

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Analytical model and feedback control of the levitation force for an induction-type bearingless motor 感应式无轴承电机悬浮力分析模型及反馈控制
He Yikang, Nian Heng
{"title":"Analytical model and feedback control of the levitation force for an induction-type bearingless motor","authors":"He Yikang, Nian Heng","doi":"10.1109/PEDS.2003.1282774","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1282774","url":null,"abstract":"A relatively accurate analytical expression of the magnetic levitation force for an induction-type bearingless motor is proposed in this paper with the eccentricity in the location of stator and rotor taking into consideration, and its computation accuracy is verified by ANSOFT, an electro-magnetic field analysis software of electrical machines. Applying this analytical levitation force model, the real-time observation of magnetic levitation force is realized, the closed-loop control of levitation force is then implemented on the basis of air-gap-flux-oriented decoupling control system of the bearingless motor. Simulation study verifies the effectiveness of the approach in improving the static and dynamic performance of an induction-type bearingless motor.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131808391","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: 22
Sliding mode control for buck-boost converter using control desk dSPACE/sup /spl trade// 使用控制台dSPACE/sup /spl trade//进行降压-升压转换器的滑模控制
M. Ahmed, M. Kuisma, O. Pyrhonen, P. Silventoinen
{"title":"Sliding mode control for buck-boost converter using control desk dSPACE/sup /spl trade//","authors":"M. Ahmed, M. Kuisma, O. Pyrhonen, P. Silventoinen","doi":"10.1109/PEDS.2003.1283205","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1283205","url":null,"abstract":"Switch mode power supplies have been controlled using different control algorithms like PID control, current mode programmed control etc. Many control tools were used to implement these control techniques e.g. analog operational amplifier, microprocessor. This paper focuses on using a new control tool called dSPACE/sup /spl trade// for controlling the switch mode power supply. Programming the control circuit via MATLAB/Simulink/sup /spl trade// can be made. The prototype of the basic three converters buck, boost, and buck-boost can be controlled by the simulation model via real time hardware. Buck-boost converter was chosen as our prototype converter. The sliding mode control (SMC) was chosen as a control algorithm in MATLAB/Simulink/sup /spl trade// for controlling the buck-boost prototype model. The reason behind choosing SMC is that it is an efficient control and simple to implement in MATLAB/Simulink/sup /spl trade//. The paper shows that the control algorithm represented by SMC in MATLAB/Simulink/sup /spl trade// and using the dSPACE/sup /spl trade// as control toolbox is able to control the prototype model.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131937964","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
The definition of power factor in single phase system with arbitrary waveform according to similarity 根据相似度定义任意波形单相系统的功率因数
Z. Ling, Chaopin Deng, P. Ye
{"title":"The definition of power factor in single phase system with arbitrary waveform according to similarity","authors":"Z. Ling, Chaopin Deng, P. Ye","doi":"10.1109/PEDS.2003.1283172","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1283172","url":null,"abstract":"In this paper, the description of similarity in frequency domain between voltage waveform and current waveform is achieved in infinite dimensions real vector space. A new kind of definition formula of power factor, which is suitable under arbitrary waveform voltage and current in single-phase system, is proposed. In this definition, power factor is defined as the product of virtual value similarity factor and phase similarity factor. Conventional power factor definition is only a special case of new definition. This definition suits not only steady state but also transient state.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123850295","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
A new five-level inverter system for an induction motor with open-end windings 一种新型开放式绕组感应电机五电平逆变系统
V. T. Somasekhar, K. Chandrasekhar, K. Gopakumar
{"title":"A new five-level inverter system for an induction motor with open-end windings","authors":"V. T. Somasekhar, K. Chandrasekhar, K. Gopakumar","doi":"10.1109/PEDS.2003.1282754","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1282754","url":null,"abstract":"In this paper, a new 5-level inverter system for an open-end winding induction motor drive is described. Multilevel inversion is achieved by feeding an open-end winding induction motor with an asymmetrical 3-level inverter from one end and a 2-level inverter, from the other end. The combined inverter system with open-end winding induction motor produces voltage space vector locations identical to a 5-level inverter. A total of 512-space vector combinations are distributed over 61 space vector locations in the proposed scheme. The proposed inverter drive scheme is capable of producing a multilevel PWM waveform for the phase voltage ranging from a 2-level waveform to a 5-level waveform depending on the depth of modulation.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123941590","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: 15
An innovative approach for RMS and THD control by field programmable gate arrays 一种采用现场可编程门阵列实现RMS和THD控制的创新方法
P. Tsang, A. Bigdeli, N. Kularatna
{"title":"An innovative approach for RMS and THD control by field programmable gate arrays","authors":"P. Tsang, A. Bigdeli, N. Kularatna","doi":"10.1109/PEDS.2003.1283044","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1283044","url":null,"abstract":"DSP based design approach for sinewave inverters are discussed in the past [N. Kularatna, et al., 1998; N. Kularatna, 2000; N. Kularatna, et al., 1999; N. Kularatna, et al., 2000; N. Kularatna, et al., 2001]. However, due to generalized hardware in DSP chips, implementation of a control block of a sinewave inverter for precise RMS control and total harmonic distortion (THD) minimization may not be hardware efficient. As an alternative, special look-up table based FPGA approach for THD control is discussed in the paper, where no higher order harmonics are calculated individually.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"158 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124419166","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
An integrated starter alternator for the 42 V PowerNet 用于42伏电力网的集成起动交流发电机
C.P. Mudannayake, M.F. Rahman
{"title":"An integrated starter alternator for the 42 V PowerNet","authors":"C.P. Mudannayake, M.F. Rahman","doi":"10.1109/PEDS.2003.1282953","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1282953","url":null,"abstract":"This paper concerns the modelling and implementing a prototype integrated starter alternator (ISA) employing an induction machine, for the potential use in the future 42 V PowerNet. The system includes a direct rotor flux oriented (DFOC) induction machine drive, which is operated in both motoring and generating modes (i.e. starter and alternator modes). During starting, the induction machine cranks the engine, which is emulated using permanent magnet DC motor, with high starting torque. In the generation mode, the power is input to the ISA from emulated engine while the DC bus voltage is maintained at 42 V. The model and prototype hardware successfully allow many operational aspects to be predicted, in particularly the regulated DC voltage developed by ISA during load dump and sudden speed change.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127962740","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 new current-sharing interface circuit for paralleled power modules 一种新型并联电源模块共流接口电路
D. Ki-Wai Cheng, Yim-Shu Lee, Yi Chen
{"title":"A new current-sharing interface circuit for paralleled power modules","authors":"D. Ki-Wai Cheng, Yim-Shu Lee, Yi Chen","doi":"10.1109/PEDS.2003.1282914","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1282914","url":null,"abstract":"A new current-sharing interface circuit which connects paralleled power modules to a common load in a parallel power module system is proposed in this paper. Novel current-sensing and current-sharing techniques are applied. In the interface circuit the output currents of the paralleled power modules are sensed by measuring the inductor voltage drops and shared under a hysteresis current control based on the minimum current. Not only good current-sharing performance but also low power dissipation with low cost can be achieved when the parallel power module system utilizes the proposed interface circuit. A prototype of the current-sharing interface circuit for three paralleled power modules is implemented. The experimental results are in good agreement with the theoretical analyses.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121172137","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 current-based output feedback mode control for speed sensorless induction machine drive using adaptive sliding mode flux observer 基于自适应滑模磁链观测器的无速度传感器异步电机电流输出反馈控制
J. Soltani, G. Arab Markadeh
{"title":"A current-based output feedback mode control for speed sensorless induction machine drive using adaptive sliding mode flux observer","authors":"J. Soltani, G. Arab Markadeh","doi":"10.1109/PEDS.2003.1282761","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1282761","url":null,"abstract":"This paper presents a new adaptive sliding mode flux observer for speed sensorless and rotor flux control of induction motor (IM) drive supplied by three-level space vector modulation (SVM) inverter. Using the induction machine equations in the stator two-phase stationary reference frame, based on partial feedback linearization control method, the sliding mode speed and rotor flux controllers are derived first. These controllers guarantee the asymptotic tracking of the pre-specified speed and rotor flux command references in spite of the motor parameter uncertainties and load torque disturbance. Then, the sliding mode flux observers are developed to estimate speed, rotor time constant and the rotor flux quantities simultaneously. In addition, to satisfy the persistent excitation (P.E) condition, an ac signal component is superimposed to the rotor flux reference command. Finally, a digital simulation study is carried out and some simulation results are presented to show the validation the effectiveness of the proposed control approach.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129034066","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
A neural network-based adaptive controller of single-phase inverters for critical applications 基于神经网络的单相逆变器自适应控制器
H. Deng, R. Oruganti, D. Srinivasan
{"title":"A neural network-based adaptive controller of single-phase inverters for critical applications","authors":"H. Deng, R. Oruganti, D. Srinivasan","doi":"10.1109/PEDS.2003.1283090","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1283090","url":null,"abstract":"Single-phase inverters are widely used in critical applications such as dynamic voltage restorer (DVR) and uninterrupted power supply (UPS) system. In such applications, the inverter must be capable of operating with low total harmonic distortion (THD) and quick transient response. This paper and its companion paper present two promising control methods based on neural networks. This paper presents a novel neural network-based adaptive controller for high performance single-phase inverters capable of maintaining a high quality output voltage with very low THD of less than 2% in the presence of unknown loads, either linear or nonlinear. In the proposed scheme, a voltage source inverter with its corresponding LC load-filter is controlled by an adaptive linear neuron (ADALINE) controller with only one sensor. The on-line adaptive learning algorithm developed in this paper guarantees steady-state controller stability. The principle, stability, robustness, and the special features of the control scheme are discussed. The scheme is simple to implement and has superior performance compared to other popular control strategies, such as the dead-beat controller. An important merit of the proposed control scheme is that it can be designed and implemented without knowing the exact parameters of the PWM inverter system. Simulation and experimental results are presented to verify the feasibility and performance of proposed approach.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116100176","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
Detailed implementation of a current controller with 3D space vectors for four wire active filters 四线有源滤波器的三维空间矢量电流控制器的详细实现
M. G. Villalva, M. E. de Oliveira Filho, E. R. Filho
{"title":"Detailed implementation of a current controller with 3D space vectors for four wire active filters","authors":"M. G. Villalva, M. E. de Oliveira Filho, E. R. Filho","doi":"10.1109/PEDS.2003.1282896","DOIUrl":"https://doi.org/10.1109/PEDS.2003.1282896","url":null,"abstract":"This research presents the detailed implementation of a current controller with three-dimension (3D) space vector pulse width modulation (SVPWM) for active filters used in four-wire unbalanced power systems. Many techniques of current control are widely known for three-wire balanced systems. However some modifications must be done in the original techniques when the system is unbalanced and has a neutral conductor. Few works are explicit and detailed on this subject. This paper shows the complete process of implementation of a four-wire current controller with a three-leg inverter and makes a comparison of its performance with the performance of the conventional hysteresis-based current controller.","PeriodicalId":106054,"journal":{"name":"The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003.","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116383426","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: 18
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