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IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)最新文献

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Exception-based reinforcement learning 基于异常的强化学习
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.975612
Pascal Garcia
{"title":"Exception-based reinforcement learning","authors":"Pascal Garcia","doi":"10.1109/IECON.2001.975612","DOIUrl":"https://doi.org/10.1109/IECON.2001.975612","url":null,"abstract":"In this paper we develop a method using temporally abstract actions to solve Markov decision processes. The basic idea of our method is to define some kind of procedures to control the agent's behavior. These procedures contain a rule constraining actions the agent has to choose. This rule is applied except if some conditions (which we call exceptions) are fulfilled. In this case we relax constraints on actions. We develop a way to propagate states that have created an exception to a rule, to help the agent to escape from blocked situations or locally optimal solutions. We illustrate the method using the \"Sokoban\" game. We compare the method empirically with flat Q-learning. On the proposed tests, learning time is drastically reduced as is the memory required to save the Q-values.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115040083","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
Space-vector based, constant frequency, direct torque control and dead beat stator flux control of AC machines 基于空间矢量、恒频、直接转矩控制和交流电机定子恒拍磁链控制
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.975956
A. Tripathi, A. Khambadkone, S. Panda
{"title":"Space-vector based, constant frequency, direct torque control and dead beat stator flux control of AC machines","authors":"A. Tripathi, A. Khambadkone, S. Panda","doi":"10.1109/IECON.2001.975956","DOIUrl":"https://doi.org/10.1109/IECON.2001.975956","url":null,"abstract":"This paper presents a simple inverter switching strategy that achieves direct torque control and dead-beat control of stator flux. In the proposed predictive control scheme, the switching information is obtained directly from the error in flux. This approach is simpler than the methods of torque and flux control in which a reference voltage vector is generated to obtain the inverter duty cycle. The distinct advantages of this scheme lie in achieving a constant switching frequency operation and excellent performance at low operating frequencies.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115066563","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: 66
Wind farm modelling for power quality 风力发电场电能质量建模
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.975591
A. Hansen, P. Sørensen, L. Janosi, J. Bech
{"title":"Wind farm modelling for power quality","authors":"A. Hansen, P. Sørensen, L. Janosi, J. Bech","doi":"10.1109/IECON.2001.975591","DOIUrl":"https://doi.org/10.1109/IECON.2001.975591","url":null,"abstract":"In this paper, the power quality impact of wind farms on the power system is investigated. A model is established for the wind farm Hagesholm (Denmark). This wind farm consists of six active stall controlled wind turbines from NEG-Micon with 2 MW rated power. The wind turbines are connected through two feeders to the 10kV busbar in a 50/10kV substation. The simulation model, implemented in the dedicated power system simulation tool DIgSILENT, is used in the first place to simulate the behaviour of the wind farm during normal operation of the wind farm. The model comprises a grid model, six almost identical wind turbine models, where electric, mechanic and aerodynamic aspects are included, and a model for the wind speed. The described model can be used for assessment of power quality, control strategies and behaviour in the event of grid faults. In this paper, the ability of the model to predict power quality is investigated. The simulations are used to compute power quality characteristics of a wind turbine, i.e. maximum power, reactive power consumption and flicker emission. The applied computation methods are reflecting the international power quality standards of wind turbine IEC 61400-21. The computed power quality characteristics are compared to measured power quality characteristics, determined by the same computation methods.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115233961","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: 45
Tuning of the structure and parameters of neural network using an improved genetic algorithm 利用改进的遗传算法对神经网络的结构和参数进行整定
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.976448
F. Leung, H. Lam, S. Ling, P. Tam
{"title":"Tuning of the structure and parameters of neural network using an improved genetic algorithm","authors":"F. Leung, H. Lam, S. Ling, P. Tam","doi":"10.1109/IECON.2001.976448","DOIUrl":"https://doi.org/10.1109/IECON.2001.976448","url":null,"abstract":"Presents the tuning of the structure and parameters of a neural network using an improved genetic algorithm (GA). The improved GA is implemented by floating-point arithmetic. The processing time of the improved GA is faster than that of the GA implemented by binary number as coding and decoding are not necessary. By introducing new genetic operators to the improved GA, it is also shown that the improved GA performs better than the traditional GA based on some benchmark test functions. A neural network with switches introduced to links is proposed. By doing this, the proposed neural network can learn both the input-output relationships of an application and the network structure. Using the improved GA, the structure and the parameters of the neural network can be tuned. An application example on sunspot forecasting is given to show the merits of the improved GA and the proposed neural network.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115546393","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: 814
A GUI support system for a sight handicapped person by using hand shape recognition 基于手型识别的视觉障碍者图形用户界面支持系统
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.976540
T. Niidome, R. Ishii
{"title":"A GUI support system for a sight handicapped person by using hand shape recognition","authors":"T. Niidome, R. Ishii","doi":"10.1109/IECON.2001.976540","DOIUrl":"https://doi.org/10.1109/IECON.2001.976540","url":null,"abstract":"The paper proposes an algorithm of hand-shape recognition and applies it to a graphical user interface (GUI) support system for a sight handicapped person. This algorithm is to recognize the angle of a hand and ten hand-shapes. As one application of this algorithm, we implement a system in which the angle of a hand controls a reading point in text on a screen in real time, and the text is read out with sound synthesis software. Further, in this system, more complicated directions to control a text reader can be done by recognized hand-shapes.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115698430","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
Instantaneous power of power circuit including three phase variable inductance 包括三相可变电感的功率电路的瞬时功率
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.975931
H. Funato
{"title":"Instantaneous power of power circuit including three phase variable inductance","authors":"H. Funato","doi":"10.1109/IECON.2001.975931","DOIUrl":"https://doi.org/10.1109/IECON.2001.975931","url":null,"abstract":"Inductance has a particularly important role in power circuits. For example, the power flow is essentially restricted by a line inductance. The author has proposed the variable active-passive reactance (VAPAR) which can produce a virtual variable inductance. The author analyzed the transient power flow of a balanced three phase variable inductance and obtained interesting results. In this paper, at first, the analysis of the instantaneous power of a power circuit including a three phase variable inductance is introduced using instantaneous active and reactive power theorem. Then, the power characteristics of three phase inductance with mutual variable inductance is analyzed. In this section, the concept of \"anti-mutual inductance\" of which mutual induced electromotive force appears in opposite direction to usual mutual inductance is proposed. The interesting characteristics of anti-mutual inductance is analyzed using instantaneous power theorem. The theoretical analyses are verified through simulations and some of them are verified through experiments.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114214149","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
Design and performance evaluation of a generalized virtual sensor for three-phase PWM AC/DC converters 一种用于三相PWM交/直流变换器的广义虚拟传感器的设计与性能评价
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.975934
José Espinoza, E. Araya, Geza Joos, L. Moran
{"title":"Design and performance evaluation of a generalized virtual sensor for three-phase PWM AC/DC converters","authors":"José Espinoza, E. Araya, Geza Joos, L. Moran","doi":"10.1109/IECON.2001.975934","DOIUrl":"https://doi.org/10.1109/IECON.2001.975934","url":null,"abstract":"Three-phase PWM converters are widely used as they can operate at low harmonic distortion and high input displacement power factor. However, these features are achieved by means of modern control techniques which require many electrical variables in order to be properly implemented. This constraint makes these techniques less attractive and simpler control techniques are preferred. On the other hand, virtual sensors have become an alternative to provide the electrical variables without sensing them. They use the already available information to estimate the missing measurements; however, their design uses several parameters that are usually manually tuned. This paper presents a general virtual sensor and defines performance tests in order to evaluate and design optimum operating parameters of the virtual sensor applied to three-phase static power converters. Simulated and experimental results in a 2 kVA prototype are presented to illustrate the proposed approach.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116765275","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
Evolutionary optimization of a universal motor 通用电机的进化优化
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.976446
B. Benedicic, T. Kmecl, G. Papa, B. Korousic-Seljak
{"title":"Evolutionary optimization of a universal motor","authors":"B. Benedicic, T. Kmecl, G. Papa, B. Korousic-Seljak","doi":"10.1109/IECON.2001.976446","DOIUrl":"https://doi.org/10.1109/IECON.2001.976446","url":null,"abstract":"This paper presents a new designing procedure for the rotor and the stator of a universal motor for home appliances. It is based on a genetic algorithm (GA). The aim is to optimize the independent geometric parameters of the rotor/stator lamination to reduce the main motor's power losses, i.e., the iron and the copper losses. The GA proved to be a simple and efficient search and optimization method for solving the daily design problem in the industry. Using this procedure the motor's technical quality, expressed as efficiency, has been significantly improved.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115418560","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
Model-reference adaptive-control of a PFC-equipped battery-charger pfc电池充电器的模型参考自适应控制
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.975913
Shahrokh Farhangi, A. Yazdani, B. Fahimi
{"title":"Model-reference adaptive-control of a PFC-equipped battery-charger","authors":"Shahrokh Farhangi, A. Yazdani, B. Fahimi","doi":"10.1109/IECON.2001.975913","DOIUrl":"https://doi.org/10.1109/IECON.2001.975913","url":null,"abstract":"The adaptive control of a parallel resonant converter is presented in this paper. The converter behaves as a one-stage power-factor corrector and battery charger, simultaneously. The extended averaging method is used to model the converter and investigate its dynamics. The wide range of operating points of the converter, makes it difficult to achieve good performance with classical PI controllers. A model-reference adaptive controller is designed for the topology, which ensures both stability and trace-ability for this application.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"25 3-4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123568713","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
Current source LCC resonant converter for an EDM power supply 用于电火花加工电源的电流源LCC谐振变换器
IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243) Pub Date : 2001-11-29 DOI: 10.1109/IECON.2001.975916
R. Casanueva, L. Chiquito, F. Azcondo, S. Bracho
{"title":"Current source LCC resonant converter for an EDM power supply","authors":"R. Casanueva, L. Chiquito, F. Azcondo, S. Bracho","doi":"10.1109/IECON.2001.975916","DOIUrl":"https://doi.org/10.1109/IECON.2001.975916","url":null,"abstract":"In this paper, the design of a low size power supply prototype for electrical discharge machining is presented. The system is a DC to DC LCC resonant converter whose switching frequency is tuned at the natural resonant frequency where the converter tends to act as a current source. In this way, two effects are achieved: (1) the necessary over-voltage, first to ionize the dielectric and then to establish the electric arc is generated, and (2) a constant current is supplied during the erosion of the workpiece, providing the circuit with inherent protection under short circuit conditions. The output voltage is intended to be adjusted by an external system that controls the arc distance.","PeriodicalId":345608,"journal":{"name":"IECON'01. 27th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.37243)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2001-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124861634","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: 20
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