2006 India International Conference on Power Electronics最新文献_第3页

Control of neutralization process using neuro and fuzzy controller 中和过程的控制采用神经和模糊控制器

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685363

N. Bharathi, J. Shanmugam, T. Rangaswamy

{"title":"Control of neutralization process using neuro and fuzzy controller","authors":"N. Bharathi, J. Shanmugam, T. Rangaswamy","doi":"10.1109/IICPE.2006.4685363","DOIUrl":"https://doi.org/10.1109/IICPE.2006.4685363","url":null,"abstract":"Due to the extreme nonlinearity in the pH characteristics, control of pH in any chemical or biochemical process is a difficult task. Different approaches for pH control are proposed in various literatures. In the present study, control of pH neutralization process using neural and fuzzy controller is proposed. Initially a conventional linear controller is tried to control the pH at different linear regions. Based on the pH process characteristics, the nonlinear operating region is divided into three linear regions like pH low, pH middle, and pH high. Within each region, a local linear model is used to represent the process and a controller is designed. Control of pH by conventional PI controller based on the local linear model fails to provide satisfactory performance over the entire region, because of the extreme nonlinearity in the pH dynamics. It is required to tune the controller gain for different operating regions. Hence to overcome this drawback a neuro controller and a fuzzy controller are used. In this paper a novel fuzzy controller is used. Most fuzzy controllers use control error (e) and change in the control error (Deltae) as controller inputs and hence not able to differentiate the region in which the process operates, which is important information, necessary to control the nonlinear process. This controller uses set point as third input to select the region in which the process is operating.","PeriodicalId":227812,"journal":{"name":"2006 India International Conference on Power Electronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116902610","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: 3

A new algorithm of optimized reference current generation for shunt active power filters 并联型有源电力滤波器基准电流优化新算法

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685369

V. Singhal, P. Singh

引用次数: 1

Three-level inverter fed high performance induction motor drive system for high power application 大功率应用的三电平逆变供电高性能感应电机驱动系统

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685334

R. Behera, T. Dixit, G. Kiran, S.P. Das

{"title":"Three-level inverter fed high performance induction motor drive system for high power application","authors":"R. Behera, T. Dixit, G. Kiran, S.P. Das","doi":"10.1109/IICPE.2006.4685334","DOIUrl":"https://doi.org/10.1109/IICPE.2006.4685334","url":null,"abstract":"In this paper, a three-level inverter fed induction motor drive operating under Direct Torque and Flux Control (DTFC) is presented. A diode clamped multilevel inverter is used for driving induction motor operating under DTFC scheme. Problems associated with application of DTFC methods to medium and high power drives in low motor speed range are discussed. With the proposed techniques the DTFC principle can be applied to medium and high power drives in the entire motor speed range. The proposed control strategies are verified by experimental results. The DTFC of induction motor using three-level inverter is realized in two methods. Initially, only half and full voltage vectors are used for torque and flux control. Later, a modified look-up table is used to take care of the demagnetizing effect of flux vector near sector boundary. The torque control under low speed operation has been successfully achieved with neutralization of the demagnetization effect due to stator resistance drop. An improved stator flux estimator is incorporated for low speed operation, to nullify offset problem of pure integrator. The experimental results of the complete system are presented here for forward and reverse motoring operations of the drive.","PeriodicalId":227812,"journal":{"name":"2006 India International Conference on Power Electronics","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133375309","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: 6

Design and implementation of high power DC-DC converter and speed control of DC motor using TMS320F240 DSP 基于TMS320F240 DSP的大功率DC-DC变换器及直流电机调速设计与实现

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685403

V. Chinnaiyan, J. Jerome, J. Karpagam, S. Mohammed

{"title":"Design and implementation of high power DC-DC converter and speed control of DC motor using TMS320F240 DSP","authors":"V. Chinnaiyan, J. Jerome, J. Karpagam, S. Mohammed","doi":"10.1109/IICPE.2006.4685403","DOIUrl":"https://doi.org/10.1109/IICPE.2006.4685403","url":null,"abstract":"This paper describes the design and implementation of high power DC-DC step- up converter using analog control circuits and speed control of DC motor using TMS320F240 DSP. In this technique a 24 V DC input supply is converted into 135 V DC by two-stage conversion. The full bridge topology is proposed for step up the DC voltage. The output of step-up converter is provided to the capacitive accumulator circuit, which consists of 1.2 F capacitor bank in it. The capacitive accumulator is mainly used to compensate peak power demand of the load for a transient period when sudden changes occur at load side and to store the energy under regenerative braking condition of DC motor. The capacitive accumulator circuit provides a constant voltage to the DC chopper under normal working condition. The closed loop speed control of DC motor is achieved using TMS320F240. The current and speed feed back are compared with their references respectively to achieve the speed control of DC motor, which is used in military application. The hardware has been developed and tested for laboratory conditions.","PeriodicalId":227812,"journal":{"name":"2006 India International Conference on Power Electronics","volume":"28 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124554213","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: 17

Novel Speed Control technique for Permanent Split Capacitor Motors using direct power converter 采用直接功率变换器的永磁分体电容电机调速新技术

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685331

R. Vijayarajeswaran, S. P. Natarajan, K. Shanmugam, D. S. Joan

引用次数: 0

An Ant Colony based Hybrid Intelligent Controller for looper tension in steel rolling mills 基于蚁群的轧钢活套张力混合智能控制器

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685399

S. Thangavel, V. Palanisamy, K. Duraiswamy, S. Chenthur pandian

{"title":"An Ant Colony based Hybrid Intelligent Controller for looper tension in steel rolling mills","authors":"S. Thangavel, V. Palanisamy, K. Duraiswamy, S. Chenthur pandian","doi":"10.1109/IICPE.2006.4685399","DOIUrl":"https://doi.org/10.1109/IICPE.2006.4685399","url":null,"abstract":"Strip tension control is crucial in the tandem finishing mills for its safe operation. Most of the industrial applications are of nonlinear. Fuzzy logic controller is the most useful approach to achieve the adaptive ness in the case of nonlinear system. Since fuzzy logic control provides a systematic method of incorporating human expertise and implementing nonlinear system. Neural networks are integrated with fuzzy logic which forms a neuro fuzzy system. To get a desired solution from the vagueness of the problem, an ant colony system (ACS) is implemented. The nature of search of food by the real antpsilas colony to find the food from its source (i.e. nest), to its destination (i.e. food) is known as ACS. The same foraging behavior of ants can be used to determine the optimal solution for the membership functions of FLC and hence form the hybrid intelligent controller (HIC). This paper demonstrates the effectiveness of HIC in optimizing the looper height in steel rolling mills compared with conventional controllers, FLC. The simulation result depicts that HIC quickly restore the speed of the main drive and hence looper height is quickly reduced to its optimal (zero) value which intern ensures the safety working condition of steel rolling mills.","PeriodicalId":227812,"journal":{"name":"2006 India International Conference on Power Electronics","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114262464","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

Dry type transformers for power converters 电力变换器用干式变压器

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685365

N. Subramanian

引用次数: 0

A comparison of soft-switched DC-to-DC converters for electrolyser application 电解槽用软开关dc - dc变换器的比较

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685381

D. Gautam, A. Bhat

引用次数: 26

Novel maximum power point tracker for stand-alone self-excited induction generator 新型单机自励感应发电机最大功率点跟踪器

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685351

G. V. Jayaramaiah, B. G. Fernandes

引用次数: 4

A do-it-yourself (DIY) switched mode power conversion laboratory 一个自己动手(DIY)开关模式电源转换实验室

2006 India International Conference on Power Electronics Pub Date : 2006-12-01 DOI: 10.1109/IICPE.2006.4685383

N. Raju, Nishanth Beedu, N. Lakshminarasamma, V. Ramanarayanan

{"title":"A do-it-yourself (DIY) switched mode power conversion laboratory","authors":"N. Raju, Nishanth Beedu, N. Lakshminarasamma, V. Ramanarayanan","doi":"10.1109/IICPE.2006.4685383","DOIUrl":"https://doi.org/10.1109/IICPE.2006.4685383","url":null,"abstract":"In the education of physical sciences, the role of the laboratory cannot be overemphasised. It is the laboratory exercises which enable the student to assimilate the theoretical basis, verify the same through bench-top experiments, and internalize the subject discipline to acquire mastery of the same. However the resources essential to put together such an environment is substantial. As a result, the students go through a curriculum which is wanting in this respect. This paper presents a low cost alternative to impart such an experience to the student aimed at the subject of switched mode power conversion. The resources are based on an open source circuit simulator (Sequel) developed at IIT Mumbai, and inexpensive construction kits developed at IISc Bangalore. The Sequel programme developed by IIT Mumbai, is a circuit simulation program under linux operating system distributed free of charge. The construction kits developed at IISc Bangalore, is fully documented for anyone to assemble these circuit which minimal equipment such as soldering iron, multimeter, power supply etc. This paper puts together a simple forward dc to dc converter as a vehicle to introduce the programming under sequel to evaluate the transient performance and small signal dynamic model of the same. Bench tests on the assembled construction kit may be done by the student for study of operation, transient performance and closed loop stability margins etc.","PeriodicalId":227812,"journal":{"name":"2006 India International Conference on Power Electronics","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125765137","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: 6