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Five-phase induction motor behaviour under faulted conditions 故障条件下的五相感应电动机行为
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768776
T. Hussain, S. Ahmed, A. Iqbal, M.R. Khan
{"title":"Five-phase induction motor behaviour under faulted conditions","authors":"T. Hussain, S. Ahmed, A. Iqbal, M.R. Khan","doi":"10.1109/INDCON.2008.4768776","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768776","url":null,"abstract":"In this paper, simple phase variable model of a five-phase induction motor drive is presented. The model is implemented using MATLAB/SIMULINK software. A number of electrical faults which are common in inverter fed drives are created. The faults considered are open circuit faults in one phase and two phases. As these motor drives are intended for disturbance free operation, the analysis of these is an important aspect to investigate under different faults. Simulation results for each fault have been provided and their detailed analysis has been carried out. Experimental proof is also provided to support the findings.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"248 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121044735","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
Adaptive relay based identification and control of Hammerstein-type nonlinear processes 基于自适应继电器的hammerstein型非线性过程辨识与控制
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768749
U. Mehta, S. Majhi
{"title":"Adaptive relay based identification and control of Hammerstein-type nonlinear processes","authors":"U. Mehta, S. Majhi","doi":"10.1109/INDCON.2008.4768749","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768749","url":null,"abstract":"This paper presents a very simple and effective identification and control method for Hammerstein type nonlinear processes. Generally, a nonlinear process possessing static nonlinearity experiences an asymmetrical limit cycle output. During the relay feedback test, the relay height is adjusted such that the output becomes symmetrical. The static nonlinearity is identified from a single test and then its inverse function is used to nullify static nonlinearity in the process. Thereafter, a linear process model is identified and subsequently a linear PID controller is designed. Finally, the PID controller along with the inverse nonlinear function yields a simple nonlinear PID controller that is capable of controlling the nonlinear process effectively. The usefulness of proposed identification and control strategy is illustrated by two simulation examples.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"194 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122388881","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
Interpolation of lost frames of a video stream using object based motion estimation and compensation 使用基于对象的运动估计和补偿的视频流丢失帧的插值
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768798
A. Kaur, P. Sircar, A. Banerjee
{"title":"Interpolation of lost frames of a video stream using object based motion estimation and compensation","authors":"A. Kaur, P. Sircar, A. Banerjee","doi":"10.1109/INDCON.2008.4768798","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768798","url":null,"abstract":"While transmitting a video stream some frames may be lost due to noise or congestion in the network. For interpolating the lost frames using the received frames various techniques were proposed, but these techniques are good only for slow motion video. For fast motion video, these interpolating techniques create artifacts in the interpolated frames. We propose a new technique for interpolating lost frames using object based motion estimation and compensation. The proposed method is based on the estimation of displacements of the minimum bounding box (MBB) sides of an object. From the received frames we first detect the type of motion (translation, rotation, part rotation) that the object has undergone. Then, after detecting the motion and the displacement of the object from one received frame to another received frame, the object in the missing frame is linearly interpolated from the object motion and the positions of the object in the two received frames.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126105418","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
State dependent communication topology for two satellites seeking angular velocity consensus 寻求角速度一致的两颗卫星状态依赖通信拓扑
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768814
P. Shukla, S. Bhat
{"title":"State dependent communication topology for two satellites seeking angular velocity consensus","authors":"P. Shukla, S. Bhat","doi":"10.1109/INDCON.2008.4768814","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768814","url":null,"abstract":"In this paper we study state dependent and dynamically changing communication topology for two satellites under a control protocol for angular velocity consensus. Satellites are assumed to be moving with same linear velocity and having body fixed parallel axes of rotation. Each satellite is equipped with single communication antenna. We have achieved conditions on initial state of satellites that predict possibility of future communication or no communication between satellites. Also, it is shown that under certain conditions, if communication between satellites occurs once then communication between satellites occurs again and again. The set containing positive limit sets has been identified.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128172587","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
Optimization of SHO margin in WCDMA network WCDMA网络SHO余量的优化
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768745
S. Tamilselvan, N. Thyagarajeswara Naidu, K. Manivannan
{"title":"Optimization of SHO margin in WCDMA network","authors":"S. Tamilselvan, N. Thyagarajeswara Naidu, K. Manivannan","doi":"10.1109/INDCON.2008.4768745","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768745","url":null,"abstract":"The focus of the paper is to analyze the downlink performance of a wideband code division multiple access (WCDMA) system with site selection diversity transmission (SSDT) power control during soft handover (SHO) mode and to find the optimum SHO margin (MSH) in terms of maximum system capacity under energy-per-bit to noisespectral density ratio (Eb/No) quality requirements. Analyzing the dependency of the connection probabilities, percentage of users connected to one, two, or three Base Stations (BSs) simultaneously as a function of the MSH. Analyzed the system capacity and required resources dependency on MSH for voice service and combined multimedia mobile services. System capacity dependency on MSH is analyzed, by considering two types of user distributions, namely 1) uniform user distribution and 2) a concentration of all the users in the location that requires maximum transmitted power (the worst case). The result of this analysis shows an increase in user capacity of about 16% - 20% for the optimum MSH of 5-5.5dB. Nevertheless, the resources required (number of scrambling codes) by the base station increases faster than the number of active users in terms of MSH.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133559639","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
Multiple-model control of pH neutralization plant using the SOM neural networks 基于SOM神经网络的pH中和装置多模型控制
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768811
P. Bashivan, A. Fatehi, E. Peymani
{"title":"Multiple-model control of pH neutralization plant using the SOM neural networks","authors":"P. Bashivan, A. Fatehi, E. Peymani","doi":"10.1109/INDCON.2008.4768811","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768811","url":null,"abstract":"A multiple-model adaptive controller is developed using the self-organizing map (SOM) neural network. The considered controller which we name it as multiple controller via SOM (MCSOM) is evaluated on the pH neutralization plant. An improved switching algorithm based on excitation level of plant has also been suggested for systems with noisy environments. Identification of pH plant using SOM is discussed and performance of the multiple-model controller is compared to the self tuning regulator (STR) controller.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130399686","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
A novel automatic method for multivariable process pairing and control 一种新的多变量过程自动配对与控制方法
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768837
M. Moezzi, A. Fatehi, M. Nekoui
{"title":"A novel automatic method for multivariable process pairing and control","authors":"M. Moezzi, A. Fatehi, M. Nekoui","doi":"10.1109/INDCON.2008.4768837","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768837","url":null,"abstract":"Pairing is the first step of decentralized controller design procedure in multi-input multi-output (MIMO) processes. In spite of considerable efforts dedicated to this problem, most of the known pairing techniques are offline algorithms and fail to decide when dealing with high dimensional and/or time varying processes and adaptive control applications. In this article, normalized effective relative gain array (NERGA) is introduced as an effective automatic pairing method and is employed in a new adaptive decentralized PID control strategy.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124999501","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
Control of particle dynamics in a compact size gas insulated busduct with dielectric films 带介电膜的小型气体绝缘管道中粒子动力学的控制
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768768
G. Kumar, J. Amarnath, B.P. Singh, D. Chowdary
{"title":"Control of particle dynamics in a compact size gas insulated busduct with dielectric films","authors":"G. Kumar, J. Amarnath, B.P. Singh, D. Chowdary","doi":"10.1109/INDCON.2008.4768768","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768768","url":null,"abstract":"The development of compressed gas insulated switchgear (GIS) equipment has progressed rapidly. Conducting particles in transmission and switching equipment insulated by compressed sulphur hexafluoride (SF6) can result in loss of as much as 90% of the gas dielectric strength. These particles may be free to move in the electric field or may be fixed on the conductors, thus enhancing local surface fields. In a horizontal coaxial system with particles resting on the inside surface of the enclosure, the motion of such particles is random but the randomness depends on the coefficient of restitution and angle of incidence when approaching the coaxial conductors. The power industry has utilized several methods to control and minimize the effect of particle contamination in GIS. One such technique is to apply a dielectric (high resistivity) coating to the inside surface of the outer GIS enclosure. The electric field necessary to lift a particle resting on the inside surface of a GIS enclosure is much increased due to the coating. The simulation of the particle movement was carried under different AC voltage levels for coated and uncoated cases. The results have been presented and analyzed.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128613937","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 a permanent magnet synchronous motor 永磁同步电机的矢量控制
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768805
R. Sharma, V. Sanadhya, L. Behera, S. Bhattacharya
{"title":"Vector control of a permanent magnet synchronous motor","authors":"R. Sharma, V. Sanadhya, L. Behera, S. Bhattacharya","doi":"10.1109/INDCON.2008.4768805","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768805","url":null,"abstract":"This paper is concerned with vector control of permanent magnet synchronous motor (PMSM). Recent research has indicated that PMSM could become a serious competitor to the induction motor (IM) for high performance servo applications. Mathematical model of a PMSM is developed with the help of Park and Clarke transformations. The concept of vector control is applied to PMSM to obtain linear dynamics similar to that of a DC motor. The linearized model consists of two control loops namely, current loop and speed loop. The objective of the control scheme is to achieve very fast response. The performance of PMSM drive system under different speed reference input is evaluated on the basis of simulation and experimental results. All the experiments have been done on PMSM with the help of ADMC-401 motor control DSP and an inverter circuit.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117091322","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: 63
Gap-coupled stacked microstrip antenna for dual band operation 用于双波段工作的间隙耦合堆叠微带天线
2008 Annual IEEE India Conference Pub Date : 2008-12-01 DOI: 10.1109/INDCON.2008.4768738
J. A. Ansari, R. Ram, N. Yadav
{"title":"Gap-coupled stacked microstrip antenna for dual band operation","authors":"J. A. Ansari, R. Ram, N. Yadav","doi":"10.1109/INDCON.2008.4768738","DOIUrl":"https://doi.org/10.1109/INDCON.2008.4768738","url":null,"abstract":"Theoretical investigations of a gap-coupled stacked microstrip antenna is presented using equivalent circuit concept. It is found that the antenna operates with dual frequency band characteristics with resonances at 4.76 GHz and 6.79 GHz. The dual nature of the antenna is realized by adding coplanar U-shaped parasitic elements around the radiating edges of the fed patch and stacking a rectangular patch above them. The lower and upper frequency bands are achieved as 443 MHz and 287 MHz respectively. The radiation patterns show shifts of 5deg towards left and 12deg towards right for lower and upper resonance frequencies respectively.","PeriodicalId":196254,"journal":{"name":"2008 Annual IEEE India Conference","volume":"62 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114130270","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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