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2011 Nirma University International Conference on Engineering最新文献

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Self commissioning: A unique feature of inverter-fed induction motor drives 自调试:变频器感应电机驱动的独特功能
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153302
J. Kania, T. Panchal, V. Patel, Kaushal R. Patel
{"title":"Self commissioning: A unique feature of inverter-fed induction motor drives","authors":"J. Kania, T. Panchal, V. Patel, Kaushal R. Patel","doi":"10.1109/NUICONE.2011.6153302","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153302","url":null,"abstract":"For the high-performance sensor-less vector control of an induction motor, the accuracy of the motor parameters has an important impact on the performance of the whole system. In this paper the method for self commissioning of inverter fed induction motor drive is presented. The method is based on three frequency-domain tests, performed at standstill, avoiding then the locked-rotor and no-load tests. The proposed algorithm can be implemented in standard motor drives in order to automatically perform self-commissioning.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134115505","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
Performance analysis of zero forcing detector for Alamouti transmit diversity with antenna selection in time varying channel 时变信道下带天线选择的Alamouti发射分集零强迫探测器性能分析
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153278
Umang Thaker, Siddharth Iyer, Y. Trivedi
{"title":"Performance analysis of zero forcing detector for Alamouti transmit diversity with antenna selection in time varying channel","authors":"Umang Thaker, Siddharth Iyer, Y. Trivedi","doi":"10.1109/NUICONE.2011.6153278","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153278","url":null,"abstract":"In this paper, we consider MISO systems with N transmit antennas and assume slowly time-varying channel. We select two out of N antennas and use Alamouti transmit diversity. At the receiver, we use zero-forcing detector and obtain expression of BER as a function of correlation (ρ) between two consecutive channel coefficients. We have also discussed some special cases, for example N = 2 transmit antennas and ρ = 1, and compared them with available results in literature.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127816473","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
Stability analysis of a pendulum based system using contraction analysis 用收缩分析法分析摆系统的稳定性
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153309
R. Gandhi, D. Adhyaru
{"title":"Stability analysis of a pendulum based system using contraction analysis","authors":"R. Gandhi, D. Adhyaru","doi":"10.1109/NUICONE.2011.6153309","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153309","url":null,"abstract":"This paper introduces a new method for deriving the virtual linearized model of a given non-linear system on the basis of convergence. Once the virtual model for a given system is obtained, it is very simple to analyze the behavior of given non-linear system. To represent an idea regarding the concept of contraction analysis an example of simple pendulum system has been taken and the virtual linearized model has been derived with the help of the Contraction analysis.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125755953","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
A GPU based image matching approach for DEM generation using stereo imagery 一种基于GPU的立体图像DEM生成方法
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153229
Ashutosh Gupta, S. Naidu, T. Srinivasan, B. Krishna
{"title":"A GPU based image matching approach for DEM generation using stereo imagery","authors":"Ashutosh Gupta, S. Naidu, T. Srinivasan, B. Krishna","doi":"10.1109/NUICONE.2011.6153229","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153229","url":null,"abstract":"Derivation of height information from stereo images is a trivial problem in the field of photogrammetry, remote sensing and computer vision. The algorithms for generation of height information from the stereo imagery in the form of Digital Elevation Model (DEM) primarily involve computationally complex image matching procedures. In this paper, we propose a Graphic Processing Units (GPU) based method that significantly improves the computational performance of the hierarchical image matching technique used for DEM generation. We have compared our results against single and multithreaded CPU based implementations. Experiments performed on Chandrayaan-1 Terrain Mapping Camera stereo image datasets using the Nvidia Tesla M2070 GPU show that the new method can perform as fast as 138 times compared to single threaded implementation and 5 times compared to a multithreaded implementation running on a multi CPU system.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128350409","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
Simulation & analysis of distribution static compensator (D-STATCOM) 配电静态补偿器(D-STATCOM)的仿真与分析
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153294
Hirak K. Shah, P. Kapil, M. Shah
{"title":"Simulation & analysis of distribution static compensator (D-STATCOM)","authors":"Hirak K. Shah, P. Kapil, M. Shah","doi":"10.1109/NUICONE.2011.6153294","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153294","url":null,"abstract":"Flexible AC Transmission Systems (FACTS) technology opens up new opportunities for controlling power and enhancing the usable capacity of present as well as new and upgraded lines. STATCOM is a FACTS device which can independently control flow of reactive power. This paper presents the simulation and analysis of a STATCOM (Static Synchronous Compensator) for voltage dip mitigation and other problems like correcting voltage sag and swell, which is based on a 2-level Voltage Source Converter. Simulations are carried out in MATLAB/Simulink to validate the performance of the STATCOM.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126721990","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: 11
Bone drilling: An area seeking for improvement 骨钻:寻求改善的部位
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153315
R. K. Pandey, S. Panda
{"title":"Bone drilling: An area seeking for improvement","authors":"R. K. Pandey, S. Panda","doi":"10.1109/NUICONE.2011.6153315","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153315","url":null,"abstract":"Bone fracture treatment commonly involves drilling of bone to produce hole for the screw insertion to fixate the fracture devices and implants. The use of high speed cutting tool during orthopaedic surgical process causes increase in the bone temperature which can cause thermal ostenecrosis. Some research have been carried out in this field but there is no consensus on the most suitable drill geometry and optimum drilling parameters to be used. This paper reviews the process of bone drilling, discusses about their problem and suggests optimum drill design and drilling parameters to avoid bone necrosis.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122580920","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: 7
Artificial intelligence based scan vector reordering for capture power minimization 基于人工智能的扫描矢量重排序捕获功率最小化
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153270
U. Mehta, K. Dasgupta, N. Devashrayee, H. Parmar
{"title":"Artificial intelligence based scan vector reordering for capture power minimization","authors":"U. Mehta, K. Dasgupta, N. Devashrayee, H. Parmar","doi":"10.1109/NUICONE.2011.6153270","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153270","url":null,"abstract":"Test Power is the major issues for the external testing of IP core based SoC. From a large pool of diverse available techniques for switching activity reduction during the external testing, only those schemes like ‘don't care bit filling’ and ‘reordering’ which do not require any modification in internal structure and do not demand use of any test development tool is used for SoC containing IP cores with hidden structure. The sequence of test vectors plays a significant role in capture power. The change in state of flipflop during capture depends upon the states of that flipflop in current scan-out vector and next scan-in vector. In this paper, the Artificial Intelligence Based Scan Vector Reordering (ASVR) is proposed to optimize the capture power reduction. This method uses very popular A∗ algorithm to reorder the test vectors to minimize the switching activity during capture operation.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"7 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116739980","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
Augmentation to water supply scheme using PLC & SCADA 利用PLC和SCADA对供水方案进行改进
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153314
A. B. Yadav, P. Shukla
{"title":"Augmentation to water supply scheme using PLC & SCADA","authors":"A. B. Yadav, P. Shukla","doi":"10.1109/NUICONE.2011.6153314","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153314","url":null,"abstract":"Water being scares and the cost of making it available is so high that it is essential to run the plant efficiently and safely so that wastage is minimized. Financial resources are always constrained in a growing economy like India and hence the capital investment should be safe guarded so as to provide a minimum life of 20 years with vary nominal maintenance cost. Availability of trained and skilled men power for operational maintenance in these inaccessible locations is a major problem. For all the above three problems the common solution is to provide a reliable instrumentation, control and automation package with a SCADA which can be connected to a remote monitoring station in future.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121480803","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
Job scheduling based on reliability, time and cost constraints under Grid environment 网格环境下基于可靠性、时间和成本约束的作业调度
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153224
Lathigara Amit Maheshbhai
{"title":"Job scheduling based on reliability, time and cost constraints under Grid environment","authors":"Lathigara Amit Maheshbhai","doi":"10.1109/NUICONE.2011.6153224","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153224","url":null,"abstract":"The advent of Grid environments made feasible the solution of computational intensive problems in a reliable and cost-effective way. As scheduling carry out more complex and mission-critical applications, Quality of Service (QoS) analysis serves to ensure that each application meets user requirements. In that frame, author presents a novel Ant colony algorithm with a quick convergence of ant to move from source to destination which allows the mapping of job processes to Grid provided services assuring at the same time end-to-end provision of QoS (cost, makespan and reliability) based on user-defined parameters and preferences. Paper also demonstrate the operation of the implemented algorithm using three different heuristics and evaluate its effectiveness using a Grid scenario.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132565805","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 software tool for selective harmonic elimination in multilevel inverters using Mathematica and Visual C++ 用Mathematica和visualc++编写的多电平逆变器选择性谐波消除软件
2011 Nirma University International Conference on Engineering Pub Date : 2011-12-01 DOI: 10.1109/NUICONE.2011.6153286
S. Sangeetha, S. Jeevananthan
{"title":"A software tool for selective harmonic elimination in multilevel inverters using Mathematica and Visual C++","authors":"S. Sangeetha, S. Jeevananthan","doi":"10.1109/NUICONE.2011.6153286","DOIUrl":"https://doi.org/10.1109/NUICONE.2011.6153286","url":null,"abstract":"This paper suggests a programming tool to calculate the switching angle required for eliminating the selected harmonics in a multilevel inverter (MLI). A systematic analysis and algorithm based off-line precalculation of switching angle for a range of modulation index using resultant theory is presented. The polynomial reduction is supported by Mathematica 6 and the accurate computation of switching instants is done by developing a tool in Visual C++ with an user friendly interface. The software tool objective is of twofold. The first one is to reduce the lower order dominant harmonics and second one is to minimize the total harmonic distortion (THD). The program developed is first of its kind, and can be successfully applied to n-level MLI. The efficient algorithm calculates all the possible triplent roots in a single step for a given input. Representative discussion and results are presented for a seven level cascaded inverter to eliminate the third, fifth and seventh harmonics. The triumph of the algorithm is validated by using Matlab/Simulink toolbox.","PeriodicalId":206392,"journal":{"name":"2011 Nirma University International Conference on Engineering","volume":"2019 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134130962","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
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