Search results for: B. Kalavathi

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Kalavathi</title> <meta name="description" content="Search results for: B. Kalavathi"> <meta name="keywords" content="B. Kalavathi"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="B. 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Kalavathi"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: B. Kalavathi</h1> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Survey of Key Management Algorithms in WiMAX</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=R.%20Chithra">R. Chithra</a>, <a href="https://publications.waset.org/search?q=B.%20Kalavathi"> B. Kalavathi</a>, <a href="https://publications.waset.org/search?q=J.%20Christy%20Lavanya"> J. Christy Lavanya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> <p>WiMAX is a telecommunications technology and it is specified by the Institute of Electrical and Electronics Engineers Inc., as the IEEE 802.16 standard. The goal of this technology is to provide a wireless data over long distances in a variety of ways. IEEE 802.16 is a recent standard for mobile communication. In this paper, we provide an overview of various key management algorithms to provide security for WiMAX.</p> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Broadcast" title="Broadcast">Broadcast</a>, <a href="https://publications.waset.org/search?q=Rekeying" title=" Rekeying"> Rekeying</a>, <a href="https://publications.waset.org/search?q=Scalability" title=" Scalability"> Scalability</a>, <a href="https://publications.waset.org/search?q=Secrecy" title=" Secrecy"> Secrecy</a>, <a href="https://publications.waset.org/search?q=Unicast" title=" Unicast"> Unicast</a>, <a href="https://publications.waset.org/search?q=WiMAX." title=" WiMAX."> WiMAX.</a> </p> <a href="https://publications.waset.org/9999708/survey-of-key-management-algorithms-in-wimax" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/9999708/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/9999708/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/9999708/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/9999708/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/9999708/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/9999708/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/9999708/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/9999708/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/9999708/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/9999708/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/9999708.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2035</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Design of a Non-linear Observer for VSI Fed Synchronous Motor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=P.%20Ramana">P. Ramana </a>, <a href="https://publications.waset.org/search?q=K.%20Alice%20Mary"> K. Alice Mary</a>, <a href="https://publications.waset.org/search?q=M.%20Surya%20Kalavathi"> M. Surya Kalavathi</a>, <a href="https://publications.waset.org/search?q=M.%20Phani%20Kumar"> M. Phani Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper discusses two observers, which are used for the estimation of parameters of PMSM. Former one, reduced order observer, which is used to estimate the inaccessible parameters of PMSM. Later one, full order observer, which is used to estimate all the parameters of PMSM even though some of the parameters are directly available for measurement, so as to meet with the insensitivity to the parameter variation. However, the state space model contains some nonlinear terms i.e. the product of different state variables. The asymptotic state observer, which approximately reconstructs the state vector for linear systems without uncertainties, was presented by Luenberger. In this work, a modified form of such an observer is used by including a non-linear term involving the speed. So, both the observers are designed in the framework of nonlinear control; their stability and rate of convergence is discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Permanent%20magnet%20synchronous%20motor" title="Permanent magnet synchronous motor">Permanent magnet synchronous motor</a>, <a href="https://publications.waset.org/search?q=Mathematicalmodelling" title=" Mathematicalmodelling"> Mathematicalmodelling</a>, <a href="https://publications.waset.org/search?q=Rotor%20reference%20frame" title=" Rotor reference frame"> Rotor reference frame</a>, <a href="https://publications.waset.org/search?q=parameter%20estimation" title=" parameter estimation"> parameter estimation</a>, <a href="https://publications.waset.org/search?q=Luenbergerobserver" title=" Luenbergerobserver"> Luenbergerobserver</a>, <a href="https://publications.waset.org/search?q=reduced%20order%20observer" title=" reduced order observer"> reduced order observer</a>, <a href="https://publications.waset.org/search?q=full%20order%20observer" title=" full order observer"> full order observer</a> </p> <a href="https://publications.waset.org/3403/design-of-a-non-linear-observer-for-vsi-fed-synchronous-motor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/3403/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/3403/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/3403/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/3403/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/3403/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/3403/json" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">JSON</a> <a href="https://publications.waset.org/3403/mla" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">MLA</a> <a href="https://publications.waset.org/3403/ris" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">RIS</a> <a href="https://publications.waset.org/3403/xml" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">XML</a> <a href="https://publications.waset.org/3403/iso690" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">ISO 690</a> <a href="https://publications.waset.org/3403.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">1868</span> </span> </div> </div> <div class="card publication-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Simplified Space Vector Based Decoupled Switching Strategy for Indirect Vector Controlled Open-End Winding Induction Motor Drive</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/search?q=Syed%20Munvar%20Ali">Syed Munvar Ali</a>, <a href="https://publications.waset.org/search?q=V.%20Vijaya%20Kumar%20Reddy"> V. Vijaya Kumar Reddy</a>, <a href="https://publications.waset.org/search?q=M.%20Surya%20Kalavathi"> M. Surya Kalavathi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a dual inverter configuration has been implemented for induction motor drive. This isolated dual inverter is capable to produce high quality of output voltage and minimize common mode voltage (CMV). To this isolated dual inverter a decoupled space vector based pulse width modulation (PWM) technique is proposed. Conventional space vector based PWM (SVPWM) techniques require reference voltage vector calculation and sector identification. The proposed decoupled SVPWM technique generates gating pulses from instantaneous phase voltages and gives a CMV of ±v<sub>dc/6. </sub>To evaluate proposed algorithm MATLAB based simulation studies are carried on indirect vector controlled open end winding induction motor drive. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/search?q=Inverter%20configuration" title="Inverter configuration">Inverter configuration</a>, <a href="https://publications.waset.org/search?q=decoupled%20SVPWM" title=" decoupled SVPWM"> decoupled SVPWM</a>, <a href="https://publications.waset.org/search?q=common%20mode%20voltage" title=" common mode voltage"> common mode voltage</a>, <a href="https://publications.waset.org/search?q=vector%20control." title=" vector control. "> vector control. </a> </p> <a href="https://publications.waset.org/10009643/simplified-space-vector-based-decoupled-switching-strategy-for-indirect-vector-controlled-open-end-winding-induction-motor-drive" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/10009643/apa" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">APA</a> <a href="https://publications.waset.org/10009643/bibtex" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">BibTeX</a> <a href="https://publications.waset.org/10009643/chicago" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Chicago</a> <a href="https://publications.waset.org/10009643/endnote" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">EndNote</a> <a href="https://publications.waset.org/10009643/harvard" target="_blank" rel="nofollow" class="btn btn-primary btn-sm">Harvard</a> <a href="https://publications.waset.org/10009643/json" target="_blank" rel="nofollow" class="btn 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Search results for: B. Kalavathi