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899 results for “T. Devi”
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Research ArticleOpen accessEvery word in the titleAn Optimized Device Sizing of Analog Circuits using Particle Swarm OptimizationP. Prem Kumar, K. DuraiswamyProblem statement: Day by day more and more products rely on analog circuits to improve the speed and reduce the power consumption(Products rely on analog circuits to improve the speed and reduce the power consumption day by day more and more.). For the VLSI implementation analog circuit design plays an important role. This analog circuit synthesis might be the most … …Journal of Computer Science, Vol. 8, Issue 6 · 19 Mar 2012 · 7,769 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAdaptive Complementary Metal-Oxide-Semiconductor Device by Externally Controlled Gate Oxide ThicknessB. Gopi, R. S.D. WahidabanuProblem statement: Since the advent of IC and VLSI technology, the demand for high-speed devices and equipment is growing very rapidly. Every individual researcher is marching towards the dream of achieving it. The role of a design engineer is becoming more challenging. As per Moore’s law, the packing density doubles every eighteen months. This is possible only by scaling down … …Journal of Computer Science, Vol. 8, Issue 4 · 1 Feb 2012 · 7,103 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDerivation of the Limits for Control Chart Using the Median Absolute Deviation for Monitoring Non-Normal ProcessK. S. Adekeye, P. I. AzubuikeProblem statement: The Shewhart and S control charts, in the literature, were combined to evaluate the stability of a process. These charts were based on the fundamental assumption of normality of the quality characteristics under investigation. Approach: In practice, the normality assumption was often violated by real life data, therefore, use of the Shewhart and S control charts on real … …Journal of Mathematics and Statistics, Vol. 8, Issue 1 · 24 Dec 2011 · 8,435 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleClient Device Based Content Adaptation Using Rule BaseVelammal, Anandha KumarProblem statement: Content adaptation have been playing an important role in mobile devices, wherein the content display differs from desktop computers in many aspects, such as display screens, processing power, network connection bandwidth. In order to display web contents appropriately on mobile devices and on other types of devices such as hand computers, PDAs, Smart phones, it is important to … …Journal of Computer Science, Vol. 7, Issue 12 · 22 Oct 2011 · 6,786 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNonlinear Control Design of Shunt Flexible AC Transmission System Devices for Damping Power System OscillationPrechanon KumkratugProblem statement: The disturbance in the complicated network of power system may cause in nonlinear response. Static Synchronous Compensator (STATCOM) is a power electronic based device that has the capability of controlling the line current. This study applies the STATCOM to decrease the over line current in power system during dynamic state. Approach: This study proposes the control strategy of … …Journal of Computer Science, Vol. 7, Issue 6 · 14 Jun 2011 · 6,599 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCoordination of Series and Shunt Flexible AC Transmission System Devices Based Voltage Source Converter for Improving Power System StabilityPrechanon KumkratugProblem Statement: Static Synchronous Compensator (STATCOM) and Static Synchronous Series Compensator (SSSC) have been individually applied to improve stability of power system. Approach: This study presents the coordination of a STATCOM and SSSC for improving power system stability. The swing curves of the three phase faulted power system with various cases are tested and compared. Results: The swing curve of … …American Journal of Applied Sciences, Vol. 8, Issue 5 · 17 May 2011 · 7,065 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCoordination of Series and Shunt Flexible Alternating Current Transmission Line System Devices Based Thyristor Controller for Improving Power System StabilityPrechanon KumkratugProblem statement: Thyristor Controlled Series Capacitor (TCSC) and Static Var Compensator (SVC) have been individually applied to improve stability of power system. Approach: This study presents the coordination of a TCSC and SVC for improving power system stability. The swing curves of the three phase faulted power system with various cases are tested and compared. Results: The swing curve of … …American Journal of Applied Sciences, Vol. 8, Issue 4 · 18 Apr 2011 · 7,260 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNonlinear Control Design of Series FACTS Devices for Damping Power System OscillationPrechanon KumkratugProblem statement: The disturbance in the complicated network of power system may cause in nonlinear response. Static Synchronous Series Compensator (SSSC) is a power electronic based device that has the capability of controlling the line current. This study applies the SSSC to decrease the over line current in power system during dynamic state. Approach: This study proposes the control strategy … …American Journal of Applied Sciences, Vol. 8, Issue 2 · 28 Feb 2011 · 7,329 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleObject Oriented Modeling of Thermostatically Controlled Devices for Cold Load Pick-upAlexandre de Assis Mota, Lia Toledo Moreira Mota, Claudia Cotrim PezzutoProblem statement: During service restoration, the power level at buses can significantly differ from the one presented under steady-state conditions, demanding an amount of electric power significantly higher than the normal load. Hence, their post-outage behavior must be adequately forecasted in order to permit the development of reliable restoration plans, or to avoid inadequate actions that may lead to a … …Journal of Computer Science, Vol. 7, Issue 2 · 25 Feb 2011 · 6,847 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCritical Retrospect on Conventional and Luminescent Solar Concentration DevicesHamzah Abdul-Rahman, Chen WangProblem statement: Conventional solar concentrators are only sensitive for the beam radiation and they function poorly in overcast sky conditions. Even under a clear sky condition, trackers are always needed for conventional solar concentrators. Static concentrators always come with a poor concentration rate without a tracker and the light concentrated by normal Luminescent Solar Concentrators (LSC) could not be transported … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 6,924 accessesView PDFCite