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Research ArticleOpen accessEvery word in the titleNOVEL REVERSIBLE VARIABLE PRECISION MULTIPLIER USING REVERSIBLE LOGIC GATESM. Saravanan, K. Suresh ManicMultipliers play a vital role in digital systems especially in digital processors. There are many algorithms and designs were proposed in the earlier works, but still there is a need and a greater interest in designing a less complex, low power consuming, fastest multipliers. Reversible logic design became the promising technologies gaining greater interest due to less dissipation of heat … …Journal of Computer Science, Vol. 10, Issue 7 · 12 Feb 2014 · 6,706 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleENHANCEMENT OF CREATIVITY THROUGH LOGO PROGRAMMINGBens Pardamean, EvelinThis study evaluated the effect of Logo programming in enhancing creativity skills. Eighty five fifth-grade students were assigned to experimental and control groups. A pre-test was administered to assess figural creativity factors consisting of receptive fluency, flexibility, originality and elaboration. After eight weeks of Logo programming learning, the experimental group had significantly higher scores compared to the control group on … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 23 Jan 2014 · 7,389 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDESIGN OF OPTIMAL CARRY SKIP ADDER AND CARRY SKIP BCD ADDER USING REVERSIBLE LOGIC GATESPraveena Murugesan, Thanushkodi KeppanagounderReversible logic circuits have the ability to produce zero power dissipation which has found its importance in quantum computing, optical computing and low power digital circuits. The study presents improved and efficient reversible logic circuits for carry skip adder and carry skip BCD adder. The performance of the proposed architecture is better than the existing works in terms of gate … …Journal of Computer Science, Vol. 10, Issue 5 · 26 Dec 2013 · 6,677 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComparative Analysis of Reversible Logic Based Carbon Nano Tube Field Effect Transistor Multiplexer PerformanceY. Varthamanan, V. KannanThis study is about the design and analysis of a reversible logic based multiplexer, that is realized using carbon nano tube transistor. Reversible logic realization of the digital circuits offers numerous advantages over conventional circuit design. Power analysis was performed using HSPICE simulation software and the results are obtained for the 2×1 and 4×1 multiplexer transient behavior. The power consumption … …American Journal of Applied Sciences, Vol. 10, Issue 11 · 5 Oct 2013 · 6,637 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA STUDY OF FIRST YEAR TERTIARY STUDENTS’ MATHEMATICAL KNOWLEDGE- CONCEPTUAL AND PROCEDURAL KNOWLEDGE, LOGICAL THINKING AND CREATIVITYGurudeo Anand Tularam, Kees HulsmanThis study focuses on students in first year environmental science degree programs where traditionally mathematical emphasis has been much less than the strict science or math majors. The importance now placed in applied mathematics means that students need to gain more conceptual and quantitative knowledge in not only the environmental degree programs but also in most if not all non-mathematical … …Journal of Mathematics and Statistics, Vol. 9, Issue 3 · 1 Aug 2013 · 7,255 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDESIGN OF FUZZY LOGIC CONTROLLER FOR ONLINE SPEED REGULATION OF DC MOTOR USING PWM TECHNIQUE BASED ON LABORATORY VIRTUAL INSTRUMENT ENGINEERING WORKBENCHPrema Kannan, Senthil Kumar Natarajan, Subhransu Sekar DashThis study details online speed regulation of DC motor using PWM technique based on LabVIEW. A fuzzy logic controller is designed to change the pulse width of switching signal applied to the converter and thereby the voltage fed to the armature of the separately excited DC motor to regulate the speed. The proposed system is connected to the server computer … …Journal of Computer Science, Vol. 9, Issue 8 · 4 Jul 2013 · 6,715 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Development of Expert Mood Identifier System using Fuzzy Logic on Blackberry PlatformOctavia George, Maria Gorethi, Syerra Riswandi, Widodo BudihartoIn our daily life, deciding what caused the bad mood is not easy. This study will design an Expert Mood Identifier System for mobile application. We propose a model that uses 6 variables as the inputs, they are intensity of Sleep (SL), intensity of Eat (ET), hours of using Phone (PH), Spare Time (ST), intensity of Sensitive (SN), intensity of … …Journal of Computer Science, Vol. 9, Issue 6 · 3 Jun 2013 · 7,003 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Meteorological Tower Based Wind Speed Prediction Model Using Fuzzy LogicSardar Maran Poongavanam, Ponnusamy RamalingamA number of wind speed prediction methods are available for estimating wind energy availability. In recent years there is a lot of research works carried out to predict wind speed by using mathematical and soft computing techniques. In this study the wind speed profile at different heights are predicted with the available meteorological tower data. The wind speed data at … …American Journal of Environmental Sciences, Vol. 9, Issue 3 · 7 May 2013 · 6,866 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleImplementation of Fuzzy Logic Maximum Power Point Tracking Controller for Photovoltaic SystemRasoul Rahmani, Mohammadmehdi Seyedmahmoudian, Saad Mekhilef, Rubiyah YusofIn this study, simulation and hardware implementation of Fuzzy Logic (FL) Maximum Power Point Tracking (MPPT) used in photovoltaic system with a direct control method are presented. In this control system, no proportional or integral control loop exists and an adaptive FL controller generates the control signals. The designed and integrated system is a contribution of different aspects which includes … …American Journal of Applied Sciences, Vol. 10, Issue 3 · 5 Mar 2013 · 7,870 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleParameter Estimation and Determination of Sample Size in Logistic RegressionAdeleke Kazeem Adedayo, Dawud Adebayo AgunbiadeThe determination of Sample-Size is often an important step in planning a statistical study and it is usually a difficult task. Among the important hurdles to be surpassed, one must obtain an estimate of one or more error variances and specify an effective sample size of importance. The study was carried out to check for the estimation of parameter and … …Journal of Mathematics and Statistics, Vol. 8, Issue 4 · 4 Feb 2013 · 6,915 accessesView PDFCite