Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați: Recent submissions

Afișează articolele 1201-1220 of 1845

    • From CRM to Social CRM and FRM 

      Enache, Maria Cristina; Novac Ududec, Cornelia; Sbughea, Corina (Universitatea "Dunărea de Jos” din Galați, 2016)
      C-R-M stands for Customer Relationship Management. At its simplest, a CRM system allows businesses to manage business relationships and the data and information associated with them. While a CRM system may not elicit as ...

    • The Phase Spectra Based Feature for Robust Speech Recognition 

      Ali, Abbasian; Hosslen, Marvi ("Dunarea de Jos" University of Galati, 2009)
      Speech recognition in adverse environment is one of the major issue in automatic speech recognition nowadays. While most current speech recognition system show to be highly efficient for ideal environment but their ...

    • Channel Allocation Management Using Agents Technology 

      Sîrbu, Gabriel; Bogdan, Ion ("Dunarea de Jos" University of Galati, 2009)
      Channel allocation schemes are management techniques meant to solve the radio access problem in the telecommunications area. There are several known schemes namely: static, dynamic, hybrid and flexible channel allocation ...

    • A Distortion Input Parameter in Image Denoising Algorithms with Wavelets 

      Gogu, Anista; Aiordăchioaie, Dorel ("Dunarea de Jos" University of Galati, 2009)
      The problem of image denoising based on wavelets is considered. The paper proposes an image denoising method by imposing a distortion input parameter instead of threshold. The method has two algorithms. The first one is ...

    • Accurate Localization of Communicant Vehicles Using GPS and Vision System 

      Challita, G.; Mousset, S.; Nashashibi, F.; Bensrhair, A. ("Dunarea de Jos" University of Galati, 2009)
      The new generation of ADAS systems based on cooperation between vehicles can offer serious perspectives to the road security. The inter-vehicle cooperation is made possible thanks to the revolution in the wireless mobile ...

    • Power Estimation of Pipeline FFT Processors 

      Talebiyan, S. Reza; Hosseini-Khayat, Saied ("Dunarea de Jos" University of Galati, 2009)
      Pipeline FFT processors are used in mobile communication systems and in particular in OFDM-based systems. This paper presents a method for power analysis of pipeline FFT processors. This method applies to various ...

    • Active Power Filter with Indirect Control for Line-Frequency Controlled Rectifiers 

      Roşu, E.; Culea, M.; Dumitriu, T. ("Dunarea de Jos" University of Galati, 2009)
      Line-frequency controlled rectifiers have two major disadvantages: variable displacement power factor and high harmonic current fed to the power supply. If the power converter is large, e.g. for rolling mills drives, it ...

    • Analysis and Design of Embedded Controlled Parallel Resonant Converter 

      Chandrasekhar, P.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2009)
      Microcontroller based constant frequency controlled full bridge LC parallel resonant converter is presented in this paper for electrolyser application. An electrolyser is a part of renewable energy system which generates ...

    • Integrated Solid Oxide Fuel Cell Power System Characteristics Prediction 

      Gâlceanu, Marian; Orsello, Glanmichele ("Dunarea de Jos" University of Galati, 2009)
      The main objective of this paper is to deduce the specific characteristics of the CHP 100kWe Solid Oxide Fuel Cell (SOFC) Power System from the steady state experimental data. From the experimental data, the authors have ...

    • Proton Exchange Membrane Fuel Cell Modelling Using Moving Least Squares Technique 

      Tîrnovan, R.; Giurgea, S.; Miraoui, A. ("Dunarea de Jos", 2009)
      Proton exchange membrane fuel cell, with low polluting emissions, is a great alternative to replace the traditional electrical power sources for automotive applications or for small stationary consumers. This paper ...

    • Spatio-Temporal Dynamics in Celular Neural Networks 

      Goras, Liviu ("Dunarea de Jos" University of Galaţi, 2009)
      Analog Parallel Architectures like Cellular Neural Networks (CNN’s) have been thoroughly studied not only for their potential in high-speed image processing applications but also for their rich and exciting spatio-temporal ...

    • Learning Bayesian Dependence Model for Student Modelling 

      Cocu, Adina ("Dunarea de Jos" University of Galati, 2008)
      Learning a Bayesian network from a numeric set of data is a challenging task because of dual nature of learning process: initial need to learn network structure, and then to find out the distribution probability tables. ...

    • Recommendation Process SRI Web Document Recommender System 

      Minteanu, Dan ("Dunarea de Jos" University of Galati, 2008)
      This paper presents a recommender system for web documents (given as bookmarks). The system uses for classification a combination of content, event and collaborative filters and for recommendation a modified Pearson-r ...

    • Web User Profile Using XUL and Information Retrieval Techniques 

      Munteanu, Dan ("Dunarea de Jos" University of Galati, 2008)
      This paper presents the importance of user profile in information retrieval, information filtering and recommender systems using explicit and implicit feedback. A Firefox extension (based on XUL) used for gathering data ...

    • Pid Self-Tuning Controllers Used in Different Structures of the Control Loops 

      Dugan, Viorel; Dan, Adrian; Ionescu, Clara; Cotrumba, Mirela ("Dunarea de Jos" University of Galati, 2008)
      The paper investigates the behavior of digital PID self-tuning controllers (STC) in different structures of the control loops used in adaptive systems. In the two phases of this type of systems which use a STC-PID, the ...

    • Selection of the Diagnostic Hypotheses Through Fuzzy Decizion in Medical Diagnosis System 

      Munteanu, Sabina (The Annals of "Dunarea de Jos" University of Galati, 2008)
      The paper presents an evaluation of the diagnostic hypotheses’ selection step within the medical diagnosis hybrid system DiaMed. Medical diagnoses are described in DiaMed through fuzzy decision functions that are used ...

    • Modelling and Simulation of Static Var Compensator(SVC) in Power System Studies by Matlab 

      Boudjelia, Houari; Gherbi, Fatima Zobra; Lakdja, Fatiha ("Dunarea de Jos" University of Galati, 2008)
      This paper presents the modelling and simulation of Static Var Compensator (SVC) in power system studies by MATLAB. In the first step, we have modeled mathematically with MathCAD how to analyze the rating of SVC (Boudjella, ...

    • Fast Acting Robust Controller for Pitch Control System 

      Khuntia, P.S.; Mitra, Debja ("Dunarea de Jos' University of Galati, 2008)
      In this paper a classical feedback controller has been designed to furnish fast acting characteristics in the face of parametric perturbation using two parameters, Generalized Time Constant and Characteristic Ratios. The ...

    • The Appoach for Optimization of Transmission Over Power Links Using the Thyristor-Controlled Series Compensation 

      Gherbi, Fatima Zohra (The Annals of "Dunarea de Jos" University of Galati, 2008)
      The energy transportation networks can be improved by multiplying or creating new lines. This is not always the case for various reasons. The series capacities controlled by SCRs (Silicon Controlled Rectifiers) represent ...

    • An Efficient DC-DC Converter with Bidirectional Power Flow 

      Rajarajeswari, N.; Thanushkodi, K. ("Dunarea de Jos" University of Galati, 2008)
      This paper introduces a Bi-directional DC-DC converter with adaptive fuzzy logic controller. Bidirectional power flow is obtained by same power components and provides a simple, efficient, and galvanically isolated ...