Căutare Annals of the University "Dunarea de Jos" of Galati. Fascicle III: Electrotechnics, Electronics, Automation Control and Informatics după Titlu

Afișează articolele 179-198 of 230

    • Real Time wind Turbine Simulator Based on Frequency Controlled Servomotor 

      Cutululis, Nicolaos Antonio; Ciobotaru, Mihai; Ceangă, Emil; Roşu, Mina Emil ("Dunarea de Jos" University of Galati, 2002)
      This paper is a contribution to the development of a real time wind turbine simulator. The simulator is designed to generate wind power on its shaft, and provide the static and dynamic characteristics of a given turbine. ...

    • Real-Time Optimal Control Using Particule Swarm Optimization 

      Mînzu, Viorel (Universitatea "Dunărea de Jos" din Galați, 2017)
      Optimal Control Problems can be solved by a well known metaheuristic, Particle Swarm Optimization. A version of this metaheuristic has been used to develop an algorithm that solves such a problem. The solution can be ...

    • 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 ...

    • Relative Aggregation Operator in Database Fuzzy Querying 

      Tudorie, Cornelia; Bumbaru, Severin; Dumitriu, Luminiţa ("Dunarea de Jos" University of Galati, 2005)
      Fuzzy selection criteria querying relational databases include vague terms; they usually refer linguistic values form the attribute linguistic domains, defined as fuzzy sets. Generally, when a vague query is processed, the ...

    • Remote-Controlled Gesture Based Robotic Arm 

      Timis, Grigore Mihai; Gafencu, Natanel (Universitatea "Dunărea de Jos" din Galați, 2017)
      The project aims to implement the functionality of a robotic arm able to be guided through a web page, with the purpose to move an object from point A to point B. Also, the robotic arm can work in an automated way, in ...

    • A RLS Model Extracted by ICA 

      Colţuc, Daniela; Ilie, Mihaela; Merlan, Andreea ("Dunarea de Jos" University of Galati, 2007)
      This paper presents some preliminary results regarding the ability of ICA in analyzing spectrometric data. A set of RLS spectra, measured for different concentration DNA solutions, in the presence of the probe TbDTPA, is ...

    • Robots Control by Adaptive Gain Smooth Sliding Observer-Controller and Parameter Identification 

      Filipescu, A.; Dugard, L.; Dion, J.M. ("Dunarea de Jos" University of Galati, 2004)
      An adaptive gain, smooth sliding observer-controller are developed to control uncertain parameters, -degree of freedom rigid robotic manipulators. Furthermore, an on-line, closed loop identification scheme, for time-varying ...

    • Robust Control Methods for a Recycle Bioreactor 

      Ionete, Cosmin; Petre, Emil; Selişteanu, Dan ("Dunarea de Jos" University of Galati, 2001)
      The paper presents a robust control design strategy for bioprocesses, which are characterized by strongly nonlinear dynamics. More precisely, we present the H2 methodology in order to compute the controller for a recycle ...

    • Robust Discrete-Time Adaptive Sliding Mode WMR Trajectory Tracking and Parameter Identification 

      Filipescu, A.; Leite, F.; Nunes, U. ("Dunarea de Jos" University of Galati, 2004)
      In this paper a discrete-time adaptive sliding mode controller for three wheels mobile robot (WMR) is presented. The dynamical model with time-varying mass has been taken into account. The sliding-mode controller has ...

    • Robust Pid Design for the Deregulated Power System Using HSA 

      Bayati, Navid; Dadkhah, Akbar (Universitatea "Dunărea de Jos" din Galați, 2017)
      The frequency load control system was modeled in the two-area restructured system. In case of a sudden load variation in one area, the system frequency undergoes a corresponding change (normally accompanied by a series ...

    • Robust Routing Information Updating in IPV6 Networks 

      Adomnicăi, Cosmin; Mînzu, Viorel ("Dunarea de Jos" university of Galati, 2012)
      The mechanism that classical routing protocols use to transmit routing updates and to maintain adjacency can be susceptible to packets loss and to bandwidth limitation. We propose a new method for transmitting routing ...

    • Secure Analog Data Transmission Based on Rössler Chaotic System Behavior 

      Curiac, Daniel; Filip, Ioan; Drăgan, Florin ("Dunarea de Jos" University of Galati, 2000)
      This paper describes a new methodology for increasing the security of analog data transmission based on a mixture of the original analog signal with one of the state variables of Rössler chaotic system. The method is ...

    • 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 ...

    • Sift Based Algorithm for Point Feature Tracking 

      Burlacu, Adrian; Copot, Cosmin; Lazar, Corneliu ("Dunarea de Jos" University of Galati, 2007)
      In this paper a tracking algorithm for SIFT features in image sequences is developed. For each point feature extracted using SIFT algorithm a descriptor is computed using information from its neighborhood. Using an algorithm ...

    • A Simple Load Power Estimator for Quasi-Direct AC-AC Converter System 

      Găiceanu, Marian; Roşu, Emil ("Dunarea de Jos" University of Galati, 2003)
      In this paper a simple load power estimator for the three-phase quasi-direct acac converter system is reported. Since the ac-ac converter control by means of pulsewidth modulation (PWM) is based on the power balance ...

    • Simulation of four Switch PWM AC Chopper Fed Single Phase Induction Motor 

      Kumar, M. Narendra; Anjaneyulu, K.S.R. ("Dunarea de Jos" University of Galati, 2010)
      To improve the performance of motor drives, there is a need to improve the quality and reliability of the drive system. With the high power handling capability of IGBT, pulse width modulated AC chopper can be used in ...

    • A Simulation Platform to Model, Optimize and Design Wind Turbines, the Matlab / Simulink Toolbox 

      Iov, Florin; Blaabjerg, Frede; Hansen, Anca Daniela ("Dunarea de Jos" University of Galati, 2002)
      In the last years Matlab / Simulink® has become the most used software for modeling and simulation of dynamic systems. Wind energy conversion systems are for example such systems, containing subsystems with different ...

    • Simulation Results of Closed Loop Controlled Interline Power Flow Controller System 

      Usha Rani, P.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      The Interline Power Flow Controller (IPFC) is the latest generation of Flexible AC Transmission Systems (FACTS) devices which can be used to control power flows of multiple transmission lines. A dispatch strategy is ...

    • Simulation Results of Current Fed Interline Power Flow Controller Using Simulink 

      Irusapparajan, G.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      Interline Power Flow Controllers (IPFC) have been used to enhance and optimize the use of transmission facilities, under the concept of a Flexible AC Transmission System (FACTS). The main objectives of FACTS are to ...

    • Simulation Results of Single Stage AC-AC Converter for Induction Heating 

      Aruguman, S.; Rama Reddy, S. ("Dunarea de Jos" University of Galati, 2010)
      This paper presents simulation of single stage Induction heating system with series Load Resonance. Low frequency AC is converted in to High Frequency Ac using newly developed ZVS-PWM high frequency inverter. This High ...