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

Afișează articolele 1321-1340 of 1845

    • On Image Transmission in Communication Channels Using Alamouti Space-Time Codes 

      Andrei, Mihaela; Nicolau, Viorel ("Dunarea de Jos" University of Galati, 2012)
      Transmitting large amounts of data through wireless communication channels, at high speed and low error probability, is a major challenge for the researchers in the field. In this paper, aspects of image transmission in ...

    • Numerical Evaluation of Reliability Indicators Under Optimal Renewal Strategies 

      Mărăşescu, Nicolae ("Dunarea de Jos" University of Galati, 2012)
      This paper investigates the opportunity of using a numerical procedure for computing the renewal parameters of an equipment. The reasons of this approach reside in the sampled way we measure the process variables and the ...

    • Multiple Bistreams Generation Using Chaotic Sequences 

      Diaconu, Adrian-Viorel ("Dunarea de Jos" University of Galati, 2012)
      This article presents a method to transform a chaotic sequence of real numbers into multiple bitstreams, using multi-level discretization. Although the original intent was to achieve a higher/multiple flow of bits, much ...

    • Designing a Modular Simulator for a Navigation Lock 

      Bărbulescu, Lucian-Florentin; Mînzu, Viorel ("Dunarea de Jos" University of Galati, 2012)
      When building a simulator for an industrial installation, a divide and conquer approach can have very good results. This means that the original installation is divided into smaller components which are simulated independently ...

    • Pill Model for Grid Voltage Reference Reconstruction 

      Epure, Silviu; Belea, Radu ("Dunarea de Jos" University of Galati, 2012)
      In power electronics area, the PLL (Phase Lock Loop) circuit is needed to reconstruct the sinusoidal reference signal used on the APF (active power filters) or grid-tied inverters, starting from the distorted grid voltage. ...

    • Modeling and Control of Assembly/Disassembly Mechatronic Line Served by Robotic Manipulator Mounted on Mobile Platform 

      Filipescu, Adrian; Mincă, Eugenia; Filipescu, Adriana; Petrea, George ("Dunarea de Jos" University of Galati, 2012)
      The new idea of this paper is to make reversible an assembly mechatronic line, i.e. to allow complete disassembly, by using a mobile platform equipped with robotic manipulator. The approach is a hybrid one, in which the ...

    • 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 ...

    • A Fuzzy Approach of the Optimal Analysis Based of Failure States in Manufacturing Systems 

      Minca, Eugenia ("Dunarea de Jos" University of Galati, 2012)
      This article proposes an algorithm for prognosis in optimal analysis of manufacturing systems. Uncertain knowledge of such task requires for specific reasoning and adaptive model base of fuzzy logic analyzes. The proposed ...

    • New Design Approaches in Ambient Assisted Living 

      Şuşnea, Ioan ("Dunarea de Jos" University of Galati, 2012)
      After reviewing some of the vast literature related to Ambient Assisted Living (AAL), we noticed that many of the recent solutions in AAL follow the design paradigm defined by the feeding machine presented in the famous ...

    • Experiments in Distributed Control of Autonomous Mobile Robots 

      Vasiliu, Grigore; Suşnea, Ioan ("Dunarea de Jos" University of Galati, 2012)
      Distributed control is known to produce simple and cost effective solutions for many control applications. This is particularily interesting for controlling autonomous mobile robots, where the designer faces severe constraints ...

    • Applications of the Emergence in Cognitive Mas 

      Suşnea, Ioan ("Dunarea de Jos" University of Galati, 2012)
      The emergence and self-organization have been extensively studied in Multi-Agent Systems comprising simple, ant-like agents. When it comes to human multi-agent systems, the inter-agent, and agent-environment interactions ...

    • Hankel-Norm Approximation Method Applied for High Order Model Reduction to Robust Contriller Synthesis 

      Copot, Cosmin; Ionescu, Clara M.; De Keyser, Robain; Dugan, Viorel ("Dunarea de Jos" University of Galati, 2012)
      In this paper, is presented an application of the Hankel–norm approximation method for model order reduction, to obtain a lower order model with the same performance. In order to show the effectiveness of the Hankel-methodologie ...

    • Electrical Engineering Guide 

      Marinescu, Cristina-Mihaela ("Dunarea de Jos" University of Galati, 2014)
      This paper describes the steps required to form a future electrical engineer. This guide informs what skills a future electrical engineer and what studies need to follow to meet the needs of an employer. This paper explains ...

    • Study on Intrusion Detection Systems Using Genetic Algorithm 

      Rafsanjani, Marjan Kuchaki ("Dunarea de Jos" University og Galati, 2014)
      With the extension in computer networks and appearing new attacks, seems that security is more necessary than before. Intrusion Detection System (IDS) is one of the most important methods to develop security in computer ...

    • Determining the Optimal Period for Renewal Within Evolutionary Strategies 

      Mărăşescu, Nicolae ("Dunarea de Jos" of Galati, 2014)
      This paper deals with the determination of the optimal period for renewal of the equipment described by a reliability model with constant parameters. For this purpose use is made of an evolutionary strategy based on a ...

    • New Approach of Feature Extraction Method Based on the Raw form and his Skeleton for Gujarati Handwritten Digits Using Neural Networks Classifier 

      Moro, Kamal; Fakir, Mohammed; Bouikhalene, Belaid; El Yachi, Rachid; El Kessab, Bader Dinne ("Dunarea de Jos" University of Galati, 2014)
      This paper presents an optical character recognition (OCR) system for Gujarati handwritten digits. One may find so much of work for latin writing, arabic, chines, etc. but Gujarati is a language for which hardly any work ...

    • IT&C Solutions for Intelligent Transportation Systems 

      Vasiliu, Grigore ("Dunarea de Jos" University of Galati, 2013)
      Road traffic congestion has incredibly high social costs, due to unnecessary fuel consumption, environment pollution, wasted time, and increased risk of accidents. As the road infrastructure obviously grows slower than the ...

    • Model Predictive Speed Control for Three Phase Induction Motor 

      Codreş, Bogdan; Găiceanu, Marian; Şolea, Răzvan; Eni, Cristinel ("Dunarea de Jos" University of Galati, 2013)
      In this paper an alternative method to the classical control of the induction motor drive system is proposed. More exactly, a model predictive control (MPC) for the rotor speed of the induction motor is presented. The ...

    • Static Analysis of Statcom for Enhancement of Voltage on Transmission Line 

      Sunder, G; Ramareddy, S ("Dunarea de Jos" University of Galati, 2013)
      The recent development of Power- Electronics controller introduces the use of various FACTS devices in power systems networks. FACTS devices can control the power system network condition in expediting manner and this ...

    • A Survey on Image Processing Techniques in the Context of Content Based Image Retrieval 

      Ilie, Mihai Bogdan ("Dunarea de Jos" University of Galati, 2013)
      This paper presents an overview of the current image processing techniques used to solve various problems, especially in the field of image indexing/retrieval. We aim to provide a solid, comprehensive reference source for ...