Now showing items 1-20 of 4134

    • Studiu teoretic şi experimental asupra deplasării navelor cu pernă de aer 

      Ioniţă, Ion (Universitatea "Dunărea de Jos" din Galaţi, 1977)
      La deplasarea unei nave în apă şi aer, întregul ei corp este supus unor reacţiuni hidro- şi aero-dinamice. Aceste reacţiuni, care sunt forţe de suprafaţă, se compun din forţe de presiune, normale la suprafaţa corpului şi ...
    • Properties Of Potential Function- Based Clustering Algorithms 

      Nicolau, Viorel; Puşcaşu, Gheorghe; Popa, Rustem ("Dunarea de Jos" University of Galati, 2000)
      The clustering algorithms based on potential functions are capable of clustering a set of data, making no implicit assumptions on the cluster shapes and without knowing in advance the number of clusters. They are ...
    • The Application of Euler – Lagrange Method of Optimization for Electromechanical Motion Control 

      Bivol, Ion; Vasilache, Cristian ("Dunarea de Jos" University of Galati, 2000)
      Industrial and non-industrial processes such as production plans, robots, pumps, compressors, home applications, transportation of people and goods etc., require some kinds of motion control. The main functions of ...
    • A Comparative Study Above Two Self-Tuning Controllers With Aplication To The Control Of Synchronous Generator Excitation System 

      Filip, Ioan; Curiac, Daniel; Proştean, Octavian; Szeidert, Iosif ("Dunarea de Jos" University of Galati, 2000)
      This paper presents two self-tuning control structures synthesized through the minimization of two criterion functions. It is described the computation methodology of the control laws, both being particularized for the ...
    • Gis Components: an Overview of the Software Format Approaches 

      Neagu, Daniela; Neagu, Ciprian-Daniel ("Dunarea de Jos" University of Galati, 2000)
      The paper proposes a softwarel multimedia point of view of the resources and fi1e formats used in GIS applications. An overview of the most known software approaches for GIS data management and components is proposed in ...
    • Finding Exception for Association Rules Via SQL Queries 

      Dumitru, Luminiţa ("Dunarea de Jos" University Galati, 2000)
      Finding association rules is mainly based on generating larger and larger frequent set candidates, starting from frequent attributes in the database. The frequent sets can be organised as a part of a lattice of concepts ...
    • On Phenomena Based Metamodelling - A Process System Engineering Point Of View 

      Aiordăchioaie, Dorel; Aoyama, Atsushi; Chatterjee, Ranajit; Naka, Yuji ("Dunarea de Jos" University of Galati, 2000)
      This work is looking to methodological aspects of process modelling. The point of view is more from Process System Engineering (PSE) in order to develop formal and generic techniques for process modelling, and to use ...
    • Modular neuro-fuzzy networks: sollutions for explicit and implicit knowledge integration 

      Neagu, Ciprian-Daniel ("Dunarea de Jos" University of Galati, 2000)
      In this paper we propose a unified approach for integrating implicit and explicit knowledge in neurosymbolic systems as a combination of neural and neurofuzzy modules. In the developed hybrid system, training data set ...
    • Some results on the modelling of TSS manufactiring lines 

      Mînzu, Viorel; Bratcu, Antoneta ("Dunarea de Jos" University of Galati, 2000)
      This paper deals with the modelling of a particular class of manufacturing lines, governed by a decentralised control strategy so that they balance themselves. Such lines are known as “bucket brigades” and also as “TSS ...
    • On Process Modelling Using Physical Oriented and Phenomena Based Principles 

      Aiordăchioaie, Dorel; Popa, Rusten; Culea, Mihai ("Dunarea de Jos" University of Galati, 2000)
      This work presents a modelling framework based on phenomena description of the process. The approach is taken to easy understand and construct process model in heterogeneous possible distributed modelling and simulation ...
    • 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 ...
    • A Hybrid Aproach to Dynamic Course Generation on the WWW 

      Ştefănescu, Diana; Pecheanu, Emilia; Dumitru, Luminiţa ("Dunarea de Jos" University of Galati, 2000)
      In recent years, hypermedia has been grown in interest in advanced research on teaching and learning. Futhermore, the extension of hypermedia toward intelligent hypermedia comes more than obviously to meet specific ...
    • Arhitectura of a computer based instructional system 

      Pecheanu, Emilia; Ştefănescu, Diana; Dumitru, Luminiţa; Istrate, Adrian ("Dunarea de Jos" University of Galati, 2000)
      The paper describes the architecture of a tutorial system that can be used at various engineering graduate and postgraduate courses. The tutorial is using Internetstyle WWW services to provide access to the teaching ...
    • On the harmonics reduction using wavelet based signal processing 

      Culea, Mihai; Aiordăchioaie, Dorel; Găiceanu, Marian ("Dunarea de Jos" University of Galati, 2000)
      This paper presents a method for calculating the reference currents needed for the command of an active filter. By using the Discrete Wavelet Transform (DWT) the high-frequency components of the currents are eliminated. ...
    • The Textual Idea and its Relationship to discourse structure 

      Bocănială, Cosmin Dănuţ ("Dunarea de Jos" University of Galati, 2000)
      The textual idea could be characterized through a series of either detailing the current form of idea or continuing a previous form of it. Every element of the series has associated a span of the given text that carries ...
    • Tempo-aspectualitate contrastivă 

      Popescu, Floriana (2000)
      Lucrarea “Valențe ale timpurilor verbale în discurs” (în engleză și română) a fost elaborată avându-se în vedere, pe de o parte, un scop teoretic, iar pe de alta, unul practic. Obiectivul teoretic este acela de a oferi o ...
    • Analysis of a Neuro-Fuzzy Approach of Air Pollution: Building a Case Study 

      Neagu, Ciprian-Daniel; Neagu, Daniela; Georgescu, Lucian; Palade, Vasile ('Dunarea de Jos" University of Galati, 2001)
      This work illustrates the necessity of an Artificial Intelligence (AI)-based approach of air quality in urban and industrial areas. Some related results of Artificial Neural Networks (ANNs) and Fuzzy Logic (FL) for ...
    • Comments on Clock Models in Hybrid Automata and Hybrid Control Systems 

      Oltean, Virginia Ecaterina; Cârstoiu, Dorian ("Dunarea de Jos" University of Galati, 2001)
      Hybrid systems have received a lot of attention in the past decade and a number of different models have been proposed in order to establish mathematical framework that is able to handle both continuous and discrete ...
    • Stability criteria for cellular neural networks 

      Danciu, Daniela; Răsvan, Vladimir ("Dunarea de Jos" University of Galati, 2001)
      A cellular neural network is an artificial neural network which features a multidimensional array of neurons and local interconnections among the cells. Neural networks are systems with several equilibrium states. It is ...
    • Integrating Hypermedia Objects in an Tutoring System 

      Pecheanu, Emilia; Ştefănescu, Diana; Sabin Corneliu, Buraga; Istrate, Adrian ("Dunarea de Jos" University of Galati, 2001)
      The paper describes the internal architecture of an Intelligent Tutoring System, CSTutor. The architectural design of the tutorial system was developed in a collaborative work at the Department of Computer Science of the ...