Căutare după Autor "Nicolau, Viorel"

Afișează articolele 1-6 of 6

    • The Influence of the Ship's Steering Machine Over Yan and Roll Motions 

      Nicolau, Viorel ("Dunarea de Jos" University of Galati, 2003)
      The steering machine is a nonlinear system, with two important limitations: the maximum rudder angle and rudder rate. Therefore, the commands from yaw and rudder-roll control systems are modified and the expected effect ...

    • Mathematical Modeling and Simulation Photovoltaic Converter Operation When Varying Parameters 

      Constantin, Miholcă; Munteanu, Cristian; Nicolau, Viorel ("Dunarea de Jos" University of Galati, 2008)
      The paper presents a method of mathematical modelling of a solar converter using the results of full-scale testing. The advantages of analytical modelling method applied to photovoltaic systems are also presented; this ...

    • Multivariable Intelligent Control for M.A.G. Welding Process 

      Miholcă, Constantin; Nicolau, Viorel; Munteanu, Cristian; Mihăilescu, Dănuţ ("Dunarea de Jos" University of Galati, 2008)
      A neural control technique, applied to the MAG (Metal-Active Gas) welding process, is presented in the paper. The static nonlinear model of welding process is based on experimental determinations. The geometric parameters ...

    • 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 ...

    • 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 ...

    • Spectral Density Correction of a Signal at Frequency Variable Transformation 

      Nicolau, Viorel; Popa, Rustem; Miholca, Constantin ("Dunarea de Jos" University of Galati, 2006)
      The goal of this paper is to determine analytical expression for the spectral density function of a signal, affected by a known frequency transformation, which do not modify the process energy. Such transformations of ...